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 Mini One Petrol 1499cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 40,423 miles on the clock, averaging 8,380 miles per year, around the UK average of 7,400. The 1.5 Petrol engine is known for b38a15a and timing chain and guides.
MOT & Mileage History for GM21 HDU
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
About average| Latest reading | 40,423 miles |
| Reading date | |
| Miles last year | 8,764 |
| Average per year | 8,380 |
| Mileage consistency | Consistent |
Check GM21 HDU
- 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 4 tests on record
Reported issues for this Mini One
These are the most commonly reported problems on Mini One models (2014–2024), based on owner reports and workshop data across the UK.
B38A15A
Timing Chain and Guides
Chain stretches prematurely; guides can break.
Explore more about the Mini One
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | GM21 HDU |
| Make | Mini |
| Model | One |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1499cc |
| Year | 2021 |
| First registered | |
| Area code | GM — Maidstone, Garden of England |
| Age identifier | 21 — March 2021 to August 2021 |
More GM21 H plates
Browse all GM21 H registrations from Maidstone.
About GM21 HDU
What car is GM21 HDU?
GM21 HDU is a grey Mini One, petrol (1499cc). First registered in Maidstone in 2021.
What is the mileage of GM21 HDU?
The last recorded mileage for GM21 HDU was 40,423 miles, recorded on 30 Jun 2026 during its most recent MOT test.
Has GM21 HDU passed its MOT?
GM21 HDU has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 30 Jun 2026.
Is GM21 HDU ULEZ compliant?
Based on its fuel type and registration year, GM21 HDU 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 GM21 HDU?
GM21 HDU is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.