AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2021 Entegra Cornerstone
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $15,000–$22,000
The 2021 Entegra Cornerstone shows an average reliability rating due to concerns related to engine air intake, electrical issues, and power steering defects. There are several recalls affecting critical systems but relatively few owner complaints, suggesting these are relatively isolated issues.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Power steering pump | 20,000–40,000 miles | $1,200–$1,800 | common |
| Instrument cluster | 10,000–30,000 miles | $300–$700 | occasional |
| Window adhesive | 30,000–50,000 miles | $200–$500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 10,000 miles
- Check and replace air filters annually
- Coolant exchange every 30,000 miles
- Brake system inspection annually
- Tire rotation every 5,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Loss of power steering assist
- Instrument cluster blanks out
- Seat loosens or detaches
- Chafed wiring near power seats
- Water buildup in air intake box
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.