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 2012 Mazda 3 Diesel 1560cc has had 12 MOT tests on record, passing 11 and failing once (92% pass rate). It has 126,302 miles on the clock, averaging 8,909 miles per year, around the UK average of 7,400. The 1.6L Y6 Diesel engine is known for turbocharger (oil supply failure).
MOT & Mileage History for CK12 AEJ
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 | 126,302 miles |
| Reading date | |
| Miles last year | 7,003 |
| Average per year | 8,909 |
| Mileage consistency | Variable |
Check CK12 AEJ
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- Service interval analysis
- Warranty work logged
Full MOT Test History 12 tests on record
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Reported issues for this Mazda 3
These are the most commonly reported problems on Mazda 3 models (2009–2013), based on owner reports and workshop data across the UK.
Turbocharger (oil supply failure)
Insufficient oil supply starves turbo bearings, leading to damage or seizure.
Explore more about the Mazda 3
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | CK12 AEJ |
| Make | Mazda |
| Model | 3 |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1560cc |
| Year | 2012 |
| First registered | |
| Area code | CK — Cardiff, Cymru (Wales) |
| Age identifier | 12 — March 2012 to August 2012 |
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About CK12 AEJ
What car is CK12 AEJ?
CK12 AEJ is a black Mazda 3, diesel (1560cc). First registered in Cardiff in 2012.
What is the mileage of CK12 AEJ?
The last recorded mileage for CK12 AEJ was 126,302 miles, recorded on 25 Sep 2025 during its most recent MOT test.
Has CK12 AEJ passed its MOT?
CK12 AEJ has had 12 MOT tests with an 92% pass rate (11 passes, 1 failure). It last passed on 25 Sep 2025.
Is CK12 AEJ ULEZ compliant?
Based on its fuel type and registration year, CK12 AEJ is likely not ULEZ compliant. As a diesel vehicle registered in 2012, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is CK12 AEJ?
CK12 AEJ is approximately 14 years old. Age identifier 12 means registered between 1 March 2012 and 31 August 2012.