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 2018 Volkswagen Polo Petrol 999cc has had 7 MOT tests on record, passing 6 and failing once (86% pass rate). It has 100,030 miles on the clock, averaging 10,127 miles per year, above the UK average of 7,400. The 1.0 TSI engine is known for 1. carbon buildup on intake valves and 2. turbocharger actuator/wastegate linkage failure. Common Volkswagen Polo issues include infotainment system glitches and component affected.
MOT & Mileage History for CA18 NSZ
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 100,030 miles |
| Reading date | |
| Miles last year | 31 |
| Average per year | 10,127 |
| Mileage consistency | Consistent |
Check CA18 NSZ
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- Plate & colour change history
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- Service interval analysis
- Warranty work logged
Full MOT Test History 7 tests on record
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Reported issues for this Volkswagen Polo
These are the most commonly reported problems on Volkswagen Polo models (2017–2024), based on owner reports and workshop data across the UK.
Infotainment System Glitches
Component affected
What goes wrong
Symptoms
1. Carbon Buildup on Intake Valves
Direct-injection petrol engines like the CHZB lack fuel spray across the intake valves during the induction stroke. Without this natural cleaning action, carbon deposits accumulate on the valve stems and seats, restricting airflow.[2]
2. Turbocharger Actuator/Wastegate Linkage Failure
The actuator linkage connecting the wastegate solenoid to the wastegate valve becomes faulty or loose, causing loss of boost control. Many repair shops misdiagnose this as full turbocharger failure and recommend a costly replacement (€1,000+) when only the actuator arm needs repair (€150).[3]
Common faults, what to check, and what to pay
Explore more about the Volkswagen Polo
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | CA18 NSZ |
| Make | Volkswagen |
| Model | Polo |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2018 |
| First registered | |
| Area code | CA — Cardiff, Cymru (Wales) |
| Age identifier | 18 — March 2018 to August 2018 |
More CA18 N plates
Browse all CA18 N registrations from Cardiff.
About CA18 NSZ
What car is CA18 NSZ?
CA18 NSZ is a grey Volkswagen Polo, petrol (999cc). First registered in Cardiff in 2018.
What is the mileage of CA18 NSZ?
The last recorded mileage for CA18 NSZ was 100,030 miles, recorded on 24 Jul 2026 during its most recent MOT test.
Has CA18 NSZ passed its MOT?
CA18 NSZ has had 7 MOT tests with an 86% pass rate (6 passes, 1 failure). It last passed on 24 Jul 2026.
Is CA18 NSZ ULEZ compliant?
Based on its fuel type and registration year, CA18 NSZ 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 CA18 NSZ?
CA18 NSZ is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.