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 9 MOT tests on record, passing 6 and failing 3 (67% pass rate). It has 52,000 miles on the clock, averaging 4,865 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 RJ18 CJY
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 | 52,000 miles |
| Reading date | |
| Miles last year | 1,240 |
| Average per year | 4,865 |
| Mileage consistency | Variable |
Check RJ18 CJY
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- Plate & colour change history
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- Service interval analysis
- Warranty work logged
Full MOT Test History 9 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 | RJ18 CJY |
| Make | Audi |
| Model | A3 |
| Colour | White |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | RJ — Reading, Reading |
| Age identifier | 18 — March 2018 to August 2018 |
More RJ18 C plates
Browse all RJ18 C registrations from Reading.
About RJ18 CJY
What car is RJ18 CJY?
RJ18 CJY is an white Audi A3, petrol (999cc). First registered in Reading in 2018.
What is the mileage of RJ18 CJY?
The last recorded mileage for RJ18 CJY was 52,000 miles, recorded on 21 Jul 2026 during its most recent MOT test.
Has RJ18 CJY passed its MOT?
RJ18 CJY has had 9 MOT tests with a 67% pass rate (6 passes, 3 failures). It last passed on 21 Jul 2026.
Is RJ18 CJY ULEZ compliant?
Based on its fuel type and registration year, RJ18 CJY 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 RJ18 CJY?
RJ18 CJY is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.