2012 GMC Sierra 1500

2012 · Third generation

Catalog figures for this model year. Ratings vary by configuration.

Quick facts

Capability

Towing

4,400–9,300 lb

Payload

1,513–1,940 lb

Curb weight

4,460–5,487 lb

Horsepower

195–403 hp

Efficiency

MPG city

12–15 mpg

Fuel tank

26.0–34.0 gal

Fitment

Bolt pattern

6x139.7

Drivetrain

4x4 · 4x2

Body

Crew Cab · Extended Cab · Regular Cab

Configurations

Complaints in dataset

What do you need to do with your 2012 Sierra 1500?

Tow somethingCatalog towing ratings Carry cargoCurb, GVWR, payload Check garage fitLength, width, height Buy wheelsOEM rim and bolt pattern Find tire sizeOEM tire sizes Replace a bulbPosition → bulb code Replace wipersDriver / passenger / rear Check powerHorsepower and torque Estimate rangeMPG and tank Check ground clearance Check interior room Find a fuse Read the owner’s manual Investigate a problemOwner-report counts, not failure rates See real buildsLogged modifications

Capability

Horsepower

195–403 hp

Towing

4,400–9,300 lb

Payload

1,513–1,940 lb

These figures are manufacturer ratings stored on 33 catalog configurations. Optional factory tow packages are often missing from this table. Confirm the door jamb and owner’s manual for the vehicle you have.

Size & fitment

205.6–249.2 in

11.8–13.4 in

6x139.7

OEM sizes

41.3 in

12–15 mpg

Maintenance

Wiper Sizes

Driver / passenger / rear

Bulb Sizes

Position chart

Fuses

Stored diagrams

Owner’s Manual

Stored sections

Owner Complaints

57 complaint records in our dataset — not a failure rate.

Year problems

Parts and modifications

Real builds

2012 · 10.0×26 · 275/25R26
2012 · 10.0×20 -18 mm · 35/12.5R20
2012 · 10.0×20 -18 mm · 35/12.5R20

All stored builds

3 real builds Replacement parts

Build rows are stored Modified1 projects mapped to this model year. Empty fields were not logged.