2018 Mitsubishi Outlander diesel: common problems and MOT failures
What MOT testers find on the diesel Mitsubishi Outlander first registered in 2018 (diesel cars only): we looked at the 5,665 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 Mitsubishi Outlander diesel?
Parts flagged at MOT more often on the 2018 Mitsubishi Outlander diesel than on all cars registered in 2018.
- Brake pads1.8× usualMitsubishi Outlander19.2% All 2018 cars10.9%
Failed outright at MOT: 4%, against 2% of all 2018 cars. The rest were advisories or minor defects.
Rough price £75–£175 (one axle) ClickMechanicAt the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.
- Anti-roll bar bushes and joints21.5× usualMitsubishi Outlander4.3% All 2018 cars0.2%
Failed outright at MOT: 1%, 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.
- Rigid brake pipes5.8× usualMitsubishi Outlander2.9% All 2018 cars0.5%
Failed outright at MOT: 0.2%, against 0.1% of all 2018 cars. The rest were advisories or minor defects.
Rough price £100–£400 our estimateAt the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.
- Anti-roll bar link joints5.7× usualMitsubishi Outlander2.3% All 2018 cars0.4%
Failed outright at MOT: 0.6%, against 0.1% of all 2018 cars. The rest were advisories or minor defects.
Rough price £60–£150 (one joint) ClickMechanicAt the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.
Tyre condition: 6.4% here, against 13.6% of all 2018 cars.
Common 2018 Mitsubishi Outlander diesel MOT failures and advisories
The share of 2018 Mitsubishi Outlander diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Brakes27% 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.
- Tyres24% 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.
- Suspension12% 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.
- Lights and electrics5% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Wipers, windscreen and mirrors5% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Seats and seatbelts4% of testsRough price £80–£250
At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.
Known faults on the 2018 Mitsubishi Outlander diesel
Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.
- 2.2 diesel manual
Oil in the clutch (diesel)
Engine oil can get onto the clutch and flywheel of the 2.2 diesel, and both then need replacing, which is expensive.
At the viewing: Feel for clutch slip or judder pulling away.
Source: Auto Express: used Mitsubishi Outlander (Mk3, 2012 on) review
- All engines
Ten recalls
Recalls covered adaptive cruise control (2013), gearbox, brakes, door latches, handbrake corrosion, driver aids and overheating ECUs, plus fuel leaks and starting problems on the PHEV.
At the viewing: Ask a Mitsubishi dealer to check the VIN for outstanding recalls.
Source: Auto Express: used Mitsubishi Outlander (Mk3, 2012 on) review
- All engines
Bluetooth dropping out
Phones disconnecting mid-call is a common complaint.
At the viewing: Pair your phone and make a call.
Source: Auto Express: used Mitsubishi Outlander (Mk3, 2012 on) review
Questions to ask the seller before buying a 2018 Mitsubishi Outlander diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Has the clutch or flywheel been replaced?
- Any recent work on the brake pads? (Flagged at MOT 1.8× as often on the 2018 Mitsubishi Outlander diesel as on other cars the same age.)
- Any recent work on the anti-roll bar bushes and joints? (Flagged at MOT 21.5× as often on the 2018 Mitsubishi Outlander diesel as on other cars the same age.)
- Any recent work on the rigid brake pipes? (Flagged at MOT 5.8× as often on the 2018 Mitsubishi Outlander diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Mitsubishi Outlander?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Mitsubishi Outlander compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2026 | – | Too new for MOT data |
| 2021 | 5,208 | Tyres 25% |
| 2020 | 16,045 | Tyres 25% |
| 2019 | 26,105 | Tyres 26% |
| 2017 | 26,574 | Tyres 25% |
| 2016 | 33,107 | Tyres 26% |
| 2015 | 38,318 | Brakes 30% |
| 2014 | 21,288 | Brakes 34% |
| 2013 | 6,111 | Suspension 46% |
| 2012 | 3,350 | Suspension 53% |
| 2011 | 3,884 | Suspension 57% |
| 2010 | 4,368 | Suspension 58% |
| 2009 | 3,772 | Suspension 63% |
| 2008 | 4,656 | Suspension 64% |
| 2007 | 3,267 | Suspension 65% |
| 2006 | 239 | Suspension 69% |
| 2005 | 432 | Suspension 60% |
| 2004 | 534 | Suspension 63% |
| 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 Mitsubishi Outlander cars first registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score