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2023 GMC Sierra 1500 SLE

The 2023 GMC Sierra 1500 SLE is a 310-hp 2.7-liter turbocharged with an 8l90 8-speed automatic and four-wheel drive.

Spec Value
Engine
Engine Type2.7L Turbo DOHC VVT DI with Active Fuel Management (standard); 5.3L V-8 and 3.0L Diesel optional
Displacement2.7 L
Horsepower310 hp
Torque348 lb-ft
ValvetrainDOHC, 4 valves per cylinder, tripower VVT with variable valve lift and Active Fuel Management
Bore and Stroke92.25 x 102.0
Injection TypeDirect high-pressure fuel injection with Active Fuel Management
Drivetrain
Drive Type2WD (standard) or 4WD
Transmission
Transmission8L90 8-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 Drive3.42
Fuel Economy
City19 MPG
Highway22 MPG
Suspension
Front SuspensionIndependent coil-over-shock with twin-tube shock absorbers; Rancho shocks available with X31 package
Rear SuspensionSolid axle with semi-elliptic variable-rate two-stage multileaf springs, splayed twin-tube shock absorbers; Rancho shocks available with X31 package
Brakes
Front Brake Disc13.0 x 1.18 in (330 x 30 mm) vented disc
Rear Brake Disc13.6 x 0.79 in (345 x 20 mm) disc
Tires & Wheels
Wheels Front18-in. x 8.5-in. aluminum
Wheels Rear18-in. x 8.5-in. aluminum
Tires FrontP265/65R18 all-season or all-terrain
Tires RearP265/65R18 all-season or all-terrain
Dimensions & Weight
Length231.9 in
Width81.2 in
Height75.5 in
Wheelbase147.4 in
Ground Clearance7.9 in
Curb Weight4,760 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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