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2024 Chevrolet Silverado 2500 HD 6.6L V-8 Gas

The 2024 Chevrolet Silverado 2500 HD 6.6L V-8 Gas is a 401-hp 6.6-liter with an allison 10l1000 10-speed automatic.

Spec Value
Engine
Engine Type6.6L V-8 OHV VVT DI, E85 FlexFuel capable
Displacement6.6 L
Horsepower401 hp @ 5,200 rpm
Torque464 lb-ft @ 4000 rpm
ValvetrainOHV, two valves per cylinder, variable valve timing
Bore and Stroke103.3 x 98.0
Compression Ratio10.8:1
Injection TypeDirect fuel injection
Transmission
TransmissionAllison 10L1000 10-speed automatic
1st Gear4.54
2nd Gear2.87
3rd Gear2.06
4th Gear1.72
5th Gear1.48
6th Gear1.26
7th Gear1
8th Gear0.85
9th Gear0.69
10th Gear0.63
Reverse4.54
Final Drive3.73
Suspension
Front SuspensionShort long-arm independent front suspension with torsion bars
Rear SuspensionSemi-elliptic three-stage multi-leaf springs
Brakes
Front Brake CalipersHydroboost hydraulic power-assisted with ABS and StabiliTrak
Front Brake Disc14.0 x 1.6 in (355 x 40 mm) vented
Rear Brake Disc14.1 x 1.3 in (360 x 34 mm) -- 2500/3500 SRW
Tires & Wheels
Wheels Front17-in. steel (std); 17/18/20-in. aluminum available
Wheels Rear17-in. steel (std); 17/18/20-in. aluminum available
Dimensions & Weight
Length249.95 in
Width81.85 in
Wheelbase158.94 in
Front Track68.1 in
Rear Track68.3 in
Ground Clearance10.12 in
Interior
Headroom Front43.03 in
Headroom Rear40.12 in
Legroom Front44.53 in
Legroom Rear43.4 in
Shoulder Room Front66.02 in
Shoulder Room Rear65.3 in
Hip Room Front61.18 in
Hip Room Rear60.24 in
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