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 47,242 miles on the clock, averaging 1,189 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 KT18 NNK
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Low mileage| Latest reading | 47,242 miles |
| Reading date | |
| Miles last year | 1,064 |
| Average per year | 1,189 |
| 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 | KT18 NNK |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | KT — Luton, Luton and Northampton |
| Age identifier | 18 — March 2018 to August 2018 |
More KT18 N plates
Browse all KT18 N registrations from Luton.
About KT18 NNK
What car is KT18 NNK?
KT18 NNK is a black Audi A3, petrol (999cc). First registered in Luton in 2018.
What is the mileage of KT18 NNK?
The last recorded mileage for KT18 NNK was 47,242 miles, recorded on 26 Sep 2025 during its most recent MOT test.
Has KT18 NNK passed its MOT?
KT18 NNK has had 6 MOT tests with an 83% pass rate (5 passes, 1 failure). It last passed on 26 Sep 2025.
Is KT18 NNK ULEZ compliant?
Based on its fuel type and registration year, KT18 NNK 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 KT18 NNK?
KT18 NNK is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.