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 S Petrol 1998cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 42,417 miles on the clock, averaging 8,113 miles per year, around the UK average of 7,400.
MOT & Mileage History for CN21 XNR
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
About average| Latest reading | 42,417 miles |
| Reading date | |
| Miles last year | 7,711 |
| Average per year | 8,113 |
| Mileage consistency | Consistent |
Check CN21 XNR
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 4 tests on record
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | CN21 XNR |
| Make | Mini |
| Model | Cooper S |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2021 |
| First registered | |
| Area code | CN — Cardiff, Cymru (Wales) |
| Age identifier | 21 — March 2021 to August 2021 |
More CN21 X plates
Browse all CN21 X registrations from Cardiff.
About CN21 XNR
What car is CN21 XNR?
CN21 XNR is a black Mini Cooper S, petrol (1998cc). First registered in Cardiff in 2021.
What is the mileage of CN21 XNR?
The last recorded mileage for CN21 XNR was 42,417 miles, recorded on 10 Apr 2026 during its most recent MOT test.
Has CN21 XNR passed its MOT?
CN21 XNR has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 10 Apr 2026.
Is CN21 XNR ULEZ compliant?
Based on its fuel type and registration year, CN21 XNR 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 CN21 XNR?
CN21 XNR is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.