2025 GMC Sierra 1500 Crew Cab 147" AT4X Vehicle Dimensions Specs
Vehicle Dimensions Specs
| Overall Height (ft) | 6.6 ft |
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| Overall Height (m) | 2.0 m |
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| Overall Length (ft) | 19.5 ft |
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| Overall Length (m) | 5.9 m |
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| Width w/o Mirrors (ft) | 6.8 ft |
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| Width w/o Mirrors (m) | 2.1 m |
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| Wheelbase (ft) | 12.3 ft |
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| Wheelbase (m) | 3.7 m |
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All Available Specs
Basics
| Year | 2025 |
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| Make | GMC |
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| Model | Sierra 1500 |
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| Trim | Crew Cab 147" AT4X |
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| Vehicle Type | Truck |
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Seating & Access
Powertrain
| Engine | Duramax |
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| Engine Configuration | 6 |
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| Engine Size (L) | 3.0 L |
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| Engine Size (cu in) | 183.1 cu in |
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| Fuel Type | Diesel |
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| Engine Induction | Turbo |
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| Transmission | 10-Speed Automatic With Electronic Precision Shift, Electronically Controlled |
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| Drivetrain | Four Wheel Drive |
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Power & Performance
| Horsepower | 305 HP |
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| Horsepower RPM | 3,750 rpm |
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| Torque | 495 ft-lbs |
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| Torque RPM | 2,750 rpm |
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| HP/Liter | 101.7 HP/L |
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| HP/Cubic Inch | 1.7 HP/cu in |
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Fuel Efficiency
| City MPG | 19 mpg |
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| City L/100km | 12.4 L/100km |
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| Highway MPG | 20 mpg |
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| Highway L/100km | 11.8 L/100km |
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| Combined MPG | 20 mpg |
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| Combined L/100km | 11.8 L/100km |
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Fuel Tank & Range
| Gas Tank Size (gal) | 24.0 gal |
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| Gas Tank Size (L) | 90.8 L |
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| City Range (miles) | 456 miles |
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| City Range (km) | 734 km |
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| Highway Range (miles) | 480 miles |
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| Highway Range (km) | 772 km |
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| Combined Range (miles) | 480 miles |
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| Combined Range (km) | 772 km |
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Tires
| Front Tire Size | LT275/70R18 |
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| Front Tire Width | 275 |
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| Front Tire Aspect Ratio | 70 |
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| Front Rim Size | 18 |
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| Front Tire Load Capacity | LT |
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| Rear Tire Size | LT275/70R18 |
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| Rear Tire Width | 275 |
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| Rear Tire Aspect Ratio | 70 |
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| Rear Rim Size | 18 |
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| Rear Tire Load Capacity | LT |
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Wheels
| Front Wheel Size | 18 x 8.5 |
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| Rear Wheel Size | 18 x 8.5 |
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| Front Wheel Material | Aluminum |
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| Rear Wheel Material | Aluminum |
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Weight & Capacity
| Payload (lbs) | 2,472 lbs |
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| Curb Weight (lbs) | 4,828 lbs |
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| Weight to HP Ratio | 15.8 lbs/HP |
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| GVWR (lbs) | 7,300 lbs |
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Legroom
| First Row Legroom (in) | 44.5 in. |
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| First Row Legroom (cm) | 113 cm |
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| Second Row Legroom (in) | 43.4 in. |
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| Second Row Legroom (cm) | 110 cm |
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Headroom
| First Row Headroom (in) | 43.0 in. |
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| First Row Headroom (cm) | 109 cm |
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| Second Row Headroom (in) | 40.1 in. |
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| Second Row Headroom (cm) | 102 cm |
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Turning Measurements
| Turning Diameter C2C (ft) | 47.3 ft |
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| Turning Diameter C2C (m) | 14.4 m |
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Height & Length
| Height (in) | 78 in. |
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| Height (cm) | 199 cm |
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| Height (ft) | 6.6 ft |
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| Height (m) | 2.0 m |
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| Length (in) | 233 in. |
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| Length (cm) | 594 cm |
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| Length (ft) | 19.5 ft |
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| Length (m) | 5.9 m |
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Width & Track
| Width w/o Mirrors (in) | 81 in. |
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| Width w/o Mirrors (cm) | 206 cm |
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| Width w/o Mirrors (ft) | 6.8 ft |
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| Width w/o Mirrors (m) | 2.1 m |
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Wheelbase
| Wheelbase (in) | 147 in. |
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| Wheelbase (cm) | 374 cm |
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| Wheelbase (ft) | 12.3 ft |
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| Wheelbase (m) | 3.7 m |
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