Lexus Is300
Reliability, running costs, and MOT data across 11 years from 1,415 real MOT tests.
Avg Pass Rate
84%
Total Tests
1,415
Best Year
2018 (100%)
Years Covered
11
How reliable is the Lexus Is300?
Lexus Is300 by Year
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About the Lexus Is300
The Lexus Is300 has been tested 1,415 times in 2024 MOT data across 11 model years (2001 to 2018), with an average pass rate of 84%. That's slightly above the national average of 82%. Available as petrol and hybrid and electric.
Best and Worst Years
The 2018 model is the most reliable with a 100% pass rate from 31 tests. The 2013 model has the lowest at 72%. With a 28 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer LEXUS IS300s 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 (2001) averages 126,707 miles, while the newest (2018) averages 33,082 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.