2015 Mazda Mx-5 MOT pass rate: 89.2% (8,720 tests)

2015-registered Mazda Mx-5s passed 89.2% of 8,720 MOT tests in 2023–2025 — 10.5 points better than all UK cars registered in 2015 (78.7%).
89.2%Pass rate, 2015 cars
110.5Age-adjusted index (100 = average)
8,720Tests analysed
36,745 miMedian mileage at test

Is the 2015 Mx-5 getting worse?

Pass rate of 2015-registered cars across recent test years:

Test yearPass rate
202390.5%
+9.9 vs same-age
202488.2%
+9.7 vs same-age
202588.9%
+11.8 vs same-age

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2015 Mx-5

#SystemDefects recordedShare
1Brakes56031.1%
2Suspension40222.3%
3Tyres32918.3%
4Lamps, reflectors and electrical equipment19711.0%
5Visibility1719.5%
6Noise, emissions and leaks874.8%

All Mx-5 years compared

Registration yearTestsPass rateVs same-ageMedian mileage
2001 5,684 70.8% +4.2 pts 86,982
2002 9,244 70.1% +4.4 pts 82,958
2003 11,885 67.6% +2.6 pts 78,199
2004 9,368 68.6% +4.2 pts 77,564
2005 9,568 69.2% +4.7 pts 73,751
2006 18,548 69.9% +5.5 pts 75,796
2007 22,414 73.8% +8.7 pts 72,632
2008 15,776 74.1% +9.0 pts 67,603
2009 12,271 76.6% +10.2 pts 62,694
2010 13,686 78.4% +11.1 pts 57,766
2011 9,996 80.1% +10.9 pts 52,209
2012 9,116 83.4% +12.2 pts 47,648
2013 9,094 84.4% +11.1 pts 44,454
2014 8,356 85.8% +9.9 pts 38,186
2015 (this page) 8,720 89.2% +10.5 pts 36,745
2016 12,087 89.8% +8.5 pts 33,644
2017 13,412 92.7% +8.7 pts 27,424
2018 12,511 93.3% +6.9 pts 23,672
2019 11,826 94.7% +6.4 pts 18,756

Weighing up which year to buy? See the full ranking: Mazda Mx-5 years to avoid.

Buying a 2015 Mx-5? Two checks first

FAQs

Is a 2015 Mazda Mx-5 reliable?

2015-registered examples passed 89.2% of their MOT tests (8,720 tests, 2023–2025), +10.5 points versus all UK cars registered in the same year. At roughly 11 years old with a median 36,745 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2015 Mx-5?

The median tested example shows 36,745 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.