AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Gmc Yukon
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $9,000–$15,000
The 2018 GMC Yukon has several recalls concerning brake and wheel-speed sensor issues, leading to multiple safety concerns. Additionally, numerous owner complaints about the engine and powertrain suggest reliability issues. Hence, this vehicle earns a below-average reliability rating.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine | 70,000–100,000 miles | $1,500–$3,500 | common |
| powertrain | 60,000–90,000 miles | $1,200–$3,000 | common |
| brake vacuum pump | 50,000–80,000 miles | $400–$900 | common |
| wheel-speed sensor | 40,000–70,000 miles | $300–$700 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 7,500 miles
- Tire rotation every 7,500 miles
- Replace brake pads every 50,000 miles
- Cooling system checkup at 60,000 miles
- Transmission fluid change at 60,000 miles
- Spark plug replacement at 100,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Decreased brake performance
- Unusual engine noise
- Delayed gear shifting
- Warning lights for traction control
- Inconsistent cruising speed
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.