Is the Lexus Gs430 reliable?

The Lexus Gs430 has an average MOT pass rate of 84% across 5 years, based on 541 tests in 2026. That's 2 points above the national average of 82%. The most reliable year is 2001 with a 91% pass rate.

Which year Lexus Gs430 is best?

The 2001 Lexus Gs430 has the highest MOT pass rate at 91%, while the 2006 model has the lowest at 79%. There's a 12 percentage point spread between the best and worst years.

Lexus Gs430

Reliability, running costs, and MOT data across 5 years from 541 real MOT tests.

Avg Pass Rate

84%

Total Tests

541

Best Year

2001 (91%)

Years Covered

About the Lexus Gs430

The Lexus Gs430 has been tested 541 times in 2026 MOT data across 5 model years (2001 to 2006), with an average pass rate of 84%. That's slightly above the national average of 82%. Available as petrol.

Best and Worst Years

The 2001 model is the most reliable with a 91% pass rate from 99 tests. The 2006 model has the lowest at 79%. The 12 point spread between years means reliability varies somewhat, but no year is dramatically different.

Reliability Trend

The LEXUS GS430 has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.

Mileage Across Years

The oldest model in our data (2001) averages 123,832 miles, while the newest (2006) averages 114,262 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.