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 19 MOT tests on record, passing 15 and failing 4 (79% pass rate). It has 141,660 miles on the clock, averaging 6,602 miles per year, below 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 SO04 SLO
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
Below average| Latest reading | 141,660 miles |
| Reading date | |
| Miles last year | 4 |
| Average per year | 6,602 |
| Mileage consistency | Variable |
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- Warranty work logged
Full MOT Test History 19 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 | SO04 SLO |
| Make | Audi |
| Model | A3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 3189cc |
| Year | 2004 |
| First registered | |
| Area code | SO — Edinburgh, Scotland |
| Age identifier | 04 — March 2004 to August 2004 |
More SO04 S plates
Browse all SO04 S registrations from Edinburgh.
About SO04 SLO
What car is SO04 SLO?
SO04 SLO is an black Audi A3, petrol (3189cc). First registered in Edinburgh in 2004.
What is the mileage of SO04 SLO?
The last recorded mileage for SO04 SLO was 141,660 miles, recorded on 23 Jul 2022 during its most recent MOT test.
Has SO04 SLO passed its MOT?
SO04 SLO has had 19 MOT tests with a 79% pass rate (15 passes, 4 failures). It last passed on 23 Jul 2022.
Is SO04 SLO ULEZ compliant?
Based on its fuel type and registration year, SO04 SLO 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 SO04 SLO?
SO04 SLO is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.