Reliability & 5-year cost of ownership — 2002 GMC Sierra Denali
NHTSA data on file today
The 2002 GMC Sierra Denali has 1 NHTSA recall campaign and 13 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #06E043000 AFTERMARKET FUEL FILTERS/FUEL LEAK NHTSA notice
Most-cited components in owner complaints
- Service Brakes, Hydraulic 6 complaints
- Service Brakes 3 complaints
- Steering 3 complaints
- Air Bags 1 complaint
- Electrical System 1 complaint
- Engine and Engine Cooling 1 complaint
Of the 13 complaints on file, 1 reports a crash; across all 13 complaints, owners report 1 injury (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $4,500–$7,500AI estimate — not from NHTSA data
The 2002 GMC Sierra Denali has an average reliability rating mainly due to recurring issues with the service brakes and hydraulic system. With a substantial number of complaints in these areas, owners should be mindful of potential repairs.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| service brakes | 80,000–120,000 miles | $300–$600 | very common |
| hydraulic system | 70,000–110,000 miles | $400–$900 | common |
| steering system | 90,000–130,000 miles | $350–$750 | 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
- Brake pad and rotor replacement
- Transmission fluid replacement
- Coolant system flush
- Suspension check and alignment
- Tire rotation and balancing
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Brake fluid leaks
- Unresponsive braking
- Hydraulic system noises
- Steering wheel vibrations
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2002 GMC Sierra Denali at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.