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 A4 Technik 35 Tdi Mhev S-A Diesel 1968cc has had 3 MOT tests on record, passing every one. It has 37,368 miles on the clock, averaging 6,005 miles per year, below the UK average of 7,400.
MOT & Mileage History for CA21 HYX
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
Below average| Latest reading | 37,368 miles |
| Reading date | |
| Miles last year | 7,784 |
| Average per year | 6,005 |
| Mileage consistency | Consistent |
Check CA21 HYX
- 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 3 tests on record
Explore more about the Audi A4 Technik 35 Tdi Mhev S-A
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | CA21 HYX |
| Make | Audi |
| Model | A4 Technik 35 Tdi Mhev S-A |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2021 |
| First registered | |
| Area code | CA — Cardiff, Cymru (Wales) |
| Age identifier | 21 — March 2021 to August 2021 |
More CA21 H plates
Browse all CA21 H registrations from Cardiff.
About CA21 HYX
What car is CA21 HYX?
CA21 HYX is a blue Audi A4 Technik 35 Tdi Mhev S-A, diesel (1968cc). First registered in Cardiff in 2021.
What is the mileage of CA21 HYX?
The last recorded mileage for CA21 HYX was 37,368 miles, recorded on 24 Oct 2025 during its most recent MOT test.
Has CA21 HYX passed its MOT?
CA21 HYX has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 24 Oct 2025.
Is CA21 HYX ULEZ compliant?
Based on its fuel type and registration year, CA21 HYX 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 CA21 HYX?
CA21 HYX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.