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 10 MOT tests on record, passing 7 and failing 3 (70% pass rate). It has 86,227 miles on the clock, averaging 8,491 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 CW04 NBX
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
About average| Latest reading | 86,227 miles |
| Reading date | |
| Miles last year | 95 |
| Average per year | 8,491 |
| Mileage consistency | Consistent |
Check CW04 NBX
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 10 tests on record
Similar cars to consider
Buyers comparing the Mazda 3 often also look at these models. Check their MOT history and reliability before deciding:
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.
Explore more about the Mazda 3
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | CW04 NBX |
| Make | Mazda |
| Model | 3 |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 1999cc |
| Year | 2004 |
| First registered | |
| Area code | CW — Bangor, Cymru (Wales) |
| Age identifier | 04 — March 2004 to August 2004 |
More CW04 N plates
Browse all CW04 N registrations from Bangor.
About CW04 NBX
What car is CW04 NBX?
CW04 NBX is a blue Mazda 3, petrol (1999cc). First registered in Bangor in 2004.
What is the mileage of CW04 NBX?
The last recorded mileage for CW04 NBX was 86,227 miles, recorded on 10 Feb 2014 during its most recent MOT test.
Has CW04 NBX passed its MOT?
CW04 NBX has had 10 MOT tests with a 70% pass rate (7 passes, 3 failures). It last passed on 10 Feb 2014.
Is CW04 NBX ULEZ compliant?
Based on its fuel type and registration year, CW04 NBX 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 CW04 NBX?
CW04 NBX is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.