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 Mazda 3 Petrol 1998cc has had 5 MOT tests on record, passing 4 and failing once (80% pass rate). It has 31,581 miles on the clock, averaging 5,193 miles per year, below the UK average of 7,400.
MOT & Mileage History for ST21 XUP
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 31,581 miles |
| Reading date | |
| Miles last year | 2 |
| Average per year | 5,193 |
| Mileage consistency | Consistent |
Check ST21 XUP
- 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 5 tests on record
Similar cars to consider
Buyers comparing the Mazda 3 often also look at these models. Check their MOT history and reliability before deciding:
Explore more about the Mazda 3
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | ST21 XUP |
| Make | Mazda |
| Model | 3 |
| Colour | White |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2021 |
| First registered | |
| Area code | ST — Dundee, Scotland |
| Age identifier | 21 — March 2021 to August 2021 |
More ST21 X plates
Browse all ST21 X registrations from Dundee.
About ST21 XUP
What car is ST21 XUP?
ST21 XUP is an white Mazda 3, petrol (1998cc). First registered in Dundee in 2021.
What is the mileage of ST21 XUP?
The last recorded mileage for ST21 XUP was 31,581 miles, recorded on 22 Jul 2026 during its most recent MOT test.
Has ST21 XUP passed its MOT?
ST21 XUP has had 5 MOT tests with an 80% pass rate (4 passes, 1 failure). It last passed on 22 Jul 2026.
Is ST21 XUP ULEZ compliant?
Based on its fuel type and registration year, ST21 XUP 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 ST21 XUP?
ST21 XUP is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.