2018 Subaru Outback MOT pass rate: 90.4% (1,918 tests)

2018-registered Subaru Outbacks passed 90.4% of 1,918 MOT tests in 2023–2025 — 4.1 points better than all UK cars registered in 2018 (86.4%).
90.4%Pass rate, 2018 cars
104.1Age-adjusted index (100 = average)
1,918Tests analysed
49,314 miMedian mileage at test
90.3% / 90.7%Petrol vs diesel pass rate

Is the 2018 Outback getting worse?

Pass rate of 2018-registered cars across recent test years:

Test yearPass rate
202391.9%
+3.9 vs same-age
202489.6%
+3.4 vs same-age
202589.6%
+4.9 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 2018 Outback

#SystemDefects recordedShare
1Tyres9531.1%
2Brakes7524.6%
3Suspension5217.0%
4Visibility3110.2%
5Lamps, reflectors and electrical equipment3110.2%
6Noise, emissions and leaks72.3%

All Outback years compared

Registration yearTestsPass rateVs same-ageMedian mileage
2015 2,287 82.0% +3.2 pts 84,996
2016 2,236 86.6% +5.3 pts 72,389
2018 (this page) 1,918 90.4% +4.1 pts 49,314
2019 1,752 90.7% +2.3 pts 37,334
Buying a 2018 Outback? Two checks first

FAQs

Is a 2018 Subaru Outback reliable?

2018-registered examples passed 90.4% of their MOT tests (1,918 tests, 2023–2025), +4.1 points versus all UK cars registered in the same year. At roughly 8 years old with a median 49,314 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2018 Outback?

The median tested example shows 49,314 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.