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 Cooper Petrol 1499cc has had 3 MOT tests on record, passing every one. It has 12,770 miles on the clock, averaging 1,050 miles per year, well below the UK average of 7,400. The 1.5 B38 TwinPower Turbo engine is known for b38a15a and timing chain and guides.
MOT & Mileage History for GM21 HDD
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 | 12,770 miles |
| Reading date | |
| Miles last year | 1,348 |
| Average per year | 1,050 |
| Mileage consistency | Consistent |
Check GM21 HDD
- 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
Similar cars to consider
Buyers comparing the Mini Cooper often also look at these models. Check their MOT history and reliability before deciding:
Reported issues for this Mini Cooper
These are the most commonly reported problems on Mini Cooper models (2014–2023), based on owner reports and workshop data across the UK.
B38A15A
Timing Chain and Guides
Chain stretches prematurely; guides can break.
Common faults, what to check, and what to pay
Explore more about the Mini Cooper
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | GM21 HDD |
| Make | Mini |
| Model | Cooper |
| 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 HDD
What car is GM21 HDD?
GM21 HDD is a grey Mini Cooper, petrol (1499cc). First registered in Maidstone in 2021.
What is the mileage of GM21 HDD?
The last recorded mileage for GM21 HDD was 12,770 miles, recorded on 18 May 2026 during its most recent MOT test.
Has GM21 HDD passed its MOT?
GM21 HDD has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 18 May 2026.
Is GM21 HDD ULEZ compliant?
Based on its fuel type and registration year, GM21 HDD 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 HDD?
GM21 HDD is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.