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 Diesel 1686cc has had 21 MOT tests on record, passing 16 and failing 5 (76% pass rate). It has 121,736 miles on the clock, averaging 6,833 miles per year, below the UK average of 7,400. Common Vauxhall Astra issues include central locking door mechanism and passenger compartment wiring connectors.
MOT & Mileage History for KN53 BSU
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
Below average| Latest reading | 121,736 miles |
| Reading date | |
| Miles last year | 12,209 |
| Average per year | 6,833 |
| Mileage consistency | Variable |
Check KN53 BSU
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Full MOT Test History 21 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 | KN53 BSU |
| Make | Vauxhall |
| Model | Astra |
| Colour | Green |
| Fuel type | Diesel |
| Engine | 1686cc |
| Year | 2003 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 53 — September 2003 to February 2004 |
More KN53 B plates
Browse all KN53 B registrations from Luton.
About KN53 BSU
What car is KN53 BSU?
KN53 BSU is a green Vauxhall Astra, diesel (1686cc). First registered in Luton in 2003.
What is the mileage of KN53 BSU?
The last recorded mileage for KN53 BSU was 121,736 miles, recorded on 5 Nov 2021 during its most recent MOT test.
Has KN53 BSU passed its MOT?
KN53 BSU has had 21 MOT tests with a 76% pass rate (16 passes, 5 failures). It last passed on 5 Nov 2021.
Is KN53 BSU ULEZ compliant?
Based on its fuel type and registration year, KN53 BSU is likely not ULEZ compliant. As a diesel vehicle registered in 2003, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KN53 BSU?
KN53 BSU is approximately 23 years old. Age identifier 53 means registered between 1 September 2003 and 28 February 2004.