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 2004 Audi A3 Petrol 3189cc has had 6 MOT tests on record, passing 5 and failing once (83% pass rate). It has 166,055 miles on the clock, averaging 9,861 miles per year, above the UK average of 7,400. The 3.2 V6 engine is known for 1. serpentine belt tensioner failure and 2. increased oil consumption (high-mileage piston ring wear).
MOT & Mileage History for DF55 YST
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
Above average| Latest reading | 166,055 miles |
| Reading date | |
| Miles last year | 7,464 |
| Average per year | 9,861 |
| Mileage consistency | Variable |
Check DF55 YST
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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 (2003–2012), based on owner reports and workshop data across the UK.
1. Serpentine Belt Tensioner Failure
The tensioner fails prematurely, leading to belt slip or complete belt loss.[1]
2. Increased Oil Consumption (High-Mileage Piston Ring Wear)
Worn piston rings allow oil to pass into the combustion chamber, increasing oil consumption dramatically.[2]
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | DF55 YST |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 3189cc |
| Year | 2004 |
| First registered | |
| Area code | DF — Chester, Deeside to Shrewsbury |
| Age identifier | 55 — September 2005 to February 2006 |
More DF55 Y plates
Browse all DF55 Y registrations from Chester.
About DF55 YST
What car is DF55 YST?
DF55 YST is a black Audi A3, petrol (3189cc). First registered in Chester in 2004.
What is the mileage of DF55 YST?
The last recorded mileage for DF55 YST was 166,055 miles, recorded on 1 Sep 2017 during its most recent MOT test.
Has DF55 YST passed its MOT?
DF55 YST has had 6 MOT tests with an 83% pass rate (5 passes, 1 failure). It last passed on 1 Sep 2017.
Is DF55 YST ULEZ compliant?
Based on its fuel type and registration year, DF55 YST is likely not ULEZ compliant. As a petrol vehicle registered in 2004, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is DF55 YST?
DF55 YST is approximately 22 years old. Age identifier 55 means registered between 1 September 2005 and 28 February 2006.