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 32 MOT tests on record, passing 21 and failing 11 (66% pass rate). It has 65,671 miles on the clock, averaging 2,542 miles per year, well 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 CF03 BYR
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 | 65,671 miles |
| Reading date | |
| Average per year | 2,542 |
| Mileage consistency | Variable |
Check CF03 BYR
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Full MOT Test History 32 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 | CF03 BYR |
| Make | Vauxhall |
| Model | Astra |
| Colour | Green |
| Fuel type | Petrol |
| Engine | 1598cc |
| Year | 2003 |
| First registered | |
| Area code | CF — Cardiff, Cymru (Wales) |
| Age identifier | 03 — March 2003 to August 2003 |
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About CF03 BYR
What car is CF03 BYR?
CF03 BYR is a green Vauxhall Astra, petrol (1598cc). First registered in Cardiff in 2003.
What is the mileage of CF03 BYR?
The last recorded mileage for CF03 BYR was 65,671 miles, recorded on 13 May 2026 during its most recent MOT test.
Has CF03 BYR passed its MOT?
CF03 BYR has had 32 MOT tests with a 66% pass rate (21 passes, 11 failures). It last passed on 13 May 2026.
Is CF03 BYR ULEZ compliant?
Based on its fuel type and registration year, CF03 BYR 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 CF03 BYR?
CF03 BYR is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.