2021 MINI One: common problems and MOT failures
What MOT testers find on the MINI One first registered in 2021: we looked at the 2,698 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Common 2021 MINI One MOT failures and advisories
The share of 2021 MINI One 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.
- Wipers, windscreen and mirrors9% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Brakes5% 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 electrics3% 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.
Known faults on the 2021 MINI One
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.
- Manual gearbox
Clutch hydraulics and pedal spring
On manual cars the clutch can play up, either from the hydraulics or the pedal return spring.
At the viewing: Feel the clutch pedal on the test drive: it should be smooth and come back up fully.
If it needs doing: Clutch replacement, about £250–£600. ClickMechanic
- Manual gearbox
Jumping out of gear
Some cars jump out of gear, usually first gear at low speed. Adjusting the gear linkage usually fixes it.
At the viewing: Pull away in first several times and check it stays in gear.
- All engines
Paint worn at the door pillar
Door rubbers can wear through the paint on the pillar behind the front doors.
At the viewing: Open the doors and check the paint on the pillar.
Questions to ask the seller before buying a 2021 MINI One
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Has the clutch or its hydraulics had any work?
- Has the gear linkage been adjusted?
- Has any paintwork been done?
- Can I see the service history and receipts for any big jobs?
Looking at a MINI One?
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 MINI One compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2026 | – | Too new for MOT data |
| 2023 | – | Too new for MOT data |
| 2022 | 1,284 | Tyres 27% |
| 2020 | 3,442 | Tyres 25% |
| 2019 | 4,588 | Tyres 28% |
| 2018 | 4,609 | Tyres 29% |
| 2017 | 15,961 | Tyres 33% |
| 2016 | 24,767 | Tyres 32% |
| 2015 | 31,025 | Tyres 30% |
| 2014 | 18,466 | Tyres 30% |
| 2013 | 21,196 | Tyres 31% |
| 2012 | 12,997 | Tyres 30% |
| 2011 | 3,168 | Tyres 33% |
| 2010 | 1,781 | Lights and electrics 33% |
| 2009 | 1,035 | Exhaust and emissions 31% |
| 2008 | 933 | Brakes 35% |
| 2007 | 848 | Lights and electrics 36% |
| 2006 | 589 | Brakes 52% |
| 2005 | 590 | Brakes 54% |
| 2004 | 433 | Brakes 60% |
| 2003 | 270 | Brakes 61% |
| 2002 | 181 | Brakes 62% |
| 2001 | – | 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 MINI One cars first registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score