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 2011 Mazda 3 Petrol 1999cc has had 12 MOT tests on record, passing every one. It has 100,709 miles on the clock, averaging 6,291 miles per year, below the UK average of 7,400. The 2.0L LF-VE engine is known for 1. high oil consumption and 2. thermostat failure (stuck open or closed).
MOT & Mileage History for EF11 GCX
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 | 100,709 miles |
| Reading date | |
| Miles last year | 3,759 |
| Average per year | 6,291 |
| Mileage consistency | Variable |
Check EF11 GCX
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- 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.
1. High Oil Consumption (valve stem seals & connecting rod bearings)
Valve stem seals degrade, allowing oil past them into the combustion chamber. Separately, connecting rod bearings can lose oil film and overheat, spinning on the crankshaft journal.[1]
2. Thermostat Failure (stuck open or closed)
Thermostat sticks in the open or closed position, breaking temperature regulation.[1]
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Vehicle Details
| Registration | EF11 GCX |
| Make | Mazda |
| Model | 3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2011 |
| First registered | |
| Area code | EF — Chelmsford, Essex |
| Age identifier | 11 — March 2011 to August 2011 |
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About EF11 GCX
What car is EF11 GCX?
EF11 GCX is an black Mazda 3, petrol (1999cc). First registered in Chelmsford in 2011.
What is the mileage of EF11 GCX?
The last recorded mileage for EF11 GCX was 100,709 miles, recorded on 29 Sep 2025 during its most recent MOT test.
Has EF11 GCX passed its MOT?
EF11 GCX has had 12 MOT tests with an 100% pass rate (12 passes, 0 failures). It last passed on 29 Sep 2025.
Is EF11 GCX ULEZ compliant?
Based on its fuel type and registration year, EF11 GCX 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 EF11 GCX?
EF11 GCX is approximately 15 years old. Age identifier 11 means registered between 1 March 2011 and 31 August 2011.