AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2021 Lexus Is 300
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $4,000–$6,500
The 2021 Lexus IS 300 demonstrates a robust performance with only a few complaints and zero recalls. Its reliability is considered above-average with minor issues primarily related to unknown or engine components.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine | 50,000–70,000 miles | $300–$1,200 | occasional |
| brake pads | 30,000–50,000 miles | $150–$300 | common |
| battery | 40,000–60,000 miles | $100–$200 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 5,000 miles
- Brake fluid replacement biennially
- Coolant flush every 30,000 miles
- Transmission fluid change every 60,000 miles
- Tire rotation every 10,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine misfires
- Unusual engine noises
- Vibration when braking
Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.