Volkswagen Polo weak points: what to check when buying used
Short answerOn a used Polo the engine and the gearbox decide it. On the older 1.6 MPI (2010–2015) and the 1.2 and 1.4 TSI, listen for a timing chain rattle at a cold start; on the newer 1.6 MPI check the oil use and look for coolant leaks around the plastic housings. On cars with the seven-speed DSG, check for judder when moving off and for jerky shifts. The six-speed automatic of the MPI cars is the simpler box.
Which Polo you are looking at
The Polo hatchback is sold in Europe and many other markets: the Mk5 (2009–2017) and the Mk6 (from 2017). Russia and India had the Polo Sedan (2010–2020), sold in India as the Vento, and Russia later a Polo liftback (from 2020). The petrol engines you will meet most: the older 1.6 MPI (CFNA, 2010–2015, timing chain), the newer 1.6 MPI (CWVA, from 2015, timing belt), the 1.2 TSI and the 1.4 TSI. The gearboxes: manual, a six-speed automatic with the MPI and a seven-speed DSG with the TSI.
Engine: what to check
- Older 1.6 MPI (CFNA): its timing chain is known to stretch, sometimes by about 100,000 km, and the tensioner works only with oil pressure, so a rattle for a few seconds after a cold start is the warning. A knock from the pistons when cold has also been reported on these engines. Ask whether the chain was replaced.
- Newer 1.6 MPI (CWVA): a timing belt with a replacement interval; ask when it was changed. Oil consumption has been reported, and the plastic thermostat and water pump housings can leak. Look for dried coolant crust on the engine and check the level when cold.
- 1.2 and 1.4 TSI (older, chain): chain stretch is the known fault, again with a rattle at a cold start, and the 1.2 can use oil. A stretched chain can jump and damage the engine.
- Cold start: ask for the engine to be cold when you arrive; see Cold start: what to listen for and look at.
Gearbox
- Seven-speed DSG (DQ200, with the TSI): a dry dual-clutch box. Judder when pulling away, jerks in slow traffic, delayed engagement of Drive or Reverse and a flashing gear indicator are the known faults of its clutch and its control unit (mechatronic). Move off and creep in traffic several times, uphill too. Ask for the repair history.
- Six-speed automatic (with the MPI): a conventional automatic; it should shift without jerks or flares. Ask when its fluid was changed.
- Manual: gears without grinding, a clutch that does not slip or judder.
Body, suspension and taxi use
- Taxi and high mileage: the Polo Sedan was a common taxi. A worn driver’s seat, steering wheel and pedals and holes in the roof or the dashboard do not match a low odometer reading.
- Accident repairs: check the paint thickness and the panel gaps; see How to check a car’s paint and accident damage.
- Suspension: knocks from the front over bumps and uneven tyre wear on cars from rough roads.
- Rust: the body is well protected, but check the places where stone chips and old repairs let rust start: the sills, the wheel arches and the bottom of the doors.
Before you pay
Ask a Volkswagen dealer by VIN about open recalls and the service history, including any chain, belt, DSG or warranty repairs. Do the whole inspection from How to check a used car before you buy it and the drive from the used car test drive checklist. Use what you find to negotiate: a chain or a DSG clutch is a known, priced repair.
Quick questions
Which Polo engine is the best used buy?
With an automatic, the newer 1.6 MPI with the six-speed automatic is the simplest combination. Any engine is fine with proof of chain or belt care and normal oil use.
Is the DSG a reason not to buy?
Not on its own, but a box that judders or jerks needs a specialist check, and a clutch or control unit repair costs real money. Ask for the repair history.
How do I hear a stretched timing chain?
Start the engine from cold: a rattle or a chain-like noise for a few seconds after the start is the sign. A warm engine hides it.
The weak spots of your exact car
CarCheckup looks up the known weak spots of the make, model, year and engine you enter and adds them to the checklist as extra steps.
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