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GMC Sierra 2500 Turning Radius (2021-2026)

Researched By The AutoPadre Research Team

Last Updated 2026-09-02

The GMC Sierra 2500 curb-to-curb turning radius is between 23.4 and 28.5 feet as specified in our data below, organized by trim, option package, and model year.

For example the 2023 GMC Sierra 2500 with the HD Pro Reg Cab 142" trim package curb-to-curb turning radius is 23.4 feet.

Check out the Turning Radius specifications for other makes and models.

2026 GMC Sierra 2500 Turning Radius

Depending on trim, the 2026 GMC Sierra 2500 curb-to-curb turning radius is between 23.45 and 28.5 feet.

2026 GMC Sierra 2500 Turning Radius (Imperial)
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Crew Cab 159" AT4 Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	26.35 ft	52.7 ft
HD Crew Cab 159" AT4X Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	25.9 ft	51.8 ft
HD Crew Cab 159" Denali Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	26.35 ft	52.7 ft
HD Crew Cab 159" Denali Ultimate Truck	6.6L \| Turbo \| 8 Cyl. \| Duramax \| 10 Spd Auto \| 4WD	26.35 ft	52.7 ft
HD Crew Cab 159" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	26.35 ft	52.7 ft
HD Crew Cab 159" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	26.35 ft	52.7 ft

2026 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Crew Cab 159" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	26.35 ft	52.7 ft
HD Crew Cab 159" SLT Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	26.35 ft	52.7 ft
HD Crew Cab 172" AT4 Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	28.5 ft	57.0 ft
HD Crew Cab 172" Denali Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	28.5 ft	57.0 ft
HD Crew Cab 172" Denali Ultimate Truck	6.6L \| Turbo \| 8 Cyl. \| Duramax \| 10 Spd Auto \| 4WD	28.5 ft	57.0 ft
HD Crew Cab 172" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	28.5 ft	57.0 ft

2026 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Crew Cab 172" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	28.5 ft	57.0 ft
HD Crew Cab 172" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	28.5 ft	57.0 ft
HD Crew Cab 172" SLT Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	28.5 ft	57.0 ft
HD Double Cab 149" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	24.75 ft	49.5 ft
HD Double Cab 149" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	24.75 ft	49.5 ft
HD Double Cab 149" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	24.75 ft	49.5 ft

2026 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Double Cab 162" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	26.95 ft	53.9 ft
HD Double Cab 162" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	26.95 ft	53.9 ft
HD Double Cab 162" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	26.95 ft	53.9 ft
HD Reg Cab 142" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	23.45 ft	46.9 ft
HD Reg Cab 142" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	23.45 ft	46.9 ft
HD Reg Cab 142" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	23.45 ft	46.9 ft

2026 GMC Sierra 2500 Turning Radius (Metric)
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Crew Cab 159" AT4 Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.03 m	16.1 m
HD Crew Cab 159" AT4X Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	7.89 m	15.8 m
HD Crew Cab 159" Denali Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.03 m	16.1 m
HD Crew Cab 159" Denali Ultimate Truck	6.6L \| Turbo \| 8 Cyl. \| Duramax \| 10 Spd Auto \| 4WD	8.03 m	16.1 m
HD Crew Cab 159" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	8.03 m	16.1 m
HD Crew Cab 159" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.03 m	16.1 m

2026 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Crew Cab 159" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.03 m	16.1 m
HD Crew Cab 159" SLT Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.03 m	16.1 m
HD Crew Cab 172" AT4 Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.69 m	17.4 m
HD Crew Cab 172" Denali Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.69 m	17.4 m
HD Crew Cab 172" Denali Ultimate Truck	6.6L \| Turbo \| 8 Cyl. \| Duramax \| 10 Spd Auto \| 4WD	8.69 m	17.4 m
HD Crew Cab 172" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	8.69 m	17.4 m

