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 1498cc has had 6 MOT tests on record, passing 5 and failing once (83% pass rate). It has 26,393 miles on the clock, averaging 3,639 miles per year, well below the UK average of 7,400. The 1.5 TFSI engine is known for dada and engine management software / act (active cylinder technology) calibration.
MOT & Mileage History for KJ18 SZC
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 | 26,393 miles |
| Reading date | |
| Miles last year | 7,533 |
| Average per year | 3,639 |
| Mileage consistency | Variable |
Check KJ18 SZC
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- Plate & colour change history
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- 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.
DADA
Engine management software / ACT (Active Cylinder Technology) calibration
Faulty ECU mapping causes poor transition between 2- and 4-cylinder modes, leading to hesitation, juddering, or "kangarooing" (RPM drop/stall risk in 1st gear). Cross-model issue in manuals.[1][2][3][4]
Common faults, what to check, and what to pay
Explore more about the Audi A3
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Vehicle Details
| Registration | KJ18 SZC |
| Make | Audi |
| Model | A3 |
| Colour | White |
| Fuel type | Petrol |
| Engine | 1498cc |
| Year | 2018 |
| First registered | |
| Area code | KJ — Northampton, Luton and Northampton |
| Age identifier | 18 — March 2018 to August 2018 |
More KJ18 S plates
Browse all KJ18 S registrations from Northampton.
About KJ18 SZC
What car is KJ18 SZC?
KJ18 SZC is a white Audi A3, petrol (1498cc). First registered in Northampton in 2018.
What is the mileage of KJ18 SZC?
The last recorded mileage for KJ18 SZC was 26,393 miles, recorded on 21 Nov 2025 during its most recent MOT test.
Has KJ18 SZC passed its MOT?
KJ18 SZC has had 6 MOT tests with an 83% pass rate (5 passes, 1 failure). It last passed on 21 Nov 2025.
Is KJ18 SZC ULEZ compliant?
Based on its fuel type and registration year, KJ18 SZC 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 KJ18 SZC?
KJ18 SZC is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.