GMC Sierra problems
448 owner complaints with NHTSA, no active recalls. Here's where owners say it breaks.
Solid reliability overall. Common issues are concentrated in a few systems.
The data says walk unless this exact vehicle has documented proof the brakes was repaired or replaced.
- 6 fire-related complaints on the electrical system
- Brakes: 118 complaints, classified severe, failures cluster 41,000–99,634 mi
- Steering: 52 complaints, classified severe, failures cluster 30,000–114,000 mi
- Reliability score 7.0/10 — around the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Top trouble spots 8 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
I was traveling at 35 MPH and approached a stop light. The brakes failed and I went through the red light. I nearly was hit by oncoming traffic. The brake line has a sever leak at a rusted area in the line. *tr
Speedometer failed at 68,000 miles. It sticks all the way past 120 MPH. Can't see how fast I'm going, dealer refuses to fix it. Tried three dealers. *tr
Truck has been in dealer numerous times for severe noise of power steering pump, loss of brake boost and steering assist at low speeds. Pump was replaced and noised disappeared for just over 2 weeks and started again. Dealer explained that gm is aware of problem, but is only…
Crash, injury, frontal impact, brakes did not respond quickly enough. Air bags did not deploy. *jb
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2005 GMC Sierra reliable?
Mostly yes. With a reliability score of 7.0 out of 10 based on 448 owner complaints filed with NHTSA, the 2005 GMC Sierra is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2005 GMC Sierra?
On the NHTSA data, the 2005 GMC Sierra is one to avoid unless a specific vehicle proves otherwise. The data says walk unless this exact vehicle has documented proof the brakes was repaired or replaced. The record behind that call: 6 fire-related complaints on the electrical system; Brakes: 118 complaints, classified severe, failures cluster 41,000–99,634 mi; Steering: 52 complaints, classified severe, failures cluster 30,000–114,000 mi; Reliability score 7.0/10 — around the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What's the most common problem on the 2005 GMC Sierra?
Based on NHTSA records, the most-reported issue is electrical, with 122 complaints filed. Typical failure occurs around 74,351 miles. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 74,351 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my GMC Sierra has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2005 GMC Sierra?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 448 complaints on file and the costliest repair averaging $850, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.