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 Cx-5 Sport Auto Petrol 1998cc has had 2 MOT tests on record, passing every one. It has 29,348 miles on the clock, averaging 8,120 miles per year, around the UK average of 7,400.
MOT & Mileage History for GN21 KNB
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 | 29,348 miles |
| Reading date | |
| Miles last year | 8,449 |
| Average per year | 8,120 |
| Mileage consistency | Consistent |
Check GN21 KNB
- 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 2 tests on record
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Vehicle Details
| Registration | GN21 KNB |
| Make | Mazda |
| Model | Cx-5 Sport Auto |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2021 |
| First registered | |
| Area code | GN — Maidstone, Garden of England |
| Age identifier | 21 — March 2021 to August 2021 |
More GN21 K plates
Browse all GN21 K registrations from Maidstone.
About GN21 KNB
What car is GN21 KNB?
GN21 KNB is a grey Mazda Cx-5 Sport Auto, petrol (1998cc). First registered in Maidstone in 2021.
What is the mileage of GN21 KNB?
The last recorded mileage for GN21 KNB was 29,348 miles, recorded on 23 Jul 2025 during its most recent MOT test.
Has GN21 KNB passed its MOT?
GN21 KNB has had 2 MOT tests with an 100% pass rate (2 passes, 0 failures). It last passed on 23 Jul 2025.
Is GN21 KNB ULEZ compliant?
Based on its fuel type and registration year, GN21 KNB 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 GN21 KNB?
GN21 KNB is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.