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2024 GMC Sierra 1500 AT4X (6.2L V-8)

The 2024 GMC Sierra 1500 AT4X (6.2L V-8) is a 420-hp 6.2-liter with a 10l80 10-speed automatic and four-wheel drive.

Spec Value
Engine
Engine Type6.2L V-8 VVT DI with Dynamic Fuel Management; cast aluminum block and head
Displacement6.2 L
Horsepower420 hp
Torque460 lb-ft
ValvetrainOverhead valve, 2 valves per cylinder, variable valve timing
Bore and Stroke103.25 x 92
Injection TypeDirect high-pressure fuel injection with Dynamic Fuel Management
Drivetrain
Drive Type4WD (Two-speed Autotrac electronic transfer case)
Transmission
Transmission10L80 10-Speed Automatic
1st Gear4.7
2nd Gear2.99
3rd Gear2.15
4th Gear1.77
5th Gear1.52
6th Gear1.28
7th Gear1
8th Gear0.85
9th Gear0.69
10th Gear0.64
Reverse4.87
Final Drive3.42
Fuel Economy
Recommended FuelRegular Unleaded
Suspension
Front SuspensionIndependent coil-over-shock; 2-in factory-installed lift; Multimatic DSSV dampers
Rear SuspensionSolid axle; semi-elliptic variable-rate two-stage multileaf springs; 2-in lift; Multimatic DSSV dampers
Brakes
Front Brake Disc13.0 x 1.18 in / 330 x 30 mm ventilated disc (DURALIFE)
Rear Brake Disc13.6 x 0.79 in / 345 x 20 mm ventilated disc (DURALIFE)
Tires & Wheels
Wheels Front18 x 8.5 in aluminum (painted, dark pockets)
Wheels Rear18 x 8.5 in aluminum (painted, dark pockets)
Tires FrontLT275/70R18 Goodyear Wrangler Territory MT
Tires RearLT275/70R18 Goodyear Wrangler Territory MT
Dimensions & Weight
Length242.5 in
Width81.2 in
Height78.3 in
Wheelbase147.5 in
Front Track69.3 in
Rear Track70 in
Ground Clearance11.1 in
Curb Weight5,720 lbs
Interior
Headroom Front43 in
Headroom Rear40.1 in
Legroom Front44.5 in
Legroom Rear43.4 in
Shoulder Room Front66 in
Shoulder Room Rear65.1 in
Hip Room Front61.2 in
Hip Room Rear60.2 in
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