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 40 Tfsi E S-A Hybrid Electric (Clean) 1395cc has had 3 MOT tests on record, passing every one. It has 50,452 miles on the clock, averaging 8,743 miles per year, around the UK average of 7,400.
MOT & Mileage History for KO21 BYX
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
About average| Latest reading | 50,452 miles |
| Reading date | |
| Miles last year | 8,934 |
| Average per year | 8,743 |
| Mileage consistency | Consistent |
Check KO21 BYX
- 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
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | KO21 BYX |
| Make | Audi |
| Model | A3 S Line 40 Tfsi E S-A |
| Colour | White |
| Fuel type | Hybrid Electric (Clean) |
| Engine | 1395cc |
| Year | 2021 |
| First registered | |
| Area code | KO — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KO21 B plates
Browse all KO21 B registrations from Luton.
About KO21 BYX
What car is KO21 BYX?
KO21 BYX is a white Audi A3 S Line 40 Tfsi E S-A, hybrid electric (clean) (1395cc). First registered in Luton in 2021.
What is the mileage of KO21 BYX?
The last recorded mileage for KO21 BYX was 50,452 miles, recorded on 18 Jun 2026 during its most recent MOT test.
Has KO21 BYX passed its MOT?
KO21 BYX has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 18 Jun 2026.
Is KO21 BYX ULEZ compliant?
Based on its fuel type and registration year, KO21 BYX is likely ULEZ compliant. Electric — exempt. This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KO21 BYX?
KO21 BYX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.