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2023 GMC Sierra

Sierra 1500 4WD 6.2L 4WD

Gas 4WD MSRP —Compare this trim against anything →

What the Sierra 1500 4WD 6.2L adds over the Sierra 1500 2WD

Spec	Sierra 1500 2WD	Sierra 1500 4WD 6.2L
Curb weight (maximum)	4760 lbs	5500 lbs
Curb weight (minimum)	4420 lbs	5410 lbs
Aspiration	twin turbo	naturally aspirated
Cylinder count	4	8
Engine displacement	2700 cc	6200 cc
Horsepower	310 hp	420 hp
Torque	348 lb-ft	460 lb-ft
Engine type (full description)	2.7L Turbo DOHC VVT DI with Active Fuel Management	6.2L V-8 VVT DI with Dynamic Fuel Management
Valve configuration	Dual-overhead camshafts, four-valves per cylinder	Overhead valve, two valves per cylinder, variable valve timing
Ground clearance	7.8 in	7.9 in
Gross vehicle weight rating	6800 lbs	7300 lbs
MPG (city)	19 mpg	15 mpg
MPG (highway)	22 mpg	19 mpg
Overall height	75.6 in	75.4 in
Overall length	231.9 in	241.4 in
Payload capacity	2020 lbs	1660 lbs
Second-row shoulder room	64.9 in	65.1 in
Transmission speeds	8	10
Wheel diameter	17 in	20 in
Wheel material	steel	aluminum polished
Wheel width	8 in	9 in
Wheelbase	147.4 in	157 in

Standard here, not on the base trim: 6.2L V-8 VVT DI with Dynamic Fuel Management – 420 hp / 313 kW @ 5600 rpm, 460 lb.-ft. / 623 Nm @ 4100 rpm, EPA-Est. MPG: 6.2L V-8 – 15 city / 19 hwy (4WD); 14 city / 17 hwy (4WD – AT4 & AT4X), Two-speed transfer case or Autotrac automatic transfer case with 4WD, depending on model

Specifications

Source: manufacturer press kit

Brakes

Front brake diameter	330 mm
Front brake type	vented disc
Rear brake diameter	345 mm
Rear brake type	vented disc

Dimensions Exterior

Ground clearance	7.9 in
Overall height	75.4 in
Overall length	241.4 in
Overall width	81.2 in
Wheelbase	157 in

Engine Basics

Aspiration	naturally aspirated
Cylinder count	8
Engine displacement	6200 cc
Fuel injection system	gdi mpi
Engine type (full description)	6.2L V-8 VVT DI with Dynamic Fuel Management
Valve configuration	Overhead valve, two valves per cylinder, variable valve timing

Engine Output

Horsepower	420 hp
Torque	460 lb-ft

Fuel Economy

MPG (city)	15 mpg
MPG (highway)	19 mpg

Fuel System

Fuel tank capacity

24 gal

Headroom

Front headroom	43 in
Second-row headroom	39.9 in

Legroom

Front legroom	44.5 in
Second-row legroom	35.2 in

Shoulder Room

Front shoulder room	66 in
Second-row shoulder room	65.1 in

Steering

Steering type

Electric power-assisted rack-and-pinion

Suspension

Front suspension type	Independent coil-over-shock with twin-tube shock absorbers
Rear suspension type	Solid axle with semi-elliptic, variable-rate, two-stage multileaf springs, splayed twin-tube shock absorbers

Transmission

Final drive ratio	3.4
Transmission speeds	10
Transmission type	automatic

Weights

Curb weight (maximum)	5500 lbs
Curb weight (minimum)	5410 lbs
Gross vehicle weight rating	7300 lbs
Payload capacity	1660 lbs

Wheels

Wheel diameter	20 in
Wheel material	aluminum polished
Wheel width	9 in

Standard & optional equipment

Source: manufacturer press kit

Safety4 std · 0 opt

Electronic Stability Control
Four-wheel disc brakes with electro-hydraulic power assist, ABS; vented front and rear Duralife rotors – 13 x 1.18 in. front / 13.6 x 0.79 in. rear
Four-wheel disc with electro-hydraulic power assist and ABS
Traction Control

Exterior3 std · 0 opt

20-in. x 9-in. aluminum polished wheels (standard Denali)
22-in. x 9-in. aluminum polished wheels (available Denali)
22-in. x 9-in. aluminum ultra-bright machined wheels (Denali Ultimate)

Powertrain13 std · 0 opt

10-speed automatic transmission (10L80) – for 3.0L, 5.3L and 6.2L engines
2.7L Turbo DOHC VVT DI with Active Fuel Management – 310 hp / 231 kW @ 5600 rpm, 348 lb.-ft. / 473 Nm @ 1500-4000 rpm
3.0L DOHC I-6 Turbo-Diesel – 305 hp / 227 kW @ 3750 rpm, 495 lb.-ft. / 365 Nm @ 1500 rpm
5.3L V-8 VVT DI with Dynamic Fuel Management – 355 hp / 265 kW @ 5600 rpm, 383 lb.-ft. / 519 Nm @ 4100 rpm
6.2L V-8 VVT DI with Dynamic Fuel Management – 420 hp / 313 kW @ 5600 rpm, 460 lb.-ft. / 623 Nm @ 4100 rpm
8-speed automatic transmission (8L90) – for 2.7L engine
Axle ratio: 3.23 (5.3L, 3.0L); 3.42 (2.7L, 5.3L with Max Trailering Pkg., 6.2L); 3.73 (3.0L with Max Trailering Pkg.)
EPA-Est. MPG: 2.7L Turbo – 19 city / 22 hwy (2WD); 18 city / 20 hwy (4WD); 17 city / 18 hwy (4WD – AT4)
EPA-Est. MPG: 3.0L I-6 Turbo Diesel – 24 city / 29 hwy (2WD); 22 city / 27 hwy (4WD); 21 city / 23 hwy (4WD – AT4)
EPA-Est. MPG: 5.3L V-8 – 16 city / 21 hwy (2WD); 16 city / 20 hwy (4WD); 15 city / 19 hwy (4WD – AT4); flex-fuel E85 ratings also available
EPA-Est. MPG: 6.2L V-8 – 15 city / 19 hwy (4WD); 14 city / 17 hwy (4WD – AT4 & AT4X)
Fuel tank capacity (approx.): Regular Cab 28.3 gal. / 107L; Double Cab 24 gal. / 91L; Crew Cab 24 gal. / 91L (22 gal. / 83L for 2WD diesel models)
Two-speed transfer case or Autotrac automatic transfer case with 4WD, depending on model

Chassis3 std · 0 opt

Electric power-assisted rack-and-pinion steering
Independent coil-over-shock front suspension with twin-tube shock absorbers; Rancho shocks with X31 pkg.
Solid axle rear suspension with semi-elliptic, variable-rate, two-stage multileaf springs, splayed twin-tube shock absorbers; Rancho shocks with X31 pkg.

Ranked by what shoppers ask about first; standard equipment before options.

Transcribed from the manufacturer's official press kit for the 2023 Sierra. Confirm with the window sticker for a specific unit.

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Common questions about the Sierra 1500 4WD 6.2L

Source: EPA, NHTSA and manufacturer press kits

What does the 2023 GMC Sierra Sierra 1500 4WD 6.2L add over the Sierra 1500 2WD?

Against the Sierra 1500 2WD, 3 features become standard that the Sierra 1500 2WD does not and 22 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.