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 2005 Vauxhall Signum Diesel 1910cc has had 13 MOT tests on record, passing 9 and failing 4 (69% pass rate). It has 91,731 miles on the clock, averaging 9,352 miles per year, above the UK average of 7,400.
MOT & Mileage History for KM55 STX
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
Above average| Latest reading | 91,731 miles |
| Reading date | |
| Average per year | 9,352 |
| Mileage consistency | Consistent |
Check KM55 STX
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- Warranty work logged
Full MOT Test History 13 tests on record
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Vehicle Details
| Registration | KM55 STX |
| Make | Vauxhall |
| Model | Signum |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1910cc |
| Year | 2005 |
| First registered | |
| Area code | KM — Luton, Luton and Northampton |
| Age identifier | 55 — September 2005 to February 2006 |
More KM55 S plates
Browse all KM55 S registrations from Luton.
About KM55 STX
What car is KM55 STX?
KM55 STX is a blue Vauxhall Signum, diesel (1910cc). First registered in Luton in 2005.
What is the mileage of KM55 STX?
The last recorded mileage for KM55 STX was 91,731 miles, recorded on 16 Sep 2016 during its most recent MOT test.
Has KM55 STX passed its MOT?
KM55 STX has had 13 MOT tests with a 69% pass rate (9 passes, 4 failures). It last passed on 16 Sep 2016.
Is KM55 STX ULEZ compliant?
Based on its fuel type and registration year, KM55 STX is likely not ULEZ compliant. As a diesel vehicle registered in 2005, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KM55 STX?
KM55 STX is approximately 21 years old. Age identifier 55 means registered between 1 September 2005 and 28 February 2006.