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 2007 Mazda 3 Petrol 1999cc has had 19 MOT tests on record, passing 17 and failing 2 (89% pass rate). It has 63,119 miles on the clock, averaging 3,003 miles per year, well below 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 KB07 UNW
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 | 63,119 miles |
| Reading date | |
| Miles last year | 2,119 |
| Average per year | 3,003 |
| Mileage consistency | Variable |
Check KB07 UNW
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- Service interval analysis
- Warranty work logged
Full MOT Test History 19 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 | KB07 UNW |
| Make | Mazda |
| Model | 3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2007 |
| First registered | |
| Area code | KB — Northampton, Luton and Northampton |
| Age identifier | 07 — March 2007 to August 2007 |
More KB07 U plates
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About KB07 UNW
What car is KB07 UNW?
KB07 UNW is a black Mazda 3, petrol (1999cc). First registered in Northampton in 2007.
What is the mileage of KB07 UNW?
The last recorded mileage for KB07 UNW was 63,119 miles, recorded on 3 Oct 2025 during its most recent MOT test.
Has KB07 UNW passed its MOT?
KB07 UNW has had 19 MOT tests with an 89% pass rate (17 passes, 2 failures). It last passed on 3 Oct 2025.
Is KB07 UNW ULEZ compliant?
Based on its fuel type and registration year, KB07 UNW 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 KB07 UNW?
KB07 UNW is approximately 19 years old. Age identifier 07 means registered between 1 March 2007 and 31 August 2007.