Lexus Rx300 vs Lexus Is250: MOT reliability compared
Updated 05 September 2026.
16.8%
Lexus Is250 MOT failure rate, 4.2 pts lower than Lexus Rx300
Lexus Is250 is the more reliable MOT performer: 16.8% of Lexus Is250 MOTs fail versus 21.0% for Lexus Rx300, a 4.2 point gap.
| Metric | Lexus Rx300 | Lexus Is250 |
|---|---|---|
| MOT failure rate | 21.0% | 16.8% |
| Tests analysed | 236,697 | 214,779 |
| Most common failure | Brakes (39.3%) | Tyres (28.7%) |
Questions and answers
Which is more reliable, Lexus Rx300 or Lexus Is250?
Lexus Is250 is the more reliable MOT performer: 16.8% of Lexus Is250 MOTs fail versus 21.0% for Lexus Rx300, a 4.2 point gap.
What is the MOT failure rate of the Lexus Rx300?
21.0% of Lexus Rx300 MOT tests result in a failure, from 236,697 tests.
What is the MOT failure rate of the Lexus Is250?
16.8% of Lexus Is250 MOT tests result in a failure, from 214,779 tests.