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 11 MOT tests on record, passing 6 and failing 5 (55% pass rate). It has 71,015 miles on the clock, averaging 10,467 miles per year, above 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 SM18 TWD
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 71,015 miles |
| Reading date | |
| Average per year | 10,467 |
| Mileage consistency | Consistent |
Check SM18 TWD
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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 11 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 | SM18 TWD |
| Make | Audi |
| Model | A3 |
| Colour | Red |
| Fuel type | Petrol |
| Engine | 1498cc |
| Year | 2018 |
| First registered | |
| Area code | SM — Edinburgh, Scotland |
| Age identifier | 18 — March 2018 to August 2018 |
More SM18 T plates
Browse all SM18 T registrations from Edinburgh.
About SM18 TWD
What car is SM18 TWD?
SM18 TWD is an red Audi A3, petrol (1498cc). First registered in Edinburgh in 2018.
What is the mileage of SM18 TWD?
The last recorded mileage for SM18 TWD was 71,015 miles, recorded on 7 Aug 2026 during its most recent MOT test.
Has SM18 TWD passed its MOT?
SM18 TWD has had 11 MOT tests with a 55% pass rate (6 passes, 5 failures). It last passed on 7 Aug 2026.
Is SM18 TWD ULEZ compliant?
Based on its fuel type and registration year, SM18 TWD 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 SM18 TWD?
SM18 TWD is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.