Home / GMC / SIERRA

Gmc Sierra Problems

The GMC Sierra represents the full-size pickup truck lineup across multiple generations, sometimes tracked separately from the Sierra 1500 depending on the data source. With nearly 9,800 complaints and 56 reported deaths, the Sierra nameplate encompasses various configurations and model years. The Sierra shares its platform with the Chevrolet Silverado, offering slightly more upscale positioning. Reliability varies significantly by generation and engine choice.

9,792
Total Complaints
31
Total Recalls
35
Model Years
56
Reported Deaths
!

Years to Avoid

These years have significantly more complaints than average.

2000 1999
✓

Best Years

These years have the fewest reported problems.

1976 1977 1982

Common Problem Categories

Service Brakes, Hydraulic 2,162
Visibility 1,026
Power Train 690
Service Brakes 608
Steering 528

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2017 154 0 10 2 Average
2016 16 2 6 2 Good
2015 134 6 8 4 Good
2014 264 12 16 4 Average
2013 92 3 12 4 Good
2012 92 2 14 14 Good
2011 134 2 2 0 Good
2010 86 1 6 4 Good
2009 96 1 6 0 Good
2008 168 1 8 0 Average
2007 142 1 14 4 Average
2006 130 0 6 6 Good
2005 304 0 6 4 Average
2004 448 0 24 14 Below Average
2003 496 0 32 6 Below Average
2002 582 0 52 6 Below Average
2001 666 0 82 4 Below Average
2000 1,114 0 116 6 Avoid
1999 1,442 0 116 4 Avoid
1998 460 0 38 16 Below Average
1997 604 0 12 10 Below Average
1996 620 0 40 16 Below Average
1995 654 0 48 0 Below Average
1994 442 0 6 4 Below Average
1993 218 0 18 2 Average
1992 66 0 4 4 Good
1991 24 0 0 0 Good
1990 60 0 2 24 Good
1989 44 0 4 0 Good
1988 12 0 0 2 Good
1987 4 0 0 0 Good
1983 10 0 0 2 Good
1982 2 0 0 0 Good
1977 8 0 0 0 Good
1976 4 0 0 0 Good

Gmc Sierra Years to Avoid

The 1999 GMC Sierra is the worst model year with brake problems, fuel system issues, and service brake complaints leading the concerns. The 1999-2002 models had widespread brake rotor warping, fuel pump failures, and some transmission concerns. The 2003-2006 trucks improved but had some transfer case issues in 4WD models. Earlier 1988-1998 trucks were generally more reliable but simpler. The 56 deaths reflect various incidents across the trucks long production history.

Best Gmc Sierra Years

The 1982 GMC Sierra represents the earlier generation with proven reliability and simpler systems, though finding one in good condition is challenging. The 2007-2013 GMT900 platform Sierras with the 5.3L V8 are solid choices. The 2014-2018 K2 platform trucks are good after the 2014 first-year issues were addressed. The 2020+ T1 platform shows improvement after early concerns.

Frequently Asked Questions

What are the most common problems with the GMC Sierra?

Common issues vary by generation but include brake rotor warping in late 1990s models, AFM lifter failures on newer V8s, transmission shudder in recent trucks, fuel pump failures, and transfer case issues in 4WD models. The 5.3L V8 is generally reliable despite AFM concerns.

Is the GMC Sierra different from the Silverado?

The Sierra and Silverado share the same platform, engines, transmissions, and mechanical components. The Sierra has slightly more upscale interior trim and different exterior styling. Reliability patterns are identical. Choose based on styling preference, dealer experience, and pricing.

How serious is the GMC Sierra brake problem?

The brake rotor warping in 1999-2006 models causes pulsation during braking but is not typically dangerous. Its an annoyance requiring rotor replacement. Upgrading to quality aftermarket rotors helps. This issue is separate from actual brake failure concerns.

Should I buy a used GMC Sierra?

The Sierra can be excellent full-size truck transportation. Avoid first-year redesign models (1999, 2007, 2014, 2019). The 2010-2013 and 2017-2018 models offer good value. Have transmission, brakes, and AFM system inspected before purchase.

How long does a GMC Sierra last?

With proper maintenance, a Sierra can exceed 200,000-300,000 miles. The 5.3L and 6.2L V8 engines are durable when maintained. Transmission service is critical for longevity. Trucks used primarily for highway driving outlast those used for heavy towing or plowing.