AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2021 Lexus Rx 350
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $5,000–$8,000
The 2021 Lexus RX 350 has an above-average reliability rating based on minimal recalls and low complaint counts. Owners report excellent overall quality.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| brakes | 30,000–50,000 miles | $300–$500 | common |
| battery | 40,000–60,000 miles | $150–$300 | common |
| tires | 25,000–35,000 miles | $600–$800 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change
- Brake fluid replacement
- Cabin air filter change
- Engine air filter replacement
- Inspect suspension components
- Transmission fluid check
- Battery terminal cleaning
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unusual brake noises
- Dashboard warning lights
- Vibration while braking
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.