2026 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Crew Cab 172" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.69 m	17.4 m
HD Crew Cab 172" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.69 m	17.4 m
HD Crew Cab 172" SLT Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.69 m	17.4 m
HD Double Cab 149" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	7.54 m	15.1 m
HD Double Cab 149" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	7.54 m	15.1 m
HD Double Cab 149" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	7.54 m	15.1 m

2026 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Double Cab 162" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	8.21 m	16.4 m
HD Double Cab 162" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.21 m	16.4 m
HD Double Cab 162" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	8.21 m	16.4 m
HD Reg Cab 142" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| RWD	7.15 m	14.3 m
HD Reg Cab 142" Pro Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	7.15 m	14.3 m
HD Reg Cab 142" SLE Truck	6.6L \| 8 Cyl. \| 10 Spd Auto \| 4WD	7.15 m	14.3 m

2023 GMC Sierra 2500 Turning Radius

Depending on trim, the 2023 GMC Sierra 2500 curb-to-curb turning radius is between 23.4 and 28.5 feet.

2023 GMC Sierra 2500 Turning Radius (Imperial)
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Pro Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.4 ft	52.7 ft
HD Pro Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	28.5 ft	57.0 ft
HD Pro Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	24.8 ft	49.5 ft
HD Pro Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.9 ft	53.9 ft
HD Pro Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	23.4 ft	46.9 ft
HD Pro Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft

2023 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Pro Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft
HD Pro Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	24.8 ft	49.5 ft
HD Pro Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.9 ft	53.9 ft
HD Pro Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	23.4 ft	46.9 ft
HD SLE Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.4 ft	52.7 ft
HD SLE Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	28.5 ft	57.0 ft

2023 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD SLE Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	24.8 ft	49.5 ft
HD SLE Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.9 ft	53.9 ft
HD SLE Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	23.4 ft	46.9 ft
HD SLE Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD SLE Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft
HD SLE Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	24.8 ft	49.5 ft

2023 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD SLE Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.9 ft	53.9 ft
HD SLE Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	23.4 ft	46.9 ft
HD SLT Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.4 ft	52.7 ft
HD SLT Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	28.5 ft	57.0 ft
HD SLT Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	24.8 ft	49.5 ft
HD SLT Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.9 ft	53.9 ft

2023 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD SLT Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD SLT Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft
HD SLT Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	24.8 ft	49.5 ft
HD SLT Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.9 ft	53.9 ft
HD AT4 Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD AT4 Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft

2023 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Denali Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD Denali Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft

2023 GMC Sierra 2500 Turning Radius (Metric)
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Pro Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.0 m	16.1 m
HD Pro Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.7 m	17.4 m
HD Pro Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.6 m	15.1 m
HD Pro Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.2 m	16.4 m
HD Pro Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.1 m	14.3 m
HD Pro Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m

2023 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Pro Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m
HD Pro Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.6 m	15.1 m
HD Pro Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.2 m	16.4 m
HD Pro Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.1 m	14.3 m
HD SLE Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.0 m	16.1 m
HD SLE Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.7 m	17.4 m

2023 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD SLE Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.6 m	15.1 m
HD SLE Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.2 m	16.4 m
HD SLE Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.1 m	14.3 m
HD SLE Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD SLE Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m
HD SLE Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.6 m	15.1 m

2023 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD SLE Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.2 m	16.4 m
HD SLE Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.1 m	14.3 m
HD SLT Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.0 m	16.1 m
HD SLT Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.7 m	17.4 m
HD SLT Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.6 m	15.1 m
HD SLT Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.2 m	16.4 m

2023 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD SLT Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD SLT Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m
HD SLT Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.6 m	15.1 m
HD SLT Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.2 m	16.4 m
HD AT4 Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD AT4 Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m

2023 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Denali Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD Denali Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m

2022 GMC Sierra 2500 Turning Radius

Depending on trim, the 2022 GMC Sierra 2500 curb-to-curb turning radius is between 23.4 and 28.5 feet.

