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 2017 Mini Cooper Petrol 1499cc has had 9 MOT tests on record, passing 7 and failing 2 (78% pass rate). It has 81,643 miles on the clock, averaging 7,330 miles per year, 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 EF66 OJN
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
Below average| Latest reading | 81,643 miles |
| Reading date | |
| Miles last year | 6,957 |
| Average per year | 7,330 |
| Mileage consistency | Variable |
Check EF66 OJN
- 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 9 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 | EF66 OJN |
| Make | Mini |
| Model | Cooper |
| Colour | Orange |
| Fuel type | Petrol |
| Engine | 1499cc |
| Year | 2017 |
| First registered | |
| Area code | EF — Chelmsford, Essex |
| Age identifier | 66 — September 2016 to February 2017 |
More EF66 O plates
Browse all EF66 O registrations from Chelmsford.
About EF66 OJN
What car is EF66 OJN?
EF66 OJN is an orange Mini Cooper, petrol (1499cc). First registered in Chelmsford in 2017.
What is the mileage of EF66 OJN?
The last recorded mileage for EF66 OJN was 81,643 miles, recorded on 19 Feb 2026 during its most recent MOT test.
Has EF66 OJN passed its MOT?
EF66 OJN has had 9 MOT tests with a 78% pass rate (7 passes, 2 failures). It last passed on 19 Feb 2026.
Is EF66 OJN ULEZ compliant?
Based on its fuel type and registration year, EF66 OJN 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 EF66 OJN?
EF66 OJN is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.