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 46,860 miles on the clock, averaging 4,086 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 HD18 NGX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Low mileage| Latest reading | 46,860 miles |
| Reading date | |
| Average per year | 4,086 |
| Mileage consistency | Consistent |
Check HD18 NGX
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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 | HD18 NGX |
| Make | Audi |
| Model | A3 |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | HD — Bournemouth, Hampshire and Dorset |
| Age identifier | 18 — March 2018 to August 2018 |
More HD18 N plates
Browse all HD18 N registrations from Bournemouth.
About HD18 NGX
What car is HD18 NGX?
HD18 NGX is an grey Audi A3, petrol (999cc). First registered in Bournemouth in 2018.
What is the mileage of HD18 NGX?
The last recorded mileage for HD18 NGX was 46,860 miles, recorded on 25 Mar 2026 during its most recent MOT test.
Has HD18 NGX passed its MOT?
HD18 NGX has had 7 MOT tests with an 86% pass rate (6 passes, 1 failure). It last passed on 25 Mar 2026.
Is HD18 NGX ULEZ compliant?
Based on its fuel type and registration year, HD18 NGX 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 HD18 NGX?
HD18 NGX is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.