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 Mazda 3 Petrol 1998cc has had 11 MOT tests on record, passing 7 and failing 4 (64% pass rate). It has 85,933 miles on the clock, averaging 9,614 miles per year, above the UK average of 7,400. The 2.0L Skyactiv-G engine is known for pe-vps (2.0l skyactiv-g).
MOT & Mileage History for HT66 ONJ
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
Above average| Latest reading | 85,933 miles |
| Reading date | |
| Miles last year | 1 |
| Average per year | 9,614 |
| Mileage consistency | Consistent |
Check HT66 ONJ
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 11 tests on record
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Reported issues for this Mazda 3
These are the most commonly reported problems on Mazda 3 models (2013–2019), based on owner reports and workshop data across the UK.
PE-VPS (2.0L Skyactiv-G)
Transient piston knock from high 14:1 compression.
Explore more about the Mazda 3
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | HT66 ONJ |
| Make | Mazda |
| Model | 3 |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2017 |
| First registered | |
| Area code | HT — Portsmouth, Hampshire and Dorset |
| Age identifier | 66 — September 2016 to February 2017 |
More HT66 O plates
Browse all HT66 O registrations from Portsmouth.
About HT66 ONJ
What car is HT66 ONJ?
HT66 ONJ is an blue Mazda 3, petrol (1998cc). First registered in Portsmouth in 2017.
What is the mileage of HT66 ONJ?
The last recorded mileage for HT66 ONJ was 85,933 miles, recorded on 17 Dec 2025 during its most recent MOT test.
Has HT66 ONJ passed its MOT?
HT66 ONJ has had 11 MOT tests with a 64% pass rate (7 passes, 4 failures). It last passed on 17 Dec 2025.
Is HT66 ONJ ULEZ compliant?
Based on its fuel type and registration year, HT66 ONJ 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 HT66 ONJ?
HT66 ONJ is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.