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.
MOT & Mileage History for BN21 XOK
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
About average| Latest reading | 39,329 miles |
| Reading date | |
| Miles last year | 10,814 |
| Average per year | 8,062 |
| Mileage consistency | Consistent |
Check BN21 XOK
- 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
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Reported issues for this Audi A4
These are the most commonly reported problems on Audi A4 models (2016–2023), based on owner reports and workshop data across the UK.
1. Timing Chain Tensioner
2. High-Pressure Fuel Pump (HPFP) Seals
Explore more about the Audi A4
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | BN21 XOK |
| Make | Audi |
| Model | A4 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1984cc |
| Year | 2021 |
| First registered | |
| Area code | BN — Birmingham, Birmingham |
| Age identifier | 21 — March 2021 to August 2021 |
More BN21 X plates
Browse all BN21 X registrations from Birmingham.
About BN21 XOK
What car is BN21 XOK?
BN21 XOK is a black Audi A4, petrol (1984cc). First registered in Birmingham in 2021.
What is the mileage of BN21 XOK?
The last recorded mileage for BN21 XOK was 39,329 miles, recorded on 3 Jun 2026 during its most recent MOT test.
Has BN21 XOK passed its MOT?
BN21 XOK has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 3 Jun 2026.
Is BN21 XOK ULEZ compliant?
Based on its fuel type and registration year, BN21 XOK 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 BN21 XOK?
BN21 XOK is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.