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 Bmw M4 Competition Auto Petrol 2993cc has had 3 MOT tests on record, passing every one. It has 22,174 miles on the clock, averaging 3,251 miles per year, well below the UK average of 7,400.
MOT & Mileage History for RO21 BZT
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
Low mileage| Latest reading | 22,174 miles |
| Reading date | |
| Miles last year | 2,429 |
| Average per year | 3,251 |
| Mileage consistency | Consistent |
Check RO21 BZT
- 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 Bmw M4 Competition Auto
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Vehicle Details
| Registration | RO21 BZT |
| Make | Bmw |
| Model | M4 Competition Auto |
| Colour | White |
| Fuel type | Petrol |
| Engine | 2993cc |
| Year | 2021 |
| First registered | |
| Area code | RO — Reading, Reading |
| Age identifier | 21 — March 2021 to August 2021 |
More RO21 B plates
Browse all RO21 B registrations from Reading.
About RO21 BZT
What car is RO21 BZT?
RO21 BZT is an white Bmw M4 Competition Auto, petrol (2993cc). First registered in Reading in 2021.
What is the mileage of RO21 BZT?
The last recorded mileage for RO21 BZT was 22,174 miles, recorded on 16 Feb 2026 during its most recent MOT test.
Has RO21 BZT passed its MOT?
RO21 BZT has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 16 Feb 2026.
Is RO21 BZT ULEZ compliant?
Based on its fuel type and registration year, RO21 BZT 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 RO21 BZT?
RO21 BZT is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.