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 Peugeot 308 Diesel 1500cc has had 2 MOT tests on record, passing every one. It has 40,955 miles on the clock, averaging 9,913 miles per year, above the UK average of 7,400. Common Peugeot 308 issues include component and failure.
MOT & Mileage History for KN21 AUU
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
Above average| Latest reading | 40,955 miles |
| Reading date | |
| Miles last year | 9,555 |
| Average per year | 9,913 |
| Mileage consistency | Consistent |
Check KN21 AUU
- 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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Buyers comparing the Peugeot 308 often also look at these models. Check their MOT history and reliability before deciding:
Reported issues for this Peugeot 308
These are the most commonly reported problems on Peugeot 308 models (2013–2022), based on owner reports and workshop data across the UK.
Component
Failure
Symptoms
Check
Explore more about the Peugeot 308
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Vehicle Details
| Registration | KN21 AUU |
| Make | Peugeot |
| Model | 308 |
| Colour | White |
| Fuel type | Diesel |
| Engine | 1500cc |
| Year | 2021 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KN21 A plates
Browse all KN21 A registrations from Luton.
About KN21 AUU
What car is KN21 AUU?
KN21 AUU is a white Peugeot 308, diesel (1500cc). First registered in Luton in 2021.
What is the mileage of KN21 AUU?
The last recorded mileage for KN21 AUU was 40,955 miles, recorded on 6 Mar 2026 during its most recent MOT test.
Has KN21 AUU passed its MOT?
KN21 AUU has had 2 MOT tests with an 100% pass rate (2 passes, 0 failures). It last passed on 6 Mar 2026.
Is KN21 AUU ULEZ compliant?
Based on its fuel type and registration year, KN21 AUU is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KN21 AUU?
KN21 AUU is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.