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2024 Chevrolet Silverado 2500 HD Duramax 6.6L Diesel

The 2024 Chevrolet Silverado 2500 HD Duramax 6.6L Diesel is a 470-hp 6.6-liter turbocharged with an allison 10l1000 10-speed automatic.

Spec Value
Engine
Engine TypeDuramax 6.6L V-8 Turbo-Diesel
Displacement6.6 L
Horsepower470 hp @ 2,800 rpm
Torque975 lb-ft @ 1600 rpm
ValvetrainOHV, four valves per cylinder
Bore and Stroke103.0 x 99.0
Compression Ratio16.0:1
Injection TypeCommon-rail direct 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 Drive3.42
Fuel Economy
Recommended FuelUltra-low sulfur diesel (required)
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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