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 2 and failing once (67% pass rate). It has 23,123 miles on the clock, averaging 7,909 miles per year, around 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 DE21 YNO
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
About average| Latest reading | 23,123 miles |
| Reading date | |
| Average per year | 7,909 |
| Mileage consistency | Consistent |
Check DE21 YNO
- 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
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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 | DE21 YNO |
| Make | Mini |
| Model | Cooper |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1499cc |
| Year | 2021 |
| First registered | |
| Area code | DE — Chester, Deeside to Shrewsbury |
| Age identifier | 21 — March 2021 to August 2021 |
More DE21 Y plates
Browse all DE21 Y registrations from Chester.
About DE21 YNO
What car is DE21 YNO?
DE21 YNO is a blue Mini Cooper, petrol (1499cc). First registered in Chester in 2021.
What is the mileage of DE21 YNO?
The last recorded mileage for DE21 YNO was 23,123 miles, recorded on 9 Feb 2026 during its most recent MOT test.
Has DE21 YNO passed its MOT?
DE21 YNO has had 3 MOT tests with a 67% pass rate (2 passes, 1 failure). It last passed on 9 Feb 2026.
Is DE21 YNO ULEZ compliant?
Based on its fuel type and registration year, DE21 YNO 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 DE21 YNO?
DE21 YNO is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.