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 5 MOT tests on record, passing every one. It has 39,810 miles on the clock, averaging 5,873 miles per year, 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 KE15 BAY
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 | 39,810 miles |
| Reading date | |
| Miles last year | 8,487 |
| Average per year | 5,873 |
| Mileage consistency | Consistent |
Check KE15 BAY
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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 5 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 | KE15 BAY |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | KE — Northampton, Luton and Northampton |
| Age identifier | 15 — March 2015 to August 2015 |
More KE15 B plates
Browse all KE15 B registrations from Northampton.
About KE15 BAY
What car is KE15 BAY?
KE15 BAY is a black Audi A3, petrol (999cc). First registered in Northampton in 2018.
What is the mileage of KE15 BAY?
The last recorded mileage for KE15 BAY was 39,810 miles, recorded on 2 Dec 2025 during its most recent MOT test.
Has KE15 BAY passed its MOT?
KE15 BAY has had 5 MOT tests with an 100% pass rate (5 passes, 0 failures). It last passed on 2 Dec 2025.
Is KE15 BAY ULEZ compliant?
Based on its fuel type and registration year, KE15 BAY 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 KE15 BAY?
KE15 BAY is approximately 8 years old. Age identifier 15 means registered between 1 March 2015 and 31 August 2015.