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 Porsche 911 Gt3 Petrol 3996cc has had 2 MOT tests on record, passing every one. It has 29,261 miles on the clock, averaging 5,867 miles per year, below the UK average of 7,400.
MOT & Mileage History for MM21 XTH
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
Below average| Latest reading | 29,261 miles |
| Reading date | |
| Miles last year | 5,815 |
| Average per year | 5,867 |
| Mileage consistency | Consistent |
Check MM21 XTH
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- Service interval analysis
- Warranty work logged
Full MOT Test History 2 tests on record
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | MM21 XTH |
| Make | Porsche |
| Model | 911 Gt3 |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 3996cc |
| Year | 2021 |
| First registered | |
| Area code | MM — Manchester, Manchester and Merseyside |
| Age identifier | 21 — March 2021 to August 2021 |
More MM21 X plates
Browse all MM21 X registrations from Manchester.
About MM21 XTH
What car is MM21 XTH?
MM21 XTH is an grey Porsche 911 Gt3, petrol (3996cc). First registered in Manchester in 2021.
What is the mileage of MM21 XTH?
The last recorded mileage for MM21 XTH was 29,261 miles, recorded on 29 Jul 2025 during its most recent MOT test.
Has MM21 XTH passed its MOT?
MM21 XTH has had 2 MOT tests with an 100% pass rate (2 passes, 0 failures). It last passed on 29 Jul 2025.
Is MM21 XTH ULEZ compliant?
Based on its fuel type and registration year, MM21 XTH 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 MM21 XTH?
MM21 XTH is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.