2025 GMC Sierra 2500 HD Double Cab 149" SLE Payload Specs
Payload Specs
| Payload | 3,594 lbs |
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| GVWR | 10,350 lbs |
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| Curb Weight | 6,756 lbs |
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All Available Specs
Basics
| Year | 2025 |
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| Make | GMC |
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| Model | Sierra 2500 |
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| Trim | HD Double Cab 149" SLE |
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| Vehicle Type | Diesel |
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Seating & Access
Powertrain
| Engine Configuration | 8 |
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| Engine Size (L) | 6.6 L |
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| Engine Size (cu in) | 402.8 cu in |
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| Transmission | Allison 10-Speed Automatic |
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| Drivetrain | Four Wheel Drive |
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Power & Performance
| Horsepower | 401 HP |
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| Horsepower RPM | 5,200 rpm |
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| Torque | 464 ft-lbs |
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| Torque RPM | 4,000 rpm |
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| HP/Liter | 60.8 HP/L |
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| HP/Cubic Inch | 1.0 HP/cu in |
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Fuel Tank & Range
| Gas Tank Size (gal) | 36.0 gal |
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| Gas Tank Size (L) | 136.3 L |
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Tires
| Front Tire Size | LT245/75R17E |
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| Front Tire Width | 245 |
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| Front Tire Aspect Ratio | 75 |
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| Front Rim Size | 17 |
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| Front Tire Load Capacity | E |
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| Rear Tire Size | LT245/75R17E |
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| Rear Tire Width | 245 |
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| Rear Tire Aspect Ratio | 75 |
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| Rear Rim Size | 17 |
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| Rear Tire Load Capacity | E |
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Wheels
| Front Wheel Material | Aluminum |
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| Rear Wheel Material | Aluminum |
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Weight & Capacity
| Payload (lbs) | 3,594 lbs |
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| Curb Weight (lbs) | 6,756 lbs |
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| Weight to HP Ratio | 16.8 lbs/HP |
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| GVWR (lbs) | 10,350 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) | 35.2 in. |
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| Second Row Legroom (cm) | 90 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) | 39.9 in. |
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| Second Row Headroom (cm) | 101 cm |
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Turning Measurements
| Turning Diameter C2C (ft) | 49.5 ft |
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| Turning Diameter C2C (m) | 15.1 m |
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Height & Length
| Height (in) | 79 in. |
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| Height (cm) | 203 cm |
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| Height (ft) | 6.7 ft |
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| Height (m) | 2.0 m |
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| Length (in) | 241 in. |
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| Length (cm) | 612 cm |
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| Length (ft) | 20.1 ft |
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| Length (m) | 6.1 m |
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Width & Track
| Width w/o Mirrors (in) | 81 in. |
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| Width w/o Mirrors (cm) | 207 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) | 149 in. |
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| Wheelbase (cm) | 378 cm |
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| Wheelbase (ft) | 12.4 ft |
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| Wheelbase (m) | 3.8 m |
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