Independent · Not affiliated with NHTSA or any automaker MethodologyData sourcesData refreshed Oct 6, 2026

2012 GMC Sierra: Problems, Recalls and MPG

What this means

NHTSA lists 2 recall campaigns for the 2012 GMC Sierra, most recently filed December 2014. Owners have filed 39 complaints with NHTSA, most often about the structure.

Data summary generated from official records. Methodology Data: NHTSA, DOT, EPA · Refreshed Oct 6, 2026
Caution Fewer than 50 complaints filed. With this few reports, patterns may not be meaningful.
Compare

Recalls (2)

NHTSA lists 2 recall campaigns for the 2012 GMC Sierra. Check whether yours was repaired with NHTSA's free VIN lookup ↗

Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.

Check on NHTSA ↗
Listed for 2012 GMC Sierra. Not checked against your VIN.
Recall 14V827000 Filed Dec 30, 2014

Ignition Lock Actuator may Bind

Electrical system · ignition
Official NHTSA text
Summary
General Motors LLC (GM) is recalling certain model year 2011-2012 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado HD, Silverado LD, Suburban, Tahoe, GMC Sierra LD, Sierra HD, Yukon, and Yukon XL vehicles. In the affected vehicles, the ignition lock actuator may bind, making turning the key difficult or causing the ignition to get stuck in the "Start" position.
Consequence
If stuck in the "Start" position, the ignition may suddenly snap back into the "Accessory" position, causing a loss of engine, steering, and braking power, increasing the risk of a vehicle crash. If the vehicle is in a crash, the air bags may not deploy, increasing the risk of occupant injury.
Remedy
GM will notify owners, and dealers will inspect and replace the ignition lock housing, as necessary, free of charge. The recall began on February 12, 2015. Owners may contact GM customer service at 1-800-458-8006 (Cadillac), 1-800-222-1020 (Chevrolet), or 1-800-462-8782 (GMC). GM's number for this recall is 14696 for the original equipment, and 14912 for the service replacement parts.
63.3% repairedof 84,192 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 14V827000
Listed for 2012 GMC Sierra. Not checked against your VIN.
Recall 13V615000 Filed Dec 11, 2013

Transfer Pump Failure may result in Engine Stall

Fuel system, diesel
Official NHTSA text
Summary
General Motors LLC (GM) is recalling certain model year 2012-2013 Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with 6.6L diesel engines and dual fuel tanks. In the affected vehicles, the transfer pump which moves fuel from the rear tank to the front tank could malfunction and cause the fuel gauge to indicate an inaccurate reading.
Consequence
If the fuel gauge indicates an inaccurate reading it may result in the vehicle unexpectedly stalling, increasing the risk of a crash.
Remedy
General Motors will notify owners and dealers will inspect and replace the fuel transfer pump, as necessary, free of charge. The manufacturer has not yet provided a notification schedule. The recall began on May 30, 2014. Owners may contact Chevrolet at 1-800-222-1020 and GMC at 1-800-462-8782. GM's number for this recall is 13420.
68.2% repairedof 9,733 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 13V615000

PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.

Owner complaints (39)

39 complaints filed with NHTSA (owner reports, not verified findings). The structure is mentioned most often.

4involved a crash
2involved a fire
0injuries reported
0deaths reported

As reported by owners in their complaints. These are reports, not NHTSA findings.

Most-reported components

Complaints filed with NHTSA for the 2012 GMC Sierra, by component (top 10). One complaint can list several components, so these add up to more than 39.Source: NHTSA ODI owner complaints · Retrieved Oct 6, 2026 · Report a data error

How 2012 compares with other Sierra years

Best and worst Sierra years →
2008200920102011201220132014201520162017
This year (2012)Other yearsStill collecting reports

Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.

Fuel economy: up to 21 mpg combined

21
mpg combined
20
city
23
highway
EPA annual fuel cost
$3,200
CO₂ tailpipe
423 g/mi
EPA class
Standard Pickup Trucks

What it costs you to run

$3,110per year
$259per month
714gallons a year

Miles ÷ 21 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.

EPA label estimates from lab tests; your mileage will vary.

Specs by configuration

2012 GMC Sierra configurations with EPA data
Engine · transmissionDriveCity / Hwy / CombEPA $/yrCO₂ g/mi
6 L 8-cyl · CVTRear-Wheel Drive20 / 23 / 21$3,200423
6 L 8-cyl · CVT4-Wheel Drive20 / 23 / 21$3,200423
5.3 L 8-cyl · 6-speed automaticRear-Wheel Drive15 / 22 / 18$3,700494
5.3 L 8-cyl · 6-speed automaticRear-Wheel Drive15 / 21 / 17$3,950523
4.3 L 6-cyl · 4-speed automaticRear-Wheel Drive15 / 20 / 17$3,950523
5.3 L 8-cyl · 6-speed automatic4-Wheel Drive15 / 21 / 17$3,950523
4.8 L 8-cyl · 4-speed automaticRear-Wheel Drive14 / 19 / 16$4,200555
4.3 L 6-cyl · 4-speed automatic4-Wheel Drive14 / 18 / 16$4,200555
4.8 L 8-cyl · 4-speed automatic4-Wheel Drive13 / 18 / 15$4,450593
6.2 L 8-cyl · 6-speed automaticRear-Wheel Drive13 / 18 / 14$4,800635
6.2 L 8-cyl · 6-speed automatic4-Wheel Drive12 / 18 / 14$4,800635
6.2 L 8-cyl · 6-speed automatic4-Wheel Drive12 / 18 / 14$4,800635

Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Used blue SUV on a sunny dealer lot with its hood open and a clipboard on the fender

Looking at a 2012 Sierra for sale?

Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.

All Sierra years

Where to next

2012 GMC Sierra FAQ

How many recalls does the 2012 GMC Sierra have?

NHTSA lists 2 recall campaigns: 14V827000 (electrical), 13V615000 (fuel system). Use NHTSA's VIN lookup to see whether a specific car was repaired.

What are the most common 2012 GMC Sierra problems?

Owners filed 39 complaints with NHTSA. Structure (8), Electrical system (7), Steering (7) are mentioned most. These are owner reports, not verified findings.

What mpg does the 2012 GMC Sierra get?

EPA rates the 6 L 8-cyl · CVT version at 20 city, 23 highway and 21 combined mpg. Other configurations are listed in the fuel economy section.

How does the 2012 Sierra compare with other years?

Among the 2008–2017 GMC Sierra model years at least five years old, the 2016 drew the fewest complaints (36) and the 2014 the most (115). The 2012 drew 39. Counts are owner reports, not failure rates.

How this page was madeSources, processing, limits, review and changes

Processing

  • Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
  • Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.

Limitations

  • Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
  • Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
  • Recent model years are still collecting reports.

Review

Data compiled automatically from the official files listed here.

Changelog

  • 2026-10-06 Data refreshed from the official files.
Was this report useful?Report a data error
My Garage
Save this car and we'll flag new recall campaigns next time you visit.