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 16 MOT tests on record, passing 11 and failing 5 (69% pass rate). It has 131,710 miles on the clock, averaging 7,690 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 GU12 HNN
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
About average| Latest reading | 131,710 miles |
| Reading date | |
| Average per year | 7,690 |
| Mileage consistency | Variable |
Check GU12 HNN
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- Warranty work logged
Full MOT Test History 16 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 | GU12 HNN |
| Make | Mazda |
| Model | 3 |
| Colour | White |
| Fuel type | Diesel |
| Engine | 1560cc |
| Year | 2012 |
| First registered | |
| Area code | GU — Brighton, Garden of England |
| Age identifier | 12 — March 2012 to August 2012 |
More GU12 H plates
Browse all GU12 H registrations from Brighton.
About GU12 HNN
What car is GU12 HNN?
GU12 HNN is a white Mazda 3, diesel (1560cc). First registered in Brighton in 2012.
What is the mileage of GU12 HNN?
The last recorded mileage for GU12 HNN was 131,710 miles, recorded on 5 Dec 2024 during its most recent MOT test.
Has GU12 HNN passed its MOT?
GU12 HNN has had 16 MOT tests with a 69% pass rate (11 passes, 5 failures). It last passed on 5 Dec 2024.
Is GU12 HNN ULEZ compliant?
Based on its fuel type and registration year, GU12 HNN 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 GU12 HNN?
GU12 HNN is approximately 14 years old. Age identifier 12 means registered between 1 March 2012 and 31 August 2012.