2022 GMC Sierra 2500 Turning Radius (Imperial)
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Pro Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.4 ft	52.7 ft
HD Pro Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	28.5 ft	57.0 ft
HD Pro Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	24.8 ft	49.5 ft
HD Pro Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.9 ft	53.9 ft
HD Pro Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	23.4 ft	46.9 ft
HD Pro Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft

2022 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Pro Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft
HD Pro Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	24.8 ft	49.5 ft
HD Pro Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.9 ft	53.9 ft
HD Pro Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	23.4 ft	46.9 ft
HD SLE Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.4 ft	52.7 ft
HD SLE Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	28.5 ft	57.0 ft

2022 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD SLE Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	24.8 ft	49.5 ft
HD SLE Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.9 ft	53.9 ft
HD SLE Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	23.4 ft	46.9 ft
HD SLE Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD SLE Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft
HD SLE Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	24.8 ft	49.5 ft

2022 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD SLE Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.9 ft	53.9 ft
HD SLE Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	23.4 ft	46.9 ft
HD SLT Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.4 ft	52.7 ft
HD SLT Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	28.5 ft	57.0 ft
HD SLT Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	24.8 ft	49.5 ft
HD SLT Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.9 ft	53.9 ft

2022 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD SLT Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD SLT Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft
HD SLT Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.9 ft	53.9 ft
HD AT4 Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD AT4 Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft
HD Denali Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft

2022 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Denali Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft

2022 GMC Sierra 2500 Turning Radius (Metric)
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Pro Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.0 m	16.1 m
HD Pro Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.7 m	17.4 m
HD Pro Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.6 m	15.1 m
HD Pro Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.2 m	16.4 m
HD Pro Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.1 m	14.3 m
HD Pro Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m

2022 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Pro Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m
HD Pro Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.6 m	15.1 m
HD Pro Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.2 m	16.4 m
HD Pro Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.1 m	14.3 m
HD SLE Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.0 m	16.1 m
HD SLE Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.7 m	17.4 m

2022 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD SLE Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.6 m	15.1 m
HD SLE Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.2 m	16.4 m
HD SLE Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.1 m	14.3 m
HD SLE Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD SLE Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m
HD SLE Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.6 m	15.1 m

2022 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD SLE Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.2 m	16.4 m
HD SLE Reg Cab 142" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.1 m	14.3 m
HD SLT Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.0 m	16.1 m
HD SLT Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.7 m	17.4 m
HD SLT Double Cab 149" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.6 m	15.1 m
HD SLT Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.2 m	16.4 m

2022 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD SLT Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD SLT Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m
HD SLT Double Cab 162" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.2 m	16.4 m
HD AT4 Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD AT4 Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m
HD Denali Crew Cab 159" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m

2022 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Denali Crew Cab 172" Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m

2021 GMC Sierra 2500 Turning Radius

Depending on trim, the 2021 GMC Sierra 2500 curb-to-curb turning radius is between 23.4 and 28.5 feet.

2021 GMC Sierra 2500 Turning Radius (Imperial)
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Crew Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	28.5 ft	57.0 ft
HD Crew Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	28.5 ft	57.0 ft
HD Crew Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD Crew Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	26.4 ft	52.7 ft
HD Crew Cab AT4 Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD Crew Cab AT4 Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	26.4 ft	52.7 ft

2021 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Crew Cab Denali Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	28.5 ft	57.0 ft
HD Crew Cab Denali Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	28.5 ft	57.0 ft
HD Crew Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.4 ft	52.7 ft
HD Crew Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	26.4 ft	52.7 ft
HD Crew Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD Crew Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	26.4 ft	52.7 ft

