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2020 GMC Sierra 1500 5.3L V-8 DFM 2WD

The 2020 GMC Sierra 1500 5.3L V-8 DFM 2WD is a 355-hp 5.3-liter with a gm 8l90 eight-speed automatic. It is rated at 19 mpg combined.

Spec Value
Engine
Engine Type5.3L V-8 VVT DI with Dynamic Fuel Management and Stop/Start
Displacement5.3 L
Horsepower355 hp
Torque383 lb-ft
ValvetrainOverhead valve (OHV), two valves per cylinder, variable valve timing
Bore and Stroke96.0 × 92.0
Injection TypeDirect high-pressure fuel injection with Dynamic Fuel Management
Drivetrain
Drive Type2WD
Transmission
TransmissionGM 8L90 eight-speed automatic
1st Gear4.56
2nd Gear2.97
3rd Gear2.08
4th Gear1.69
5th Gear1.27
6th Gear1
7th Gear0.85
8th Gear0.65
Reverse3.82
Final Drive3.23
Fuel Economy
City17 MPG
Highway23 MPG
Combined19 MPG
Recommended FuelRegular unleaded gasoline
Suspension
Front SuspensionIndependent coil-over-shock with twin-tube shock absorbers; Rancho shocks with X31 package
Rear SuspensionSolid axle with semi-elliptic, variable-rate, two-stage multileaf springs; splayed twin-tube shock absorbers; Rancho shocks with X31 package
Brakes
Front Brake DiscFour-wheel disc with electro-hydraulic power assist and ABS; vented Duralife rotor; 13.5 in (345 mm)
Rear Brake DiscFour-wheel disc with electro-hydraulic power assist and ABS; vented Duralife rotor; 14.1 in (360 mm)
Tires & Wheels
Wheels Front17-in × 8-in aluminum
Wheels Rear17-in × 8-in aluminum
Tires FrontP265/70R17 all-season
Tires RearP265/70R17 all-season
Dimensions & Weight
Length231.7 in
Width81.2 in
Height75.5 in
Wheelbase147.4 in
Curb Weight4,720 lbs
Interior
Headroom Front43 in
Headroom Rear40.1 in
Legroom Front44.5 in
Legroom Rear43.4 in
Shoulder Room Front66 in
Shoulder Room Rear65.2 in
Hip Room Front61.2 in
Hip Room Rear60.2 in
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