Fundamentally, these Audis were well-built cars but there a couple of things to watch out for when shopping for a second-hand one. First, these were very complex cars with lots of standard equipment. So it’s important to make sure every switch, every lever and every button does exactly what it’s supposed to. Check that the air-conditioning blows icy cold and that the cruise-control does, in fact, work. Fixing these problems after the purchase might make the car seem a pretty expensive one.

Mechanically, the biggest thing to watch for is a faulty transmission. The V6 variant of the TT had a six-speed dual-clutch gearbox which is not without some history of problems. So, during the test drive, make sure it shifts promptly and without any hunting issues. It should pick up a gear from Park without hesitation and there should be no noises from the transmission whatsoever. Any jerking during take-off or trouble selecting a gear means you should look for another example without these problems as replacing or rebuilding the transmission will cost a huge percentage of the car’s value.

The Audi TT is one car where the cost of an independent pre-purchase inspection might be a good investment.

Audi has made TT models in both front wheel drive and all wheel drive in the model's history. Apart from some racing cars there haven't been any rear wheel drive models. The 4 wheel drive models are available with petrol engines, while the diesel models are front wheel drive only.

Position four stereo removal tools on the top and bottom corners of the radio, running horizontally rather than vertically. Gently pull outwards on the tools and the radio should slide forward. Release the tools from the locked-in position by depressing the area the tool has locked into, then slide the unit further forward and you can then unplug the radio and the airbag warning light.