What year Lexus Is300 is most reliable?

Based on MOT first-test pass rates, the 2003 Lexus Is300 has the highest pass rate at 80.9%, out of 424 vehicles tested.

What are the most common Lexus Is300 MOT failures?

The most common Lexus Is300 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Lexus Is300 — Reliability by Year

1,816 vehicles · MOT data 2001–2005 · first-test pass rates

This page shows MOT first-test pass rates for each year the Lexus Is300 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

2003

80.9% pass rate · 424 vehicles

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Lowest pass rate year

2001

76.7% pass rate · 267 vehicles

Year	Pass rate	Avg mileage	Vehicles
2005	79.6%	70,404 mi	102
2004	79.3%	73,750 mi	340
2003	80.9%	76,369 mi	424
2002	78.1%	83,800 mi	683
2001	76.7%	90,758 mi	267

Which year Lexus Is300 is most reliable?

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

Tests range from an average of 70,404 miles (newest year) to 90,758 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 Is300.

See the buying guide →

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