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 Kia Rio Petrol 1197cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 33,592 miles on the clock, averaging 9,896 miles per year, above the UK average of 7,400.
MOT & Mileage History for MK21 RSO
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
Above average| Latest reading | 33,592 miles |
| Reading date | |
| Miles last year | 9,259 |
| Average per year | 9,896 |
| Mileage consistency | Consistent |
Check MK21 RSO
- 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 4 tests on record
Similar cars to consider
Buyers comparing the Kia Rio often also look at these models. Check their MOT history and reliability before deciding:
Explore more about the Kia Rio
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | MK21 RSO |
| Make | Kia |
| Model | Rio |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1197cc |
| Year | 2021 |
| First registered | |
| Area code | MK — Manchester, Manchester and Merseyside |
| Age identifier | 21 — March 2021 to August 2021 |
More MK21 R plates
Browse all MK21 R registrations from Manchester.
About MK21 RSO
What car is MK21 RSO?
MK21 RSO is an blue Kia Rio, petrol (1197cc). First registered in Manchester in 2021.
What is the mileage of MK21 RSO?
The last recorded mileage for MK21 RSO was 33,592 miles, recorded on 7 Feb 2026 during its most recent MOT test.
Has MK21 RSO passed its MOT?
MK21 RSO has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 7 Feb 2026.
Is MK21 RSO ULEZ compliant?
Based on its fuel type and registration year, MK21 RSO 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 MK21 RSO?
MK21 RSO is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.