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 Seat Ateca Petrol 999cc has had 3 MOT tests on record, passing every one. It has 51,484 miles on the clock, averaging 8,393 miles per year, around the UK average of 7,400.
MOT & Mileage History for YT21 KMX
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
About average| Latest reading | 51,484 miles |
| Reading date | |
| Miles last year | 8,359 |
| Average per year | 8,393 |
| Mileage consistency | Consistent |
Check YT21 KMX
- 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 Seat Ateca often also look at these models. Check their MOT history and reliability before deciding:
Explore more about the Seat Ateca
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | YT21 KMX |
| Make | Seat |
| Model | Ateca |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | YT — Sheffield, Yorkshire |
| Age identifier | 21 — March 2021 to August 2021 |
More YT21 K plates
Browse all YT21 K registrations from Sheffield.
About YT21 KMX
What car is YT21 KMX?
YT21 KMX is a grey Seat Ateca, petrol (999cc). First registered in Sheffield in 2021.
What is the mileage of YT21 KMX?
The last recorded mileage for YT21 KMX was 51,484 miles, recorded on 11 Dec 2025 during its most recent MOT test.
Has YT21 KMX passed its MOT?
YT21 KMX has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 11 Dec 2025.
Is YT21 KMX ULEZ compliant?
Based on its fuel type and registration year, YT21 KMX 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 YT21 KMX?
YT21 KMX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.