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 2008 Vauxhall Astra Petrol 1998cc has had 23 MOT tests on record, passing 16 and failing 7 (70% pass rate). It has 80,559 miles on the clock, averaging 4,170 miles per year, well below the UK average of 7,400. The 2.0 16v engine is known for component. Common Vauxhall Astra issues include central locking door mechanism and passenger compartment wiring connectors.
MOT & Mileage History for KM57 KNJ
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
Low mileage| Latest reading | 80,559 miles |
| Reading date | |
| Miles last year | 2,631 |
| Average per year | 4,170 |
| Mileage consistency | Variable |
Check KM57 KNJ
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- Plate & colour change history
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- Warranty work logged
Full MOT Test History 23 tests on record
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Reported issues for this Vauxhall Astra
These are the most commonly reported problems on Vauxhall Astra models (1998–2009), based on owner reports and workshop data across the UK.
Central locking door mechanism (driver's door microswitches and lock motors)
Microswitches in driver's door wear out, interrupting central locking signal; lock motors seize from dirt/moisture. · Typical repair: £100-250 (switches £20-50, motors £50-100 + labour).
Passenger compartment wiring connectors (transverse harness under carpet, front-rear junction)
Connectors corrode from wet carpets (leaks or spills), causing glitches in electrics/ECUs. · Typical repair: £150-400 (harness section £50-150 + drying/labour; full harness £300+).
Rear brake calipers (seizing/pistons)
Caliper pistons corrode/seize, causing uneven pad wear. · Typical repair: £200-450 per side (caliper £80-150 + discs/pads/labour).
Front suspension wheel bearings (integrated in hubs)
Bearings wear prematurely due to hub design, especially on pothole-heavy UK roads. · Typical repair: £250-500 per side (hub assembly £100-200 + labour/alignment).
Component
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | KM57 KNJ |
| Make | Vauxhall |
| Model | Astra |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1998cc |
| Year | 2008 |
| First registered | |
| Area code | KM — Luton, Luton and Northampton |
| Age identifier | 57 — September 2007 to February 2008 |
More KM57 K plates
Browse all KM57 K registrations from Luton.
About KM57 KNJ
What car is KM57 KNJ?
KM57 KNJ is a black Vauxhall Astra, petrol (1998cc). First registered in Luton in 2008.
What is the mileage of KM57 KNJ?
The last recorded mileage for KM57 KNJ was 80,559 miles, recorded on 18 Jul 2026 during its most recent MOT test.
Has KM57 KNJ passed its MOT?
KM57 KNJ has had 23 MOT tests with a 70% pass rate (16 passes, 7 failures). It last passed on 18 Jul 2026.
Is KM57 KNJ ULEZ compliant?
Based on its fuel type and registration year, KM57 KNJ is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KM57 KNJ?
KM57 KNJ is approximately 18 years old. Age identifier 57 means registered between 1 September 2007 and 28 February 2008.