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 Ford Focus Diesel 1753cc has had 21 MOT tests on record, passing 13 and failing 8 (62% pass rate). It has 106,550 miles on the clock, averaging 3,168 miles per year, well below the UK average of 7,400. The 1.8 TDdi engine is known for timing belt failure and thermostat housing (plastic flange).
MOT & Mileage History for BT51 ACJ
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Low mileage| Latest reading | 106,550 miles |
| Reading date | |
| Miles last year | 1,763 |
| Average per year | 3,168 |
| Mileage consistency | Consistent |
Check BT51 ACJ
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Full MOT Test History 21 tests on record
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Reported issues for this Ford Focus
These are the most commonly reported problems on Ford Focus models (1998–2004), based on owner reports and workshop data across the UK.
Timing belt failure
Belt snaps, bending exhaust valves (interference engine design).
Thermostat housing (plastic flange)
Plastic deforms/cracks, causing coolant leaks at joint.
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | BT51 ACJ |
| Make | Ford |
| Model | Focus |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1753cc |
| Year | 2001 |
| First registered | |
| Area code | BT — Birmingham, Birmingham |
| Age identifier | 51 — September 2001 to February 2002 |
More BT51 A plates
Browse all BT51 A registrations from Birmingham.
About BT51 ACJ
What car is BT51 ACJ?
BT51 ACJ is a black Ford Focus, diesel (1753cc). First registered in Birmingham in 2001.
What is the mileage of BT51 ACJ?
The last recorded mileage for BT51 ACJ was 106,550 miles, recorded on 10 Nov 2020 during its most recent MOT test.
Has BT51 ACJ passed its MOT?
BT51 ACJ has had 21 MOT tests with a 62% pass rate (13 passes, 8 failures). It last passed on 10 Nov 2020.
Is BT51 ACJ ULEZ compliant?
Based on its fuel type and registration year, BT51 ACJ 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 BT51 ACJ?
BT51 ACJ is approximately 25 years old. Age identifier 51 means registered between 1 September 2001 and 28 February 2002.