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2012 GMC Sierra 1500
Extended Cab Standard Box 4-Wheel Drive SLT
Quick Specs
$39,705(1)
Gas/Ethanol V8
5.3L/323
315 HP
Automatic
4-Wheel Drive
5 Adults
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1MSRP does not include destination and handling
2Based on 2010 EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary depending on how you drive and maintain your vehicle.
2Based on 2010 EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary depending on how you drive and maintain your vehicle.
Engine
| Engine Order Code | LMG |
| Engine Type | Gas/Ethanol V8 |
| Displacement | 5.3L/323 |
| Fuel System | Electronic Fuel Injection |
| SAE Net Horsepower @ RPM | 315 @ 5200 |
| SAE Net Torque @ RPM | 335 @ 4000 |
Mileage
| Fuel Economy Est-Combined (N/A) | 17 |
| EPA Fuel Economy Est - City (MPG) | 15 |
| EPA Fuel Economy Est - Hwy (MPG) | 21 |
Cooling System
| Total Cooling System Capacity (qts) | 14.9 |
Trailering
| Dead Weight Hitch - Max Trailer Wt. (lbs) | 5000 |
| Dead Weight Hitch - Max Tongue Wt. (lbs) | 500 |
| Wt Distributing Hitch - Max Trailer Wt. (lbs) | 6800 |
| Wt Distributing Hitch - Max Tongue Wt. (lbs) | 1020 |
| Fifth Wheel Hitch - Max Trailer Wt. (lbs) | 5600 |
| Fifth Wheel Hitch - Max Tongue Wt. (lbs) | 1400 |
| Maximum Trailering Capacity (lbs) | 10400 |
Brakes
| Brake Type | Pwr |
| Brake ABS System | 4-Wheel |
| Disc - Front (Yes or ) | Yes |
| Front Brake Rotor Diam x Thickness (in) | 13.0 x 1.2 |
| Drum - Rear (Yes or ) | Yes |
| Rear Drum Diam x Width (in) | 11.6 x 2.4 |
Wheels
| Front Wheel Size (in) | 18 x 8.0 |
| Rear Wheel Size (in) | 18 x 8.0 |
| Spare Wheel Size (in) | 17 x - TBD - |
| Front Wheel Material | Steel |
| Rear Wheel Material | Steel |
| Spare Wheel Material | Steel |
Frame
| Frame Type | Hydroformed |
Exterior Dimensions
| Wheelbase (in) | 143.5 |
| Length, Overall w/o rear bumper (in) | 230.2 |
| Width, Max w/o mirrors (in) | 80.0 |
| Height, Overall (in) | 73.7 |
| Overhang, Front (in) | 39.4 |
| Overhang, Rear w/o bumper (in) | 47.2 |
| Front Bumper to Back of Cab (in) | 141.4 |
| Cab to Axle (in) | 41.5 |
| Cab to End of Frame (in) | - TBD - |
| Ground to Top of Load Floor (in) | 33.4 |
| Ground to Top of Frame (in) | - TBD - |
| Frame Width, Rear (in) | - TBD - |
| Ground Clearance, Front (in) | 9.0 |
| Ground Clearance, Rear (in) | 11.8 |
Interior Dimensions
| Passenger Capacity | 5 |
| Front Head Room (in) | 41.2 |
| Front Leg Room (in) | 41.3 |
| Front Shoulder Room (in) | 65.2 |
| Front Hip Room (in) | 62.5 |
| Second Head Room (in) | 39.2 |
| Second Leg Room (in) | 34.3 |
| Second Shoulder Room (in) | 65.3 |
| Second Hip Room (in) | 61.9 |
Emissions
| EPA Greenhouse Gas Score | 2 |
| Tons/yr of CO2 Emissions @ 15K mi/year | 10.7 |
Transmission
| Drivetrain | 4-Wheel Drive |
| Trans Order Code | MYC |
| Trans Type | 6 |
| Trans Description Cont. | Automatic |
| First Gear Ratio (:1) | 4.03 |
| Second Gear Ratio (:1) | 2.36 |
| Third Gear Ratio (:1) | 1.53 |
| Fourth Gear Ratio (:1) | 1.15 |
| Fifth Gear Ratio (:1) | 0.85 |
| Sixth Gear Ratio (:1) | 0.67 |
| Reverse Ratio (:1) | 3.06 |
| Transfer Case Model | Magna MP3023/4 |
| Transfer Case Gear Ratio (:1), High | 1.00 |
| Transfer Case Gear Ratio (:1), Low | 2.69 |
Electrical
| 600 |
| Maximum Alternator Capacity (amps) | 145 |
Weight Information
| Gross Axle Wt Rating - Front (lbs) | 3950 |
| Gross Axle Wt Rating - Rear (lbs) | 3950 |
| Curb Weight - Front (lbs) | 3217 |
| Curb Weight - Rear (lbs) | 2057 |
| Gross Vehicle Weight Rating Cap (lbs) | 7000 |
| Gross Combined Wt Rating (lbs) | 11000 |
Suspension
| Suspension Type - Front | Independent |
| Suspension Type - Rear | 2-stage multi-leaf |
| Spring Capacity - Front (lbs) | 3950 |
| Spring Capacity - Rear (lbs) | 3950 |
| Axle Type - Front | Independent |
| Axle Type - Rear | Semi-Floating |
| Axle Capacity - Front (lbs) | 3950 |
| Axle Capacity - Rear (lbs) | 3950 |
| Axle Ratio (:1) - Front | 3.08 |
| Axle Ratio (:1) - Rear | 3.08 |
| Shock Absorber Diameter - Front (mm) | 1.8 |
| Shock Absorber Diameter - Rear (mm) | 1.4 |
| Stabilizer Bar Diameter - Front (in) | 1.4 |
Tires
| Front Tire Order Code | QMG |
| Rear Tire Order Code | QMG |
| Front Tire Size | P265/65R18 |
| Rear Tire Size | P265/65R18 |
| Spare Tire Size | P265/70R17 |
| Front Tire Capacity (lbs) | 2244 |
| Rear Tire Capacity (lbs) | 2244 |
| Spare Tire Capacity (lbs) | 2304 |
| Revolutions/Mile @ 45 mph - Front | - TBD - |
| Revolutions/Mile @ 45 mph - Rear | - TBD - |
| Revolutions/Mile @ 45 mph - Spare | - TBD - |
Steering
| Steering Type | Pwr |
| Steering Ratio (:1), On Center | 16.7 |
| Steering Ratio (:1), At Lock | 3 |
| Turning Diameter - Curb to Curb (ft) | 46.9 |
| Turning Diameter - Wall to Wall (ft) | - TBD - |
Fuel Tank
| Fuel Tank Capacity, Approx (gal) | 26 |
| Fuel Tank Location | Driver Side |
Cargo Area Dimensions
| Cargo Box Length @ Floor (in) | 78.7 |
| Cargo Box Width @ Top, Rear (in) | 61.5 |
| Cargo Box Width @ Floor (in) | 62.4 |
| Cargo Box Width @ Wheelhousings (in) | 50.6 |
| Cargo Box (Area) Height (in) | 21.0 |
| Tailgate Width (in) | 61.5 |
| 60.7 |
| - TBD - |
Summary
| Vehicle Name | GMC Sierra 1500 |
| Body Style | Ext Cab 6.5' Wideside |
| Body Code | E63 |
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