Reliability & 5-year cost of ownership — 2011 GMC Denali
NHTSA data on file today
try.vin couldn't confirm NHTSA's recall list for the 2011 GMC Denali, so this page doesn't state a recall count — check the VIN at nhtsa.gov/recalls for current campaigns. 11 owner complaints are on file.
Most-cited components in owner complaints
- Unknown or Other 8 complaints
- Air Bags 5 complaints
Average
Estimated 5-year repair + maintenance cost: $6,000–$10,000AI estimate — not from NHTSA data
The 2011 GMC Denali has average reliability with some concerns in airbags but relatively few recalls. Owners report occasional issues which can affect long-term reliability.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| airbags | 60,000–100,000 miles | $500–$1,500 | common |
| transmission | 90,000–120,000 miles | $850–$2,500 | occasional |
| brake system | 80,000–110,000 miles | $300–$800 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 5,000 miles
- Brake fluid replacement bi-annually
- Transmission service every 50,000 miles
- Coolant flush every 50,000 miles
- Air filter replacement annually
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Airbag warning light
- Transmission slipping or unusual shifts
- Braking system noises
- Unusual engine noises
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2011 GMC Denali at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.