What year Lexus Rx400h is most reliable?

Based on MOT first-test pass rates, the 2009 Lexus Rx400h has the highest pass rate at 85.5%, out of 1,181 vehicles tested.

What are the most common Lexus Rx400h MOT failures?

The most common Lexus Rx400h MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Lexus Rx400h — Reliability by Year

9,618 vehicles · MOT data 2005–2009 · first-test pass rates

This page shows MOT first-test pass rates for each year the Lexus Rx400h 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

2009

85.5% pass rate · 1,181 vehicles

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Lowest pass rate year

2005

81.3% pass rate · 1,157 vehicles

Year	Pass rate	Avg mileage	Vehicles
2009	85.5%	81,507 mi	1,181
2008	84.0%	87,210 mi	2,391
2007	82.3%	92,078 mi	2,781
2006	82.0%	95,334 mi	2,108
2005	81.3%	97,376 mi	1,157

Which year Lexus Rx400h is most reliable?

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

Tests range from an average of 81,507 miles (newest year) to 97,376 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 Rx400h.

See the buying guide →

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