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 2021 Audi A3 S Line 30 Tfsi Mhev S-A Petrol 999cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 53,905 miles on the clock, averaging 5,311 miles per year, below the UK average of 7,400.
MOT & Mileage History for CF21 NYB
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
Below average| Latest reading | 53,905 miles |
| Reading date | |
| Miles last year | 5,955 |
| Average per year | 5,311 |
| Mileage consistency | Consistent |
Check CF21 NYB
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Full MOT Test History 4 tests on record
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | CF21 NYB |
| Make | Audi |
| Model | A3 S Line 30 Tfsi Mhev S-A |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | CF — Cardiff, Cymru (Wales) |
| Age identifier | 21 — March 2021 to August 2021 |
More CF21 N plates
Browse all CF21 N registrations from Cardiff.
About CF21 NYB
What car is CF21 NYB?
CF21 NYB is a grey Audi A3 S Line 30 Tfsi Mhev S-A, petrol (999cc). First registered in Cardiff in 2021.
What is the mileage of CF21 NYB?
The last recorded mileage for CF21 NYB was 53,905 miles, recorded on 15 Jun 2026 during its most recent MOT test.
Has CF21 NYB passed its MOT?
CF21 NYB has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 15 Jun 2026.
Is CF21 NYB ULEZ compliant?
Based on its fuel type and registration year, CF21 NYB 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 CF21 NYB?
CF21 NYB is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.