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 2020 Volkswagen Polo Petrol 999cc has had 4 MOT tests on record, passing every one. It has 4,537 miles on the clock, averaging 685 miles per year, well below 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 NJ20 KDN
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
Low mileage| Latest reading | 4,537 miles |
| Reading date | |
| Miles last year | 658 |
| Average per year | 685 |
| Mileage consistency | Consistent |
Check NJ20 KDN
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
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- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 4 tests on record
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Buyers comparing the Volkswagen Polo often also look at these models. Check their MOT history and reliability before deciding:
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 | NJ20 KDN |
| Make | Volkswagen |
| Model | Polo |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2020 |
| First registered | |
| Area code | NJ — Newcastle, North |
| Age identifier | 20 — March 2020 to August 2020 |
More NJ20 K plates
Browse all NJ20 K registrations from Newcastle.
About NJ20 KDN
What car is NJ20 KDN?
NJ20 KDN is an grey Volkswagen Polo, petrol (999cc). First registered in Newcastle in 2020.
What is the mileage of NJ20 KDN?
The last recorded mileage for NJ20 KDN was 4,537 miles, recorded on 12 Feb 2026 during its most recent MOT test.
Has NJ20 KDN passed its MOT?
NJ20 KDN has had 4 MOT tests with an 100% pass rate (4 passes, 0 failures). It last passed on 12 Feb 2026.
Is NJ20 KDN ULEZ compliant?
Based on its fuel type and registration year, NJ20 KDN 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 NJ20 KDN?
NJ20 KDN is approximately 6 years old. Age identifier 20 means registered between 1 March 2020 and 31 August 2020.