Just bought a 2016 Q5 tdi. Auto S line with 20 inch wheels.

Pleased with it apart from an issue when speed exceeds 65mph. There is a pulsing vibration that gets faster the faster you go. Not noticeable at slower speeds.

I would usually think with miss shaped tyre or wheel bearing but the pulse is a second on , then a second off...the repeats, rather than a faster thump/thump I would expect from a bearing/tyre.

Tyre shop had a quick look at the tyres and could see nothing wrong. Pressures ok. Only thing he noticed was that it has had a change of tyres already and new ones were well worn, only done 12000 miles.

any ideas before I take to Audi would be appreciated.

thank you