6 cylinders. Big
AO Silver Member
Join Date: Jun 2009
Location: United Kingdom
County: West Midlands
Have just put 18s on my 159 and noticed this on the past two mornings. It is as though the girth of the tyre struggles to be pushed/dragged along the tarmac at low speeds.
I heard it this morning, cold road, newly covered tarmac road. Doesn't happen when the car or road is warmer, so I put it down to the change from 215 to 235 tyres.
Mind you, I will be putting new tyres on the front at the weekend, so will see if this changes the situation at all.