2015 Lexus Is: MOT pass rate and reliability

89.7% of 2015 Lexus Is pass the MOT first time, measured across 2,813 DVSA tests on that model year alone. The average one had covered 88,029 miles.

How the 2015 compares

  • Against all Lexus Is (90.1%, 13,098 tests): -0.4 points
  • Against all 2015 cars (78.3%): +11.4 points
  • National first-time pass rate, all cars and years: 77%

Every Lexus Is model year

Pass rates fall as cars age, so the only fair comparison for a 2015 car is other cars of the same age. The full run for the Lexus Is:

Year Pass rate Tests Avg mileage
2013 84.4% 410 95,781
2014 88% 3,052 97,185
2015 89.7% 2,813 88,029
2016 89.8% 1,984 79,238
2017 92.2% 1,548 63,840
2018 92.8% 1,455 58,230
2019 92.4% 1,156 50,215
2020 93.4% 561 37,900

What this means if you are buying a 2015 Is

The 2015 sits close to the Lexus Is average, so there is no strong model-year signal either way. Judge the individual car on its own history. Check the exact car with the free MOT history checker before you buy, and run its VIN and mileage through our free VIN decoder and clocking check.

What an 11-year-old car fails on

A 2015 car is 11 years old now, and age drives the failure mix more than the badge does. Across all cars tested, these are the categories that actually cause failures:

  • Lights and electrical: 10.36% of all cars tested
  • Suspension: 8.65% of all cars tested
  • Tyres: 6.23% of all cars tested
  • Brakes: 6.1% of all cars tested
  • Visibility: wipers, washers, glass: 4.65% of all cars tested
  • Body, chassis and structure: 3.18% of all cars tested

That is above average, the point where suspension bushes, drop links and exhaust corrosion start showing up as advisories before they become failures. On a 2015 Lexus Is the average at test was 88,029 miles, so treat anything far above that as a car that has worked harder than its peers, and anything far below as one worth checking for the faults that come from standing still.

The strongest year for this model is 2020 at 93.4%, and the weakest in our data is 2013 at 84.4%. That 9.0 point spread across the model's life is why comparing a 2015 car against a newer one tells you very little.

Nearby model years

All Lexus Is MOT data · Every model