GMC Sierra 2500
2015 only
2015 GMC Sierra 2500 have 97 classified complaints on record for that year specifically, plus 6 recalls. The most common issue in this year is Wiring harness, grounds and connectors, typically surfacing around 13,000 miles.
Computed directly from stored federal records for 2015 model years only — not blended with the rest of this vehicle's production run. See the full GMC Sierra 2500 report for every year combined.
Where this year fits
What breaks, and when — 2015 only
Median onset: 13,000 miles.
Tends to show up earlier than this model's other issues. · More common in newer model years.
Median onset: 9,100 miles.
Tends to show up earlier than this model's other issues. · More common in newer model years.
Median onset: 123,637 miles.
Tends to show up later than this model's other issues. · More common in older model years. · Typical repair: $630–$1,700 nationally.
Median onset: 75,000 miles. 16.7% of these reported an injury, a death, or a crash with fire.
Tends to show up later than this model's other issues. · More common in newer model years.
Median onset: 33,000 miles.
Tends to show up earlier than this model's other issues. · More common in newer model years.
Median onset: 74,000 miles.
Tends to show up later than this model's other issues. · More common in older model years. · Typical repair: $720–$2,150 nationally.
Median onset: 7,000 miles.
Tends to show up earlier than this model's other issues.
Median onset: 97,149 miles.
Tends to show up later than this model's other issues. · More common in newer model years.
From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see how it works. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.
Cost estimator: what will this one cost you?
Enter the car's year and mileage. See which known problems are due in your next 3 years, what each costs at your state's labor rates, which ones to ask the seller about, and routine maintenance to budget for.
Sources: NHTSA Office of Defects Investigation — complaints and recalls, scoped to 2015 model year. See the full GMC Sierra 2500 report for every year and full specs/safety data.