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 2016 Audi A3 Diesel 1968cc has had 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 102,734 miles on the clock, averaging 11,292 miles per year, above the UK average of 7,400. The 2.0 TDI engine is known for dvsa/vosa recall data and audi a3 (8v) owner forums.
MOT & Mileage History for CN66 SEY
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Above average| Latest reading | 102,734 miles |
| Reading date | |
| Miles last year | 10,593 |
| Average per year | 11,292 |
| Mileage consistency | Variable |
Check CN66 SEY
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 8 tests on record
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Reported issues for this Audi A3
These are the most commonly reported problems on Audi A3 models (2012–2020), based on owner reports and workshop data across the UK.
DVSA/VOSA recall data
Audi A3 (8V) owner forums
Common faults, what to check, and what to pay
Explore more about the Audi A3
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | CN66 SEY |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2016 |
| First registered | |
| Area code | CN — Cardiff, Cymru (Wales) |
| Age identifier | 66 — September 2016 to February 2017 |
More CN66 S plates
Browse all CN66 S registrations from Cardiff.
About CN66 SEY
What car is CN66 SEY?
CN66 SEY is a black Audi A3, diesel (1968cc). First registered in Cardiff in 2016.
What is the mileage of CN66 SEY?
The last recorded mileage for CN66 SEY was 102,734 miles, recorded on 1 Sep 2025 during its most recent MOT test.
Has CN66 SEY passed its MOT?
CN66 SEY has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 1 Sep 2025.
Is CN66 SEY ULEZ compliant?
Based on its fuel type and registration year, CN66 SEY 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 CN66 SEY?
CN66 SEY is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.