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 2003 Volkswagen Polo Diesel 1422cc has had 26 MOT tests on record, passing 20 and failing 6 (77% pass rate). It has 81,395 miles on the clock, averaging 3,623 miles per year, well 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 WM03 NNX
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
Low mileage| Latest reading | 81,395 miles |
| Reading date | |
| Miles last year | 2,411 |
| Average per year | 3,623 |
| Mileage consistency | Variable |
Check WM03 NNX
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- Service interval analysis
- Warranty work logged
Full MOT Test History 26 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 | WM03 NNX |
| Make | Volkswagen |
| Model | Polo |
| Colour | Silver |
| Fuel type | Diesel |
| Engine | 1422cc |
| Year | 2003 |
| First registered | |
| Area code | WM — Bristol, West of England |
| Age identifier | 03 — March 2003 to August 2003 |
More WM03 N plates
Browse all WM03 N registrations from Bristol.
About WM03 NNX
What car is WM03 NNX?
WM03 NNX is a silver Volkswagen Polo, diesel (1422cc). First registered in Bristol in 2003.
What is the mileage of WM03 NNX?
The last recorded mileage for WM03 NNX was 81,395 miles, recorded on 28 Feb 2026 during its most recent MOT test.
Has WM03 NNX passed its MOT?
WM03 NNX has had 26 MOT tests with a 77% pass rate (20 passes, 6 failures). It last passed on 28 Feb 2026.
Is WM03 NNX ULEZ compliant?
Based on its fuel type and registration year, WM03 NNX is likely not ULEZ compliant. As a diesel vehicle registered in 2003, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is WM03 NNX?
WM03 NNX is approximately 23 years old. Age identifier 03 means registered between 1 March 2003 and 31 August 2003.