AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Acura Rlx
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $5,000–$7,000
The 2018 Acura RLX has an average reliability due to moderate recall frequency, particularly involving the fuel pump. Complaints mainly center around the engine and electrical systems, signaling neither alarming failure rates nor serious issues.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| fuel pump | 60,000–80,000 miles | $500–$1,000 | common |
| electrical system | 50,000–70,000 miles | $200–$800 | common |
| engine coolant system | 70,000–90,000 miles | $150–$500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change
- Tire rotation and alignment
- Brake fluid replacement
- Coolant and system check
- Transmission fluid service
- Battery inspection and service
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine misfires
- Fuel odor indicating leaks
- Intermittent electrical issues
- Decreased fuel efficiency
- Unusual engine noise
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.