2018 Toyota Auris diesel: common problems and MOT failures
What MOT testers find on the diesel Toyota Auris first registered in 2018 (diesel cars only): we looked at the 125 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Small sample: there were only 125 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.
Common 2018 Toyota Auris diesel MOT failures and advisories
The share of 2018 Toyota Auris diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres27% 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.
- Suspension25% 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.
- Brakes19% 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 electrics14% 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 seatbelts1% of testsRough price £80–£250
At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.
Known faults on the 2018 Toyota Auris 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.
- Diesel
Particulate filter (diesel)
Diesels need a fast motorway run every few weeks to clean their particulate filter.
At the viewing: Ask what journeys it does, and watch for a DPF warning.
Source: What Car?: used Toyota Auris (2013-2019) reliability
- All engines
Water in the boot
Failed seals on the rear lights and tailgate can let water into the boot and mist up the windows.
At the viewing: Lift the boot floor and feel the carpet for damp.
Questions to ask the seller before buying a 2018 Toyota Auris diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Has the boot ever been wet?
- Can I see the service history and receipts for any big jobs?
Looking at a Toyota Auris?
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 Toyota Auris compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2019 | 3,694 | Tyres 24% |
| 2017 | 42,377 | Tyres 25% |
| 2016 | 47,048 | Tyres 25% |
| 2015 | 52,043 | Tyres 25% |
| 2014 | 50,746 | Tyres 27% |
| 2013 | 41,166 | Tyres 27% |
| 2012 | 25,104 | Brakes 37% |
| 2011 | 28,047 | Brakes 40% |
| 2010 | 28,528 | Brakes 42% |
| 2009 | 32,234 | Brakes 47% |
| 2008 | 33,710 | Brakes 50% |
| 2007 | 31,593 | Brakes 49% |
| 2006 | 158 | Suspension 42% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Toyota Auris cars first registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score