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 2003 Vauxhall Astra Petrol 1598cc has had 12 MOT tests on record, passing 7 and failing 5 (58% pass rate). It has 117,118 miles on the clock, averaging 10,424 miles per year, above the UK average of 7,400. Common Vauxhall Astra issues include central locking door mechanism and passenger compartment wiring connectors.
MOT & Mileage History for KN03 XNZ
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 | 117,118 miles |
| Reading date | |
| Miles last year | 8,848 |
| Average per year | 10,424 |
| Mileage consistency | Consistent |
Check KN03 XNZ
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- Plate & colour change history
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- Warranty work logged
Full MOT Test History 12 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).
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | KN03 XNZ |
| Make | Vauxhall |
| Model | Astra |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1598cc |
| Year | 2003 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 03 — March 2003 to August 2003 |
More KN03 X plates
Browse all KN03 X registrations from Luton.
About KN03 XNZ
What car is KN03 XNZ?
KN03 XNZ is a blue Vauxhall Astra, petrol (1598cc). First registered in Luton in 2003.
What is the mileage of KN03 XNZ?
The last recorded mileage for KN03 XNZ was 117,118 miles, recorded on 30 Mar 2015 during its most recent MOT test.
Has KN03 XNZ passed its MOT?
KN03 XNZ has had 12 MOT tests with a 58% pass rate (7 passes, 5 failures). It last passed on 30 Mar 2015.
Is KN03 XNZ ULEZ compliant?
Based on its fuel type and registration year, KN03 XNZ is likely not ULEZ compliant. As a petrol vehicle registered in 2003, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KN03 XNZ?
KN03 XNZ is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.