What year Lexus Ls400 is most reliable?

Based on MOT first-test pass rates, the 1999 Lexus Ls400 has the highest pass rate at 79.2%, out of 374 vehicles tested.

What are the most common Lexus Ls400 MOT failures?

The most common Lexus Ls400 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Lexus Ls400 — Reliability by Year

8,329 vehicles · MOT data 1990–2000 · first-test pass rates

This page shows MOT first-test pass rates for each year the Lexus Ls400 was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

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Best pass rate year

1999

79.2% pass rate · 374 vehicles

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Lowest pass rate year

1990

72.4% pass rate · 582 vehicles

Year	Pass rate	Avg mileage	Vehicles
2000	78.8%	120,569 mi	268
1999	79.2%	121,510 mi	374
1998	78.0%	123,975 mi	910
1997	76.0%	121,909 mi	775
1996	75.6%	129,541 mi	959
1995	73.7%	135,910 mi	1,193
1994	73.1%	133,014 mi	807
1993	73.1%	130,063 mi	1,066
1992	72.7%	145,329 mi	704
1991	74.7%	141,721 mi	691
1990	72.4%	153,516 mi	582

Which year Lexus Ls400 is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 120,569 miles (newest year) to 153,516 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Lexus Ls400.

See the buying guide →

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