2020 BMW X6 diesel: common problems and MOT failures
What MOT testers find on the diesel BMW X6 first registered in 2020 (diesel cars only): we looked at the 2,136 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Common 2020 BMW X6 diesel MOT failures and advisories
The share of 2020 BMW X6 diesel 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.
- Brakes6% 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.
- Suspension3% 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 mirrors3% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- 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 seatbelts2% 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 2020 BMW X6 diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Can I see the service history and receipts for any big jobs?
Looking at a BMW X6?
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 BMW X6 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 | 1,035 | Tyres 23% |
| 2021 | 2,007 | Tyres 24% |
| 2019 | 1,969 | Tyres 23% |
| 2018 | 6,241 | Tyres 25% |
| 2017 | 4,116 | Tyres 25% |
| 2016 | 5,358 | Tyres 26% |
| 2015 | 3,777 | Tyres 26% |
| 2014 | 3,974 | Tyres 30% |
| 2013 | 3,503 | Tyres 30% |
| 2012 | 3,106 | Tyres 30% |
| 2011 | 2,171 | Tyres 27% |
| 2010 | 2,175 | Suspension 30% |
| 2009 | 2,581 | Suspension 32% |
| 2008 | 1,250 | Suspension 33% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of BMW X6 cars first registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score