BMW iX I20 (2021-present) reliability
BMW iX I20 built around 2021: not enough MOT data yet
We've only seen a handful of BMW iX I20 models built around 2021 so far. Too few to spot a pattern yet.
Looking at a BMW iX I20?
Enter its number plate to see its full MOT history, risk rating and running costs.
Key figure
Check a car’s number plate to see its own MOT record, or come back when there’s more MOT history.
Based on 4,486 tests of iX models registered 2021+.
About 1 in 7 electricity iX cars registered in 2022 (14.4%) failed their first MOT.
Based on 4,569 first MOTs (DVSA MOT results, 2025).
I20 fail rate by age
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs. Highest fail rate at 4 years old.
How the iX I20 compares
At each age below, see how the iX I20 holds up against other cars the same age. The averages combine all fuel types.
Based on 107,852 tests across 22 BMW models, built around 2021 (4 years old).
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs.
What to check before viewing
The model's most common MOT issues, turned into things you can ask about or look for.
Independent inspection
High priorityHave an independent specialist inspect the car before you commit.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Registration Plates
Worth checkingInspect the registration plates carefully and ask the seller for repair history.
Vehicle-specific check
Worth checkingCheck the car’s number plate on MOT Wise to see its own MOT history and any recalls for its build years.
Windscreen
If you have timeInspect for chips and cracks in the wiper sweep area (Zone A) — these will fail an MOT.
Other SUVs to compare
Other SUVs, with each one's figures taken at the same age as the iX I20.
- 1
Lexus UX
Same body type, tested at the same age
- Fail rate
- 6%
- Fail, no pass in 3 days
- 0.7%
- Dangerous
- 1.8%
Lower fail rate: 6.0%, against 14.0% for the BMW iX I20, both built around 2021.
4,973 MOT tests on cars built around 2021
- 2
Lexus RX
Same body type, tested at the same age
- Fail rate
- 5.1%
- Fail, no pass in 3 days
- 0.5%
- Dangerous
- 1.7%
- Still registered at 10 years
- 90.4%
Lower fail rate: 5.1%, against 14.0% for the BMW iX I20, both built around 2021.
1,784 MOT tests on cars built around 2021
- 3
Toyota Yaris Cross
Same body type, tested at the same age
- Fail rate
- 7%
- Fail, no pass in 3 days
- 0.6%
- Dangerous
- 1.2%
Lower fail rate: 7.0%, against 14.0% for the BMW iX I20, both built around 2021.
1,425 MOT tests on cars built around 2021
- 4
Suzuki Vitara
Same body type, tested at the same age
- Fail rate
- 7.5%
- Fail, no pass in 3 days
- 0.5%
- Dangerous
- 2%
- Still registered at 10 years
- 95.9%
Lower fail rate: 7.5%, against 14.0% for the BMW iX I20, both built around 2021.
2 critical recall campaigns matching this model/build period.
6,708 MOT tests on cars built around 2021
- Fail rate
- = the share of MOT tests that ended in a fail. Retests count as tests.
- Fail, no pass in 3 days
- = the share of MOT tests that failed and still hadn't passed 3 days later. A fail that passed a retest within 3 days, even the same day, isn't counted.
- Dangerous
- = the share of MOT tests where the tester marked a fault as dangerous. It is against the law to drive the car until it is fixed.
- Still registered at 10 years
- = the share of cars still registered (taxed or declared off the road) 10 years after they were first registered.
Recall context
7 recalls in allAll 7 iX I20 recalls cover cars built in these years.
- 7 recalls
Top concerns
- Replacing the cell module of the High-Voltage battery
- On affected vehicles due to a supplier component production process error a damaged combined charging unit may have been
- A cable bridge connection connecting two circuit boards within the cell supervision circuit (CSC) might not have been in
For the exact car, check GOV.UK's recall checker with the number plate.
Most common issues on BMW iXes of this age
This list covers every BMW iX built around 2021, whichever generation it is. We don't have a defect list for the I20 on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 121.0%Advisory
Tyre worn close to the legal limit or worn on the edge
- 25.1%Advisory
Tyre slightly damaged, cracking or perishing
- 35.1%Advisory
Tyre has a cut that does not reach the ply or cords
- 41.9%Major
Number plate does not meet the rules
- 51.9%Minor
Windscreen damaged, but the driver can still see clearly
Based on 214 tests
Looking at a BMW iX I20?
Enter its number plate to see its full MOT history, risk rating and running costs.
Frequently asked questions
Built around 2021 (4 years old), the BMW iX I20 (2021-present) fails MOTs slightly more often than typical for this age. This is based on 214 4-year-old MOT tests from DVSA data. Each retest counts as a test.