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 18 MOT tests on record, passing 12 and failing 6 (67% pass rate). It has 189,558 miles on the clock, averaging 14,165 miles per year, above 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 GD04 NBY
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
Above average| Latest reading | 189,558 miles |
| Reading date | |
| Average per year | 14,165 |
| Mileage consistency | Variable |
Check GD04 NBY
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Full MOT Test History 18 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
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Vehicle Details
| Registration | GD04 NBY |
| Make | Volkswagen |
| Model | Polo |
| Colour | Silver |
| Fuel type | Diesel |
| Engine | 1422cc |
| Year | 2004 |
| First registered | |
| Area code | GD — Maidstone, Garden of England |
| Age identifier | 04 — March 2004 to August 2004 |
More GD04 N plates
Browse all GD04 N registrations from Maidstone.
About GD04 NBY
What car is GD04 NBY?
GD04 NBY is a silver Volkswagen Polo, diesel (1422cc). First registered in Maidstone in 2004.
What is the mileage of GD04 NBY?
The last recorded mileage for GD04 NBY was 189,558 miles, recorded on 4 Oct 2018 during its most recent MOT test.
Has GD04 NBY passed its MOT?
GD04 NBY has had 18 MOT tests with a 67% pass rate (12 passes, 6 failures). It last passed on 4 Oct 2018.
Is GD04 NBY ULEZ compliant?
Based on its fuel type and registration year, GD04 NBY 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 GD04 NBY?
GD04 NBY is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.