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 2 and failing once (67% pass rate). It has 56,407 miles on the clock, averaging 4,257 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 GC21 BYX
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
Low mileage| Latest reading | 56,407 miles |
| Reading date | |
| Miles last year | -1 |
| Average per year | 4,257 |
| Mileage consistency | Consistent |
Check GC21 BYX
- 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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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 | GC21 BYX |
| Make | Mini |
| Model | Cooper |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1499cc |
| Year | 2021 |
| First registered | |
| Area code | GC — Maidstone, Garden of England |
| Age identifier | 21 — March 2021 to August 2021 |
More GC21 B plates
Browse all GC21 B registrations from Maidstone.
About GC21 BYX
What car is GC21 BYX?
GC21 BYX is a grey Mini Cooper, petrol (1499cc). First registered in Maidstone in 2021.
What is the mileage of GC21 BYX?
The last recorded mileage for GC21 BYX was 56,407 miles, recorded on 18 May 2026 during its most recent MOT test.
Has GC21 BYX passed its MOT?
GC21 BYX has had 3 MOT tests with a 67% pass rate (2 passes, 1 failure). It last passed on 18 May 2026.
Is GC21 BYX ULEZ compliant?
Based on its fuel type and registration year, GC21 BYX 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 GC21 BYX?
GC21 BYX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.