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 2001 Audi A4 Diesel 1896cc has had 17 MOT tests on record, passing 12 and failing 5 (71% pass rate). It has 172,804 miles on the clock, averaging 8,649 miles per year, around the UK average of 7,400.
MOT & Mileage History for EF51 BSO
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 | 172,804 miles |
| Reading date | |
| Average per year | 8,649 |
| Mileage consistency | Variable |
Check EF51 BSO
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Full MOT Test History 17 tests on record
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Vehicle Details
| Registration | EF51 BSO |
| Make | Audi |
| Model | A4 |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1896cc |
| Year | 2001 |
| First registered | |
| Area code | EF — Chelmsford, Essex |
| Age identifier | 51 — September 2001 to February 2002 |
More EF51 B plates
Browse all EF51 B registrations from Chelmsford.
About EF51 BSO
What car is EF51 BSO?
EF51 BSO is an black Audi A4, diesel (1896cc). First registered in Chelmsford in 2001.
What is the mileage of EF51 BSO?
The last recorded mileage for EF51 BSO was 172,804 miles, recorded on 8 May 2019 during its most recent MOT test.
Has EF51 BSO passed its MOT?
EF51 BSO has had 17 MOT tests with a 71% pass rate (12 passes, 5 failures). It last passed on 8 May 2019.
Is EF51 BSO ULEZ compliant?
Based on its fuel type and registration year, EF51 BSO is likely not ULEZ compliant. As a diesel vehicle registered in 2001, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is EF51 BSO?
EF51 BSO is approximately 25 years old. Age identifier 51 means registered between 1 September 2001 and 28 February 2002.