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 2018 Audi A3 Petrol 999cc has had 6 MOT tests on record, passing every one. It has 7,212 miles on the clock, averaging 469 miles per year, well below the UK average of 7,400. The 1.0 TFSI engine is known for 1. carbon buildup on intake valves and 2. turbocharger actuator/wastegate linkage failure.
MOT & Mileage History for CD09 LEO
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 | 7,212 miles |
| Reading date | |
| Miles last year | 261 |
| Average per year | 469 |
| Mileage consistency | Consistent |
Check CD09 LEO
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- Plate & colour change history
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- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 6 tests on record
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Reported issues for this Audi A3
These are the most commonly reported problems on Audi A3 models (2012–2020), based on owner reports and workshop data across the UK.
1. Carbon Buildup on Intake Valves
Direct-injection petrol engines like the CHZB lack fuel spray across the intake valves during the induction stroke. Without this natural cleaning action, carbon deposits accumulate on the valve stems and seats, restricting airflow.[2]
2. Turbocharger Actuator/Wastegate Linkage Failure
The actuator linkage connecting the wastegate solenoid to the wastegate valve becomes faulty or loose, causing loss of boost control. Many repair shops misdiagnose this as full turbocharger failure and recommend a costly replacement (€1,000+) when only the actuator arm needs repair (€150).[3]
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | CD09 LEO |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | CD — Cardiff, Cymru (Wales) |
| Age identifier | 09 — March 2009 to August 2009 |
More CD09 L plates
Browse all CD09 L registrations from Cardiff.
About CD09 LEO
What car is CD09 LEO?
CD09 LEO is a black Audi A3, petrol (999cc). First registered in Cardiff in 2018.
What is the mileage of CD09 LEO?
The last recorded mileage for CD09 LEO was 7,212 miles, recorded on 23 Oct 2025 during its most recent MOT test.
Has CD09 LEO passed its MOT?
CD09 LEO has had 6 MOT tests with an 100% pass rate (6 passes, 0 failures). It last passed on 23 Oct 2025.
Is CD09 LEO ULEZ compliant?
Based on its fuel type and registration year, CD09 LEO 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 CD09 LEO?
CD09 LEO is approximately 8 years old. Age identifier 09 means registered between 1 March 2009 and 31 August 2009.