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 2006 Mazda 3 Petrol 1999cc has had 7 MOT tests on record, passing every one. It has 94,714 miles on the clock, averaging 11,768 miles per year, above 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 KB06 KWJ
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
Above average| Latest reading | 94,714 miles |
| Reading date | |
| Miles last year | 16,431 |
| Average per year | 11,768 |
| Mileage consistency | Variable |
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Full MOT Test History 7 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 | KB06 KWJ |
| Make | Mazda |
| Model | 3 |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2006 |
| First registered | |
| Area code | KB — Northampton, Luton and Northampton |
| Age identifier | 06 — March 2006 to August 2006 |
More KB06 K plates
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About KB06 KWJ
What car is KB06 KWJ?
KB06 KWJ is a silver Mazda 3, petrol (1999cc). First registered in Northampton in 2006.
What is the mileage of KB06 KWJ?
The last recorded mileage for KB06 KWJ was 94,714 miles, recorded on 5 Dec 2015 during its most recent MOT test.
Has KB06 KWJ passed its MOT?
KB06 KWJ has had 7 MOT tests with an 100% pass rate (7 passes, 0 failures). It last passed on 5 Dec 2015.
Is KB06 KWJ ULEZ compliant?
Based on its fuel type and registration year, KB06 KWJ is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KB06 KWJ?
KB06 KWJ is approximately 20 years old. Age identifier 06 means registered between 1 March 2006 and 31 August 2006.