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 2004 Vauxhall Astra Diesel 1686cc has had 14 MOT tests on record, passing 8 and failing 6 (57% pass rate). It has 131,226 miles on the clock, averaging 6,277 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 AO54 ONJ
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
Below average| Latest reading | 131,226 miles |
| Reading date | |
| Miles last year | 30 |
| Average per year | 6,277 |
| Mileage consistency | Variable |
Check AO54 ONJ
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- Service interval analysis
- Warranty work logged
Full MOT Test History 14 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 | AO54 ONJ |
| Make | Vauxhall |
| Model | Astra |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1686cc |
| Year | 2004 |
| First registered | |
| Area code | AO — Norwich, Anglia |
| Age identifier | 54 — September 2004 to February 2005 |
More AO54 O plates
Browse all AO54 O registrations from Norwich.
About AO54 ONJ
What car is AO54 ONJ?
AO54 ONJ is an blue Vauxhall Astra, diesel (1686cc). First registered in Norwich in 2004.
What is the mileage of AO54 ONJ?
The last recorded mileage for AO54 ONJ was 131,226 miles, recorded on 20 Aug 2015 during its most recent MOT test.
Has AO54 ONJ passed its MOT?
AO54 ONJ has had 14 MOT tests with a 57% pass rate (8 passes, 6 failures). It last passed on 20 Aug 2015.
Is AO54 ONJ ULEZ compliant?
Based on its fuel type and registration year, AO54 ONJ is likely not ULEZ compliant. As a diesel vehicle registered in 2004, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is AO54 ONJ?
AO54 ONJ is approximately 22 years old. Age identifier 54 means registered between 1 September 2004 and 28 February 2005.