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 2004 Alfa Romeo 156 Diesel 1910cc has had 8 MOT tests on record, passing 6 and failing 2 (75% pass rate). It has 139,979 miles on the clock, averaging 12,766 miles per year, above the UK average of 7,400.
MOT & Mileage History for RO04 KNN
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 | 139,979 miles |
| Reading date | |
| Miles last year | 10,365 |
| Average per year | 12,766 |
| Mileage consistency | Variable |
Check RO04 KNN
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Full MOT Test History 8 tests on record
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Vehicle Details
| Registration | RO04 KNN |
| Make | Alfa Romeo |
| Model | 156 |
| Colour | Green |
| Fuel type | Diesel |
| Engine | 1910cc |
| Year | 2004 |
| First registered | |
| Area code | RO — Reading, Reading |
| Age identifier | 04 — March 2004 to August 2004 |
More RO04 K plates
Browse all RO04 K registrations from Reading.
About RO04 KNN
What car is RO04 KNN?
RO04 KNN is an green Alfa Romeo 156, diesel (1910cc). First registered in Reading in 2004.
What is the mileage of RO04 KNN?
The last recorded mileage for RO04 KNN was 139,979 miles, recorded on 20 Aug 2012 during its most recent MOT test.
Has RO04 KNN passed its MOT?
RO04 KNN has had 8 MOT tests with a 75% pass rate (6 passes, 2 failures). It last was tested on 20 Aug 2012.
Is RO04 KNN ULEZ compliant?
Based on its fuel type and registration year, RO04 KNN is likely not ULEZ compliant. As a diesel vehicle registered in 2004, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is RO04 KNN?
RO04 KNN is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.