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 28,621 miles on the clock, averaging 5,763 miles per year, 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 SJ20 WGZ
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 | 28,621 miles |
| Reading date | |
| Miles last year | 6,362 |
| Average per year | 5,763 |
| Mileage consistency | Consistent |
Check SJ20 WGZ
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- Plate & colour change history
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- 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 | SJ20 WGZ |
| Make | Volkswagen |
| Model | Polo |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 999cc |
| Year | 2020 |
| First registered | |
| Area code | SJ — Glasgow, Scotland |
| Age identifier | 20 — March 2020 to August 2020 |
More SJ20 W plates
Browse all SJ20 W registrations from Glasgow.
About SJ20 WGZ
What car is SJ20 WGZ?
SJ20 WGZ is an blue Volkswagen Polo, petrol (999cc). First registered in Glasgow in 2020.
What is the mileage of SJ20 WGZ?
The last recorded mileage for SJ20 WGZ was 28,621 miles, recorded on 16 Feb 2026 during its most recent MOT test.
Has SJ20 WGZ passed its MOT?
SJ20 WGZ has had 4 MOT tests with an 100% pass rate (4 passes, 0 failures). It last passed on 16 Feb 2026.
Is SJ20 WGZ ULEZ compliant?
Based on its fuel type and registration year, SJ20 WGZ 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 SJ20 WGZ?
SJ20 WGZ is approximately 6 years old. Age identifier 20 means registered between 1 March 2020 and 31 August 2020.