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 18 MOT tests on record, passing 12 and failing 6 (67% pass rate). It has 94,486 miles on the clock, averaging 7,121 miles per year, 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 SM56 KZX
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
Below average| Latest reading | 94,486 miles |
| Reading date | |
| Miles last year | 1 |
| Average per year | 7,121 |
| Mileage consistency | Variable |
Check SM56 KZX
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- Warranty work logged
Full MOT Test History 18 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 | SM56 KZX |
| Make | Mazda |
| Model | 3 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2006 |
| First registered | |
| Area code | SM — Edinburgh, Scotland |
| Age identifier | 56 — September 2006 to February 2007 |
More SM56 K plates
Browse all SM56 K registrations from Edinburgh.
About SM56 KZX
What car is SM56 KZX?
SM56 KZX is an black Mazda 3, petrol (1999cc). First registered in Edinburgh in 2006.
What is the mileage of SM56 KZX?
The last recorded mileage for SM56 KZX was 94,486 miles, recorded on 28 Oct 2020 during its most recent MOT test.
Has SM56 KZX passed its MOT?
SM56 KZX has had 18 MOT tests with a 67% pass rate (12 passes, 6 failures). It last passed on 28 Oct 2020.
Is SM56 KZX ULEZ compliant?
Based on its fuel type and registration year, SM56 KZX 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 SM56 KZX?
SM56 KZX is approximately 20 years old. Age identifier 56 means registered between 1 September 2006 and 28 February 2007.