Lexus Rx300 vs Lexus Gs300: MOT reliability compared
Updated 05 September 2026.
21.0%
Lexus Rx300 MOT failure rate, 2.1 pts lower than Lexus Gs300
Lexus Rx300 is the more reliable MOT performer: 21.0% of Lexus Rx300 MOTs fail versus 23.1% for Lexus Gs300, a 2.1 point gap.
| Metric | Lexus Rx300 | Lexus Gs300 |
|---|---|---|
| MOT failure rate | 21.0% | 23.1% |
| Tests analysed | 236,697 | 175,987 |
| Most common failure | Brakes (39.3%) | Brakes (29.3%) |
Questions and answers
Which is more reliable, Lexus Rx300 or Lexus Gs300?
Lexus Rx300 is the more reliable MOT performer: 21.0% of Lexus Rx300 MOTs fail versus 23.1% for Lexus Gs300, a 2.1 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 Gs300?
23.1% of Lexus Gs300 MOT tests result in a failure, from 175,987 tests.