2021 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Crew Cab SLT Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	26.4 ft	52.7 ft
HD Crew Cab SLT Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	26.4 ft	52.7 ft
HD Crew Cab SLT Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	26.4 ft	52.7 ft
HD Crew Cab SLT Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	26.4 ft	52.7 ft
HD Extended Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	24.8 ft	49.5 ft
HD Extended Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	24.8 ft	49.5 ft

2021 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Extended Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	24.8 ft	49.5 ft
HD Extended Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	24.8 ft	49.5 ft
HD Extended Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	24.8 ft	49.5 ft
HD Extended Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	24.8 ft	49.5 ft
HD Extended Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	24.8 ft	49.5 ft
HD Extended Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	24.8 ft	49.5 ft

2021 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Extended Cab SLT Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	24.8 ft	49.5 ft
HD Extended Cab SLT Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	24.8 ft	49.5 ft
HD Extended Cab SLT Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	24.8 ft	49.5 ft
HD Extended Cab SLT Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	24.8 ft	49.5 ft
HD Regular Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	23.4 ft	46.9 ft
HD Regular Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	23.4 ft	46.9 ft

2021 GMC Sierra 2500 Turning Radius (Imperial) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Imp.)	Turning Diameter Curb-to-Curb (Imp.)
HD Regular Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	23.4 ft	46.9 ft
HD Regular Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	23.4 ft	46.9 ft
HD Regular Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	23.4 ft	46.9 ft
HD Regular Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	23.4 ft	46.9 ft
HD Regular Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	23.4 ft	46.9 ft
HD Regular Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	23.4 ft	46.9 ft

2021 GMC Sierra 2500 Turning Radius (Metric)
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Crew Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.7 m	17.4 m
HD Crew Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	8.7 m	17.4 m
HD Crew Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD Crew Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	8.0 m	16.1 m
HD Crew Cab AT4 Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD Crew Cab AT4 Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	8.0 m	16.1 m

2021 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Crew Cab Denali Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.7 m	17.4 m
HD Crew Cab Denali Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	8.7 m	17.4 m
HD Crew Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.0 m	16.1 m
HD Crew Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	8.0 m	16.1 m
HD Crew Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD Crew Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	8.0 m	16.1 m

2021 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Crew Cab SLT Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	8.0 m	16.1 m
HD Crew Cab SLT Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	8.0 m	16.1 m
HD Crew Cab SLT Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	8.0 m	16.1 m
HD Crew Cab SLT Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	8.0 m	16.1 m
HD Extended Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.6 m	15.1 m
HD Extended Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	7.6 m	15.1 m

2021 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Extended Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.6 m	15.1 m
HD Extended Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	7.6 m	15.1 m
HD Extended Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.6 m	15.1 m
HD Extended Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	7.6 m	15.1 m
HD Extended Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.6 m	15.1 m
HD Extended Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	7.6 m	15.1 m

2021 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Extended Cab SLT Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.6 m	15.1 m
HD Extended Cab SLT Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	7.6 m	15.1 m
HD Extended Cab SLT Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.6 m	15.1 m
HD Extended Cab SLT Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	7.6 m	15.1 m
HD Regular Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.1 m	14.3 m
HD Regular Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	7.1 m	14.3 m

2021 GMC Sierra 2500 Turning Radius (Metric) Continued
Trim	Engine \| Transmission \| Drivetrain	Turning Radius Curb-to-Curb (Metric)	Turning Diameter Curb-to-Curb (Metric)
HD Regular Cab Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.1 m	14.3 m
HD Regular Cab Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	7.1 m	14.3 m
HD Regular Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| RWD	7.1 m	14.3 m
HD Regular Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| RWD	7.1 m	14.3 m
HD Regular Cab SLE Diesel	6.6L \| V8 \| 6 Spd Auto, Heavy-Duty \| 4WD	7.1 m	14.3 m
HD Regular Cab SLE Diesel	6.6L \| Turbo \| V8 \| DURAMAX B20-DIESEL COMPATIBLE \| Allison 10 Spd Auto \| 4WD	7.1 m	14.3 m