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 2019 Audi A3 Petrol 1498cc has had 5 MOT tests on record, passing every one. It has 40,001 miles on the clock, averaging 6,475 miles per year, 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 KJ19 SJX
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 | 40,001 miles |
| Reading date | |
| Miles last year | 6,212 |
| Average per year | 6,475 |
| Mileage consistency | Consistent |
Check KJ19 SJX
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- 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.
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
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KJ19 SJX |
| Make | Audi |
| Model | A3 |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1498cc |
| Year | 2019 |
| First registered | |
| Area code | KJ — Northampton, Luton and Northampton |
| Age identifier | 19 — March 2019 to August 2019 |
More KJ19 S plates
Browse all KJ19 S registrations from Northampton.
About KJ19 SJX
What car is KJ19 SJX?
KJ19 SJX is a grey Audi A3, petrol (1498cc). First registered in Northampton in 2019.
What is the mileage of KJ19 SJX?
The last recorded mileage for KJ19 SJX was 40,001 miles, recorded on 18 Jun 2026 during its most recent MOT test.
Has KJ19 SJX passed its MOT?
KJ19 SJX has had 5 MOT tests with an 100% pass rate (5 passes, 0 failures). It last passed on 18 Jun 2026.
Is KJ19 SJX ULEZ compliant?
Based on its fuel type and registration year, KJ19 SJX 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 KJ19 SJX?
KJ19 SJX is approximately 7 years old. Age identifier 19 means registered between 1 March 2019 and 31 August 2019.