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 6 Diesel 2191cc has had 10 MOT tests on record, passing 7 and failing 3 (70% pass rate). It has 150,511 miles on the clock, averaging 14,356 miles per year, above the UK average of 7,400.
MOT & Mileage History for HT66 ONS
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
Above average| Latest reading | 150,511 miles |
| Reading date | |
| Miles last year | 63 |
| Average per year | 14,356 |
| Mileage consistency | Consistent |
Check HT66 ONS
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 10 tests on record
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Vehicle Details
| Registration | HT66 ONS |
| Make | Mazda |
| Model | 6 |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 2191cc |
| 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 ONS
What car is HT66 ONS?
HT66 ONS is an grey Mazda 6, diesel (2191cc). First registered in Portsmouth in 2017.
What is the mileage of HT66 ONS?
The last recorded mileage for HT66 ONS was 150,511 miles, recorded on 15 Apr 2026 during its most recent MOT test.
Has HT66 ONS passed its MOT?
HT66 ONS has had 10 MOT tests with a 70% pass rate (7 passes, 3 failures). It last passed on 15 Apr 2026.
Is HT66 ONS ULEZ compliant?
Based on its fuel type and registration year, HT66 ONS is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is HT66 ONS?
HT66 ONS is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.