Used car guide

2020 Subaru Forester petrol: common problems and MOT failures

What MOT testers find on the petrol Subaru Forester first registered in 2020 (petrol cars only): we looked at the 147 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 147 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

147MOTs of 2020 petrol cars, done in 2023–2025
84%pass first time (all 2020 cars: 87%)
14,600typical miles a year
16%had tyres flagged

Common 2020 Subaru Forester petrol MOT failures and advisories

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

  • Tyres
    16% 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
    14% 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.

  • Lights and electrics
    13% of testsRough price £10–£80

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

  • 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
    6% of testsRough price £15–£250

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

  • Oil and fluid leaks
    4% 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.

Questions to ask the seller before buying a 2020 Subaru Forester petrol

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Can I see the service history and receipts for any big jobs?

Looking at a Subaru Forester?

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Other years

Every year of the Subaru Forester compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023–Too new for MOT data
2022282Tyres 20%
20211,470Tyres 23%
20193,291Tyres 23%
20182,755Tyres 21%
20172,699Suspension 23%
20163,545Suspension 30%
20152,960Suspension 33%
20143,403Suspension 37%
20132,494Suspension 41%
20121,291Suspension 50%
20112,609Suspension 49%
20102,342Suspension 56%
20091,367Suspension 53%
20081,682Suspension 48%
20072,529Suspension 43%
20062,721Suspension 44%
20052,982Suspension 45%
20042,426Suspension 46%
20031,866Suspension 51%
2002835Suspension 48%
2001669Suspension 47%
2000512Suspension 51%
1999382Suspension 53%
1998199Suspension 48%
1997–Too few tests

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Subaru Forester cars first registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score