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 Volkswagen Polo Diesel 1422cc has had 13 MOT tests on record, passing 7 and failing 6 (54% pass rate). It has 113,237 miles on the clock, averaging 5,354 miles per year, below the UK average of 7,400. The 1.4 TDI engine is known for 1. oil pump chain & balance shaft chain wear / failure and 2. injector unit (pd pump–dooer) wear & electrical failure. Common Volkswagen Polo issues include engine-specific faults and brake pad and disc wear:.
MOT & Mileage History for RK04 XZA
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Below average| Latest reading | 113,237 miles |
| Reading date | |
| Miles last year | 53 |
| Average per year | 5,354 |
| Mileage consistency | Variable |
Check RK04 XZA
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Full MOT Test History 13 tests on record
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Reported issues for this Volkswagen Polo
These are the most commonly reported problems on Volkswagen Polo models (2002–2009), based on owner reports and workshop data across the UK.
Engine-specific faults
Brake pad and disc wear:
Tyre wear and replacement:
Spark plug replacement:
1. Oil Pump Chain & Balance Shaft Chain Wear / Failure
The chain driving the oil pump and balance shaft (where fitted) is undersized for the loads imposed by the three-cylinder engine's unbalanced firing impulses. Early models are particularly vulnerable; chain tensioner wear allows excessive slack, leading to chain stretch, skip, or catastrophic failure[1].
2. Injector Unit (PD Pump–Dooer) Wear & Electrical Failure
Worn plunger seals allow diesel and engine oil to mix; electrical spools fail (sticking or electrical contact wear). These are high-wear components under the extreme pressures of the PD system[1].
Common faults, what to check, and what to pay
Explore more about the Volkswagen Polo
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | RK04 XZA |
| Make | Volkswagen |
| Model | Polo |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1422cc |
| Year | 2004 |
| First registered | |
| Area code | RK — Reading, Reading |
| Age identifier | 04 — March 2004 to August 2004 |
More RK04 X plates
Browse all RK04 X registrations from Reading.
About RK04 XZA
What car is RK04 XZA?
RK04 XZA is an black Volkswagen Polo, diesel (1422cc). First registered in Reading in 2004.
What is the mileage of RK04 XZA?
The last recorded mileage for RK04 XZA was 113,237 miles, recorded on 2 Nov 2017 during its most recent MOT test.
Has RK04 XZA passed its MOT?
RK04 XZA has had 13 MOT tests with a 54% pass rate (7 passes, 6 failures). It last passed on 2 Nov 2017.
Is RK04 XZA ULEZ compliant?
Based on its fuel type and registration year, RK04 XZA is likely not ULEZ compliant. As a diesel vehicle registered in 2004, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is RK04 XZA?
RK04 XZA is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.