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2012 GMC SIERRA 1500 Extended Cab Standard Box 4-Wheel Drive Work Truck

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Technical Specs
Recalls and Ratings
GMC Sierra 1500

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BRAKES

Drum Diam x Width (in)
11.6 x 2.4
ABS System
4-Wheel
Brake System Type
Pwr
Front disc brake (Yes/No)
Yes
Front disk brake Rotor Diam x Thickness (in)
13.0 x 1.2
Rear Drum brake (Yes/No)
Yes

CARGO AREA DIMENSIONS

Cargo Volume (cu ft)
60.7
Ext'd Cab Cargo Volume (cu ft)
- TBD -
Height (in)
21.0
Length @ Floor (in)
78.7
Tailgate Width (in)
61.5
Width @ Floor (in)
62.4
Width @ Top, Rear (in)
61.5
Width @ Wheelhousings (in)
50.6

DIFFERENTIAL

Front Axel Ratio (:1)
3.42
Rear axle ratio (:1)
3.42

ELECTRICAL

1st battery Cold Cranking Amps @ 0ΓΈ F
600

ENGINE

Displacement
4.8L/293
Engine Order Code
L20
Engine Type
Gas V6
Fuel System
Electronic Fuel Injection
SAE Net Horsepower
302 @ 5600
SAE Net Torque (lb ft)
305 @ 4600

EPA SCORE

EPA Greenhouse Gas Score
1

EXTERIOR DIMENSIONS

Cab to Axle (in)
41.5
Cab to End of Frame (in)
- TBD -
Frame Width, Rear (in)
- TBD -
Front Bumper to Back of Cab (in)
141.4
Ground Clearance (in), Front
9.0
Ground Clearance (in), Rear
11.8
Ground to Top of Frame (in)
- TBD -
Ground to Top of Load Floor (in)
33.4
Height, Overall (in)
73.7
Length, Overall w/o rear bumper
230.2
Overhang (in), Front
39.4
Overhang (in), Rear w/o bumper
47.2
Wheelbase (in)
143.5
Width, Max w/o mirrors (in)
80.0

FUEL TANK

Capacity, Approx (gal)
26
Tank Location
Driver Side

INTERIOR DIMENSIONS

Front seat Head Room (in)
41.2
Front seat Hip Room (in)
62.5
Front seat Leg Room (in)
41.3
Front seat Shoulder Room (in)
65.2
Passenger Capacity
6
Second seat head room (in)
39.2
Second seat hip room (in)
61.9
Second seat leg room (in)
34.3
Second seat shoulder room (in)
65.3

MILEAGE

City EPA Fuel Economy Est (MPG)
13
Hwy EPA Fuel Economy Estimate (MPG)
18

STEERING

Curb to Curb Turns
46.9
Wall to Wall Turns
- TBD -
Ratio (:1), At Lock
3
Ratio (:1), On Center
16.7
Steering Type
Pwr

SUSPENSION

Front Axel Type
Independent
Front axle Capacity (lb)
3950
Front Shock Absorber Diameter (mm)
1.8
Front Spring Capacity (lb)
3950
Front Spring Type
Independent
Rear axle capacity (lb)
3950
Rear axle type
Semi-Floating
Rear shock absorber diameter (mm)
1.4
Rear spring capacity (lb)
3950
Rear Spring Type
2-stage multi-leaf
Stabilizer Bar Diameter (in)
1.4

TIRES

Front Capacity - each (lb)
2304
Front Tire Order Code
QVL
Front Tire Revolutions/Mile @ 45 mph
- TBD -
Front Tire Size
P265/70R17
Rear tire capacity (lb)
2304
Rear tire order code
QVL
Rear tire revolutions @ 45 mph
- TBD -
Rear tire size
P265/70R17
Spare tire capacity (lb)
2304
Spare tire revolutions @ 45 mph
- TBD -
Spare tire size
P265/70R17

TRAILERING

Dead Weight Hitch (lb)
5000
Dead Weight Hitch-Max. Tongue Load
500
Wt Distributing Hitch (lb)
5500
Wt. Distributing Hitch-Max. Tongue Load
825

TRANSFER CASE

Gear Ratio (:1), High
1.00
Gear Ratio (:1), Low
2.69
Transfer Case Model
Magna MP1222/5/6

TRANSMISSION

Drivetrain
4-Wheel Drive
Gear Ratio (:1), First
3.06
Gear Ratio (:1), Fourth
0.70
Gear Ratio (:1), Reverse
2.29
Gear Ratio (:1), Second
1.63
Gear Ratio (:1),Third
1.00
Transmission Order Code
M30
Transmission Type
4
Transmission Type Description Line 1
Automatic

WEIGHT INFORMATION

Curb Weight (lb)
3217
Gross Axle Wt Rating (lb)
3950
Gross Combined Wt Rating (lb)
11000
Gross Vehicle Wt Rating (lb)
7000
Rear Curb Weight (lb)
2057
Rear Gross Axle Weight Rating (lb)
3950

WHEELS

Front wheel Size (in)
17 x 7.5
Front wheel Type
Steel
Rear wheel size (in)
17 x 7.5
Rear wheel type
Steel
Spare wheel size (in)
17 x - TBD -
Spare wheel type
Steel

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