Used car guide

2020 Subaru Forester: common problems and what to check

What gets flagged at MOT on 2020 Subaru Foresters, from 226 tests in 2025, plus known faults and what to look at before you buy one.

Small sample: only 226 of these were MOT tested in 2025, so treat the percentages as rough. The known faults below don't depend on it.

226MOT tests in 2025
88%pass first time (all 2020 cars: 86%)
7,900typical miles a year
22%had tyres flagged

What gets flagged at MOT

The share of 2020 Subaru Forester MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    22% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Brakes
    17% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Suspension
    10% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Wipers, windscreen and mirrors
    5% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Lights and electrics
    3% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Oil and fluid leaks
    2% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

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Other years

YearMOT testsMost flagged
2022264Tyres 22%
2021738Tyres 24%
20191,103Tyres 23%
2018921Suspension 23%
2017899Suspension 29%
20161,180Suspension 33%
2015982Suspension 36%
20141,125Suspension 41%
2013809Suspension 45%
2012410Suspension 53%
2011808Suspension 51%
2010690Suspension 58%
2009390Suspension 53%
2008515Suspension 54%
2007766Suspension 45%
2006805Suspension 45%
2005855Suspension 46%
2004702Suspension 46%
2003503Suspension 53%
2002223Suspension 52%
2001191Suspension 47%
2000156Suspension 56%
1999103Suspension 57%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2020 Subaru Foresters registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score