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 7 MOT tests on record, passing 6 and failing once (86% pass rate). It has 67,127 miles on the clock, averaging 8,000 miles per year, around 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 SG18 XSC
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
About average| Latest reading | 67,127 miles |
| Reading date | |
| Miles last year | 8,409 |
| Average per year | 8,000 |
| Mileage consistency | Variable |
Check SG18 XSC
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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 7 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 | SG18 XSC |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | SG — Glasgow, Scotland |
| Age identifier | 18 — March 2018 to August 2018 |
More SG18 X plates
Browse all SG18 X registrations from Glasgow.
About SG18 XSC
What car is SG18 XSC?
SG18 XSC is an black Audi A3, petrol (999cc). First registered in Glasgow in 2018.
What is the mileage of SG18 XSC?
The last recorded mileage for SG18 XSC was 67,127 miles, recorded on 1 Nov 2025 during its most recent MOT test.
Has SG18 XSC passed its MOT?
SG18 XSC has had 7 MOT tests with an 86% pass rate (6 passes, 1 failure). It last passed on 1 Nov 2025.
Is SG18 XSC ULEZ compliant?
Based on its fuel type and registration year, SG18 XSC 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 SG18 XSC?
SG18 XSC is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.