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 Bmw 420d M Sport Mhev Auto Electric Diesel 1995cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 16,838 miles on the clock, averaging 4,350 miles per year, well below the UK average of 7,400.
MOT & Mileage History for KF21 SMX
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
Low mileage| Latest reading | 16,838 miles |
| Reading date | |
| Miles last year | 7,444 |
| Average per year | 4,350 |
| Mileage consistency | Variable |
Check KF21 SMX
- Write-off & insurance claims Experian
- Outstanding finance check Experian
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 4 tests on record
Explore more about the Bmw 420d M Sport Mhev Auto
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Vehicle Details
| Registration | KF21 SMX |
| Make | Bmw |
| Model | 420d M Sport Mhev Auto |
| Colour | Black |
| Fuel type | Electric Diesel |
| Engine | 1995cc |
| Year | 2021 |
| First registered | |
| Area code | KF — Northampton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KF21 S plates
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About KF21 SMX
What car is KF21 SMX?
KF21 SMX is a black Bmw 420d M Sport Mhev Auto, electric diesel (1995cc). First registered in Northampton in 2021.
What is the mileage of KF21 SMX?
The last recorded mileage for KF21 SMX was 16,838 miles, recorded on 10 Aug 2026 during its most recent MOT test.
Has KF21 SMX passed its MOT?
KF21 SMX has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 10 Aug 2026.
Is KF21 SMX ULEZ compliant?
Based on its fuel type and registration year, KF21 SMX is likely ULEZ compliant. Electric — exempt. This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KF21 SMX?
KF21 SMX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.