See the technical specifications of the 2003 GMC Sierra 1500.
Get interior, exterior and engine specifications for the 2003 GMC Sierra 1500.
Engine Specifications
| |
ohv V61 |
ohv V82 |
ohv V83 |
ohv V84 |
| Size, liters/cu. in. |
4.3/262 |
4.8/294 |
5.3/327 |
6.0/364 |
| Horsepower @ rpm. |
200 @ 4600 |
275 @ 5200 |
285 @ 5200 |
300 @ 4400 |
| Torque (lb-ft) @ rpm. |
260 @ 2800 |
285 @ 4000 |
325 @ 4000 |
360 @ 4000 |
| Availability |
Standard |
Standard |
Optional |
Standard |
|
EPA City / highway mpg
|
|
|
|
|
| 5-speed manual |
15/21 5
|
16/20 6
|
--/--
|
--/--
|
| 4-speed automatic |
16/20 6
|
15/19 6
|
15/19 6
|
12/16
|
1. V6 models. 2. 4.8 V8 models; optional V6 models. 3. 5.3 V8 models; optional V6 and 4.8 V8 models. 4. Crew Cab and Denali; 325 hp @ 5000 and 370 lb-ft @ 4000 in Denali. 5. 15/18 w/4WD. 6. 14/18 w/4WD.
Engine Key: l/cu in. = liters/cubic inches; ohv = overhead valve; ohc = overhead camshaft;
dohc = dual overhead camshaft; I = inline cylinders; H = horizonally opposed cylinders;
V = cylinders in a V configuration; W = cylinders in a W configuration; rpm = revolutions
per minute; CVT = continuously variable (automatic) transmission; NA = not available; "--"
= measurement does not exist.
Fuel Data
|
EPA Fuel Economy Est - City |
15 MPG |
|
EPA Fuel Economy Est - Hwy |
21 MPG |
|
Fuel Tank Capacity, Approx |
26 gal |
Drivetrain Specifications
|
Drivetrain |
Rear-Wheel Drive |
Interior Specifications
|
Front Headroom |
41.0 in |
|
Front Hiproom |
63.9 in |
|
Front Legroom |
41.3 in |
|
Front Shoulderroom |
61.4 in |
|
Passenger Capacity |
3 |
|
Second Headroom |
N/A in |
|
Second Hiproom |
N/A in |
|
Second Legroom |
N/A in |
|
Second Shoulderroom |
N/A in |
Exterior Specifications
|
Height, Overall |
71.2 in |
|
Turning Diameter - Curb to Curb |
38.5 ft |
|
Turning Diameter - Wall to Wall |
N/A ft |
|
Wheelbase |
119.0 in |
|
Width, Max w/o mirrors |
78.5 in |
Wheels
|
Front Wheel Material |
Steel |
|
Rear Wheel Material |
Steel |
Tires
|
Front Tire Size |
P235/75R16 |
|
Rear Tire Size |
P235/75R16 |
