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 5 and failing once (83% pass rate). It has 41,415 miles on the clock, averaging 5,119 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 KM68 XBC
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Below average| Latest reading | 41,415 miles |
| Reading date | |
| Average per year | 5,119 |
| Mileage consistency | Consistent |
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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 | KM68 XBC |
| Make | Audi |
| Model | A3 |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | KM — Luton, Luton and Northampton |
| Age identifier | 68 — September 2018 to February 2019 |
More KM68 X plates
Browse all KM68 X registrations from Luton.
About KM68 XBC
What car is KM68 XBC?
KM68 XBC is a grey Audi A3, petrol (999cc). First registered in Luton in 2018.
What is the mileage of KM68 XBC?
The last recorded mileage for KM68 XBC was 41,415 miles, recorded on 21 Jan 2026 during its most recent MOT test.
Has KM68 XBC passed its MOT?
KM68 XBC has had 6 MOT tests with an 83% pass rate (5 passes, 1 failure). It last passed on 21 Jan 2026.
Is KM68 XBC ULEZ compliant?
Based on its fuel type and registration year, KM68 XBC 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 KM68 XBC?
KM68 XBC is approximately 8 years old. Age identifier 68 means registered between 1 September 2018 and 28 February 2019.