AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Lexus Rx350
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $5,500–$8,500
The 2018 Lexus RX350 is rated as above-average due to relatively low complaint counts and a single significant recall pertaining to the fuel pump. The model demonstrates fewer issues compared to others in its class, with many complaints being non-recurrent.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| fuel pump | 30,000–60,000 miles | $600–$1,200 | common |
| powertrain | 70,000–90,000 miles | $1,500–$2,500 | occasional |
| brakes | 50,000–70,000 miles | $300–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 10,000 miles
- Brake pad replacement every 50,000 miles
- Coolant flush every 50,000 miles
- Transmission fluid change every 60,000 miles
- Spark plug replacement at 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Rough idling indicating fuel pump issues
- Transmission slipping or unusual noises
- Increased stopping distances or brake pedal noise
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.