AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2011 Lexus Is 350
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $4,500–$7,500
The 2011 Lexus IS 350 demonstrates solid reliability with only a few complaints regarding airbags, vehicle speed control, and engine issues. Overall, issues are minimal, indicating strong reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| airbags | 70,000–100,000 miles | $500–$1,000 | occasional |
| vehicle speed control | 65,000–85,000 miles | $300–$700 | occasional |
| engine | 90,000–120,000 miles | $1,500–$3,000 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Coolant system check
- Transmission fluid service
- Inspect brake pads and rotors
- Replace air filters
- Alignment and tire balance
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Airbag warning light
- Unusual acceleration patterns
- Engine stalling or rough idle
- Check engine light
- Decreased fuel efficiency
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.