Lexus Rx300
Reliability, running costs, and MOT data across 7 years from 6,289 real MOT tests.
Avg Pass Rate
75%
Total Tests
6,289
Best Year
2006 (81%)
Years Covered
7
How reliable is the Lexus Rx300?
Lexus Rx300 by Year
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About the Lexus Rx300
The Lexus Rx300 has been tested 6,289 times in 2024 MOT data across 7 model years (2000 to 2006), with an average pass rate of 75%. That's 7 points below the national average of 82%, so check the year-by-year data carefully before buying. Available as OT and petrol.
Best and Worst Years
The 2006 model is the most reliable with a 81% pass rate from 510 tests. The 2000 model has the lowest at 66%. The 15 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Newer LEXUS RX300s show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Mileage Across Years
The oldest model in our data (2000) averages 118,488 miles, while the newest (2006) averages 116,229 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Compared to the Lexus brand average of 87%, the Rx300 is 12 points lower, placing it among the less reliable Lexus models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.