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 every one. It has 48,754 miles on the clock, averaging 4,554 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 SB18 XAC
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
Low mileage| Latest reading | 48,754 miles |
| Reading date | |
| Miles last year | 7,632 |
| Average per year | 4,554 |
| Mileage consistency | Consistent |
Check SB18 XAC
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- 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.
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 | SB18 XAC |
| Make | Audi |
| Model | A3 |
| Colour | White |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | SB — Glasgow, Scotland |
| Age identifier | 18 — March 2018 to August 2018 |
More SB18 X plates
Browse all SB18 X registrations from Glasgow.
About SB18 XAC
What car is SB18 XAC?
SB18 XAC is an white Audi A3, petrol (999cc). First registered in Glasgow in 2018.
What is the mileage of SB18 XAC?
The last recorded mileage for SB18 XAC was 48,754 miles, recorded on 20 Jun 2026 during its most recent MOT test.
Has SB18 XAC passed its MOT?
SB18 XAC has had 6 MOT tests with an 100% pass rate (6 passes, 0 failures). It last passed on 20 Jun 2026.
Is SB18 XAC ULEZ compliant?
Based on its fuel type and registration year, SB18 XAC 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 SB18 XAC?
SB18 XAC is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.