Reliability & 5-year cost of ownership — 2011 GMC Sierra Denali
NHTSA data on file today
try.vin couldn't confirm NHTSA's recall list for the 2011 GMC Sierra Denali, so this page doesn't state a recall count — check the VIN at nhtsa.gov/recalls for current campaigns. 28 owner complaints are on file.
Most-cited components in owner complaints
- Unknown or Other 17 complaints
- Air Bags 10 complaints
- Structure 9 complaints
- Power Train 2 complaints
- Suspension 1 complaint
- Wheels 1 complaint
Below average
Estimated 5-year repair + maintenance cost: $15,000–$25,000AI estimate — not from NHTSA data
The 2011 GMC Sierra Denali has numerous complaints, notably with air bags and structural issues. While it has minimal recall activity, the frequency of complaints suggests potential reliability concerns.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| air bags | 70,000–100,000 miles | $500–$1,500 | common |
| structure | 80,000–120,000 miles | $800–$2,000 | common |
| power train | 90,000–130,000 miles | $1,000–$3,000 | occasional |
| suspension | 60,000–100,000 miles | $400–$1,200 | 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 and filter changes
- Tire rotation
- Brake fluid replacement
- Transmission fluid change
- Coolant flush
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Airbag warning light
- Unusual cabin noises
- Transmission slipping
- Uneven tire wear
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2011 GMC Sierra Denali at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.