Re: 3 sets of tyres, 2 days and 1 Le mans –
Totally agree about the noise change. Fitted 18" ZZ5 fronts to my car recently - noise and grip both much better.
A6 2007 2.0 TDI SE Multitronic from new, 129,000 miles: Black, Xenons, Heated leather, AMI, 18" alloys, sports suspension, DVD Nav, Lumbar, parking sensors all round, MMI High, 6CD, folding rear seats.
Audi A2 2002 TDI owned since 2006, 66,000 miles from new: Azure Blue, OSS, Cruise, Symphony, Lumbar.