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 2015 Audi A3 Petrol 1395cc has had 10 MOT tests on record, passing 9 and failing once (90% pass rate). It has 115,548 miles on the clock, averaging 6,395 miles per year, below the UK average of 7,400. The 1.4 TFSI engine is known for cod (1.4l tfsi ea211).
MOT & Mileage History for HN15 CPU
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
Below average| Latest reading | 115,548 miles |
| Reading date | |
| Miles last year | 7,668 |
| Average per year | 6,395 |
| Mileage consistency | Variable |
Check HN15 CPU
- 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 10 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.
COD (1.4L TFSI EA211)
Coils fail from cylinder-head heat exposure.[1][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 | HN15 CPU |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1395cc |
| Year | 2015 |
| First registered | |
| Area code | HN — Portsmouth, Hampshire and Dorset |
| Age identifier | 15 — March 2015 to August 2015 |
More HN15 C plates
Browse all HN15 C registrations from Portsmouth.
About HN15 CPU
What car is HN15 CPU?
HN15 CPU is an black Audi A3, petrol (1395cc). First registered in Portsmouth in 2015.
What is the mileage of HN15 CPU?
The last recorded mileage for HN15 CPU was 115,548 miles, recorded on 13 Apr 2026 during its most recent MOT test.
Has HN15 CPU passed its MOT?
HN15 CPU has had 10 MOT tests with an 90% pass rate (9 passes, 1 failure). It last passed on 13 Apr 2026.
Is HN15 CPU ULEZ compliant?
Based on its fuel type and registration year, HN15 CPU 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 HN15 CPU?
HN15 CPU is approximately 11 years old. Age identifier 15 means registered between 1 March 2015 and 31 August 2015.