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 2005 Mazda 3 Petrol 1999cc has had 15 MOT tests on record, passing 12 and failing 3 (80% pass rate). It has 96,166 miles on the clock, averaging 7,434 miles per year, around the UK average of 7,400. The 2.0L LF-DE engine is known for 1. high oil consumption and 2. plastic intake manifold swirlplate fracture.
MOT & Mileage History for KN05 NGZ
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
About average| Latest reading | 96,166 miles |
| Reading date | |
| Average per year | 7,434 |
| Mileage consistency | Consistent |
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- Warranty work logged
Full MOT Test History 15 tests on record
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Reported issues for this Mazda 3
These are the most commonly reported problems on Mazda 3 models (2003–2009), based on owner reports and workshop data across the UK.
1. High Oil Consumption (Valve Stem Seals / Connecting Rod Bearing Wear)
Valve stem seals deteriorate and allow oil to migrate past them into the combustion chamber. Worn connecting rod bearings also elevate oil consumption. This is not a catastrophic failure initially but signals internal wear.
2. Plastic Intake Manifold Swirlplate Fracture
Poor-quality plastic in early manifolds becomes brittle. The swirlplates break off and/or the shaft wears and fractures. Broken pieces can enter the cylinder, causing catastrophic damage if not caught early.
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Vehicle Details
| Registration | KN05 NGZ |
| Make | Mazda |
| Model | 3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2005 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 05 — March 2005 to August 2005 |
More KN05 N plates
Browse all KN05 N registrations from Luton.
About KN05 NGZ
What car is KN05 NGZ?
KN05 NGZ is a black Mazda 3, petrol (1999cc). First registered in Luton in 2005.
What is the mileage of KN05 NGZ?
The last recorded mileage for KN05 NGZ was 96,166 miles, recorded on 1 Sep 2018 during its most recent MOT test.
Has KN05 NGZ passed its MOT?
KN05 NGZ has had 15 MOT tests with an 80% pass rate (12 passes, 3 failures). It last passed on 1 Sep 2018.
Is KN05 NGZ ULEZ compliant?
Based on its fuel type and registration year, KN05 NGZ is likely not ULEZ compliant. As a petrol vehicle registered in 2005, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KN05 NGZ?
KN05 NGZ is approximately 21 years old. Age identifier 05 means registered between 1 March 2005 and 31 August 2005.