2018 Subaru Outback petrol: common problems and MOT failures
What MOT testers find on the petrol Subaru Outback first registered in 2018 (petrol cars only): we looked at the 1,459 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2018 Subaru Outback petrol?
Parts flagged at MOT more often on the 2018 Subaru Outback petrol than on all cars registered in 2018.
- Anti-roll bar bushes and joints17.5× usualSubaru Outback3.5% All 2018 cars0.2%
Failed outright at MOT: 0.3%, against 0% of all 2018 cars. The rest were advisories or minor defects.
Rough price £100–£280 (pair of drop links) CheckatradeAt the viewing: Drive slowly over bumps and listen for a knock or rattle from the front. Worn anti-roll bar links are a cheap fix.
- Shock absorbers2.4× usualSubaru Outback5.5% All 2018 cars2.3%
Failed outright at MOT: 0%, against 0.4% of all 2018 cars. The rest were advisories or minor defects.
Rough price £200–£300 (pair, average rear to front) ClickMechanicAt the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.
Common 2018 Subaru Outback petrol MOT failures and advisories
The share of 2018 Subaru Outback petrol MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres23% 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.
- Brakes18% 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.
- Suspension11% 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 mirrors6% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Lights and electrics4% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Seats and seatbelts1% of testsRough price £80–£250
At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.
Questions to ask the seller before buying a 2018 Subaru Outback petrol
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the anti-roll bar bushes and joints? (Flagged at MOT 17.5× as often on the 2018 Subaru Outback petrol as on other cars the same age.)
- Any recent work on the shock absorbers? (Flagged at MOT 2.4× as often on the 2018 Subaru Outback petrol as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Subaru Outback?
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Other years
Every year of the Subaru Outback compared
| Year | MOT tests | Most 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 |
| 2022 | 612 | Tyres 22% |
| 2021 | 1,192 | Tyres 21% |
| 2020 | 740 | Tyres 22% |
| 2019 | 1,746 | Tyres 25% |
| 2017 | 1,386 | Tyres 22% |
| 2016 | 2,242 | Tyres 23% |
| 2015 | 2,297 | Tyres 24% |
| 2014 | 654 | Suspension 31% |
| 2013 | 787 | Suspension 40% |
| 2012 | 884 | Suspension 44% |
| 2011 | 1,465 | Suspension 44% |
| 2010 | 1,329 | Suspension 47% |
| 2009 | 915 | Suspension 53% |
| 2008 | 634 | Suspension 51% |
| 2007 | 1,096 | Suspension 56% |
| 2006 | 1,190 | Suspension 56% |
| 2005 | 798 | Suspension 57% |
| 2004 | 590 | Suspension 57% |
| 2003 | – | 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 Outback cars first registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score