Used car guide

2021 Volkswagen Polo Active TSI: common problems and what to check

What gets flagged at MOT on 2021 Volkswagen Polo Active TSIs, from 1,676 tests in 2025, plus known faults and what to look at before you buy one.

1,676MOT tests in 2025
91%pass first time (all 2021 cars: 87%)
6,600typical miles a year
13.3×the usual rate for track rod ends

What stands out

Parts flagged at MOT more often on 2021 Volkswagen Polo Active TSIs than on all cars registered in 2021.

  • Track rod ends13.3× usual
    Volkswagen Polo Active TSI
    4% All 2021 cars
    0.3%

    Failed outright at MOT: 0.2%, against 0.1% of all 2021 cars. The rest were advisories or minor defects.

    Rough price £50–£150 (one end, plus about £30–£50 if it needs a wheel alignment) ClickMechanic

    At the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.

By area

The share of 2021 Volkswagen Polo Active TSI MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    26% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Brakes
    11% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Suspension
    6% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Wipers, windscreen and mirrors
    5% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Lights and electrics
    2% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Seats and seatbelts
    1% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

Known faults

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

  • Three recalls
    All engines

    Recalls covered seatbelt buckles that could unlatch (2018), the handbrake adjuster (2019) and the brake servo on some cars built late 2019 to early 2020.

    At the viewing: Ask a VW dealer to check the VIN.

    Source: Auto Express: used VW Polo Mk6 review

  • Sticking turbo actuator (TSI petrol)
    TSI petrol

    Cars that do very few miles can have the turbo actuator seize, and the usual fix is a rebuilt turbo.

    At the viewing: Check for flat acceleration or a warning light on the test drive.

    Source: Auto Express: used VW Polo Mk6 review

Looking at a Volkswagen Polo Active TSI?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2021 Volkswagen Polo Active TSIs registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score