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 Mazda 3 Petrol 1999cc has had 14 MOT tests on record, passing 10 and failing 4 (71% pass rate). It has 131,503 miles on the clock, averaging 9,480 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 KT54 SNX
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 | 131,503 miles |
| Reading date | |
| Miles last year | 8,004 |
| Average per year | 9,480 |
| Mileage consistency | Consistent |
Check KT54 SNX
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- Warranty work logged
Full MOT Test History 14 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 | KT54 SNX |
| Make | Mazda |
| Model | 3 |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2004 |
| First registered | |
| Area code | KT — Luton, Luton and Northampton |
| Age identifier | 54 — September 2004 to February 2005 |
More KT54 S plates
Browse all KT54 S registrations from Luton.
About KT54 SNX
What car is KT54 SNX?
KT54 SNX is a blue Mazda 3, petrol (1999cc). First registered in Luton in 2004.
What is the mileage of KT54 SNX?
The last recorded mileage for KT54 SNX was 131,503 miles, recorded on 17 Jul 2017 during its most recent MOT test.
Has KT54 SNX passed its MOT?
KT54 SNX has had 14 MOT tests with a 71% pass rate (10 passes, 4 failures). It last passed on 17 Jul 2017.
Is KT54 SNX ULEZ compliant?
Based on its fuel type and registration year, KT54 SNX is likely not ULEZ compliant. As a petrol vehicle registered in 2004, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is KT54 SNX?
KT54 SNX is approximately 22 years old. Age identifier 54 means registered between 1 September 2004 and 28 February 2005.