Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2021 Mini Cooper Petrol 1499cc has had 3 MOT tests on record, passing every one. It has 17,443 miles on the clock, averaging 3,852 miles per year, well below the UK average of 7,400. The 1.5 B38 TwinPower Turbo engine is known for b38a15a and timing chain and guides.
MOT & Mileage History for BN21 XJZ
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Low mileage| Latest reading | 17,443 miles |
| Reading date | |
| Miles last year | 3,912 |
| Average per year | 3,852 |
| Mileage consistency | Consistent |
Check BN21 XJZ
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 3 tests on record
Similar cars to consider
Buyers comparing the Mini Cooper often also look at these models. Check their MOT history and reliability before deciding:
Reported issues for this Mini Cooper
These are the most commonly reported problems on Mini Cooper models (2014–2023), based on owner reports and workshop data across the UK.
B38A15A
Timing Chain and Guides
Chain stretches prematurely; guides can break.
Common faults, what to check, and what to pay
Explore more about the Mini Cooper
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | BN21 XJZ |
| Make | Mini |
| Model | Cooper |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1499cc |
| Year | 2021 |
| First registered | |
| Area code | BN — Birmingham, Birmingham |
| Age identifier | 21 — March 2021 to August 2021 |
More BN21 X plates
Browse all BN21 X registrations from Birmingham.
About BN21 XJZ
What car is BN21 XJZ?
BN21 XJZ is a blue Mini Cooper, petrol (1499cc). First registered in Birmingham in 2021.
What is the mileage of BN21 XJZ?
The last recorded mileage for BN21 XJZ was 17,443 miles, recorded on 20 Apr 2026 during its most recent MOT test.
Has BN21 XJZ passed its MOT?
BN21 XJZ has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 20 Apr 2026.
Is BN21 XJZ ULEZ compliant?
Based on its fuel type and registration year, BN21 XJZ is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is BN21 XJZ?
BN21 XJZ is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.