AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2023 Lexus Is 300
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $1,800–$3,500
The 2023 Lexus IS 300 has no recalls, indicating strong reliability. Owner complaints are minimal, supporting its reputation for durability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| brake rotors | 30,000–60,000 miles | $300–$600 | common |
| radiator | 60,000–90,000 miles | $500–$800 | occasional |
| spark plugs | 60,000–100,000 miles | $150–$300 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil and filter changes
- brake fluid replacement
- tire rotations
- coolant flushes
- spark plug replacement
- air filter replacement
- transmission fluid change
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- brake pedal vibration
- overheating
- reduced fuel efficiency
- weird engine noises
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.