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 Ford Fiesta Petrol 1242cc has had 7 MOT tests on record, passing every one. It has 18,595 miles on the clock, averaging 1,497 miles per year, well below the UK average of 7,400. The 1.25 Duratec engine is known for 1. coolant thermostat housing.
MOT & Mileage History for ET66 DTN
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
Low mileage| Latest reading | 18,595 miles |
| Reading date | |
| Miles last year | 1,517 |
| Average per year | 1,497 |
| Mileage consistency | Variable |
Check ET66 DTN
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
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- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 7 tests on record
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Reported issues for this Ford Fiesta
These are the most commonly reported problems on Ford Fiesta models (2008–2019), based on owner reports and workshop data across the UK.
1. Coolant thermostat housing (plastic outlet on cylinder head)
Plastic housing cracks or warps, O-ring seal fails, releasing fragments into cooling system.
Common faults, what to check, and what to pay
Explore more about the Ford Fiesta
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | ET66 DTN |
| Make | Ford |
| Model | Fiesta |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1242cc |
| Year | 2017 |
| First registered | |
| Area code | ET — Chelmsford, Essex |
| Age identifier | 66 — September 2016 to February 2017 |
More ET66 D plates
Browse all ET66 D registrations from Chelmsford.
About ET66 DTN
What car is ET66 DTN?
ET66 DTN is an grey Ford Fiesta, petrol (1242cc). First registered in Chelmsford in 2017.
What is the mileage of ET66 DTN?
The last recorded mileage for ET66 DTN was 18,595 miles, recorded on 27 Jan 2026 during its most recent MOT test.
Has ET66 DTN passed its MOT?
ET66 DTN has had 7 MOT tests with an 100% pass rate (7 passes, 0 failures). It last passed on 27 Jan 2026.
Is ET66 DTN ULEZ compliant?
Based on its fuel type and registration year, ET66 DTN 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 ET66 DTN?
ET66 DTN is approximately 9 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.