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 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 52,831 miles on the clock, averaging 3,931 miles per year, well below the UK average of 7,400.
MOT & Mileage History for RK21 OSN
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
Low mileage| Latest reading | 52,831 miles |
| Reading date | |
| Miles last year | 1 |
| Average per year | 3,931 |
| Mileage consistency | Consistent |
Check RK21 OSN
- Write-off & insurance claims Experian
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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 | RK21 OSN |
| Make | Audi |
| Model | A3 S Line 40 Tfsi E S-A |
| Colour | Grey |
| Fuel type | Hybrid Electric (Clean) |
| Engine | 1395cc |
| Year | 2021 |
| First registered | |
| Area code | RK — Reading, Reading |
| Age identifier | 21 — March 2021 to August 2021 |
More RK21 O plates
Browse all RK21 O registrations from Reading.
About RK21 OSN
What car is RK21 OSN?
RK21 OSN is an grey Audi A3 S Line 40 Tfsi E S-A, hybrid electric (clean) (1395cc). First registered in Reading in 2021.
What is the mileage of RK21 OSN?
The last recorded mileage for RK21 OSN was 52,831 miles, recorded on 16 Apr 2026 during its most recent MOT test.
Has RK21 OSN passed its MOT?
RK21 OSN has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 16 Apr 2026.
Is RK21 OSN ULEZ compliant?
Based on its fuel type and registration year, RK21 OSN 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 RK21 OSN?
RK21 OSN is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.