If i didnt do over 20k miles a year i would be in a petrol engine (prob a C63 coupe) you cant beat the sound of a petrol engine but if you do alot of miles then a diesel makes sense. The torque on diesels now days makes them quite appealing too also with the good economy.
E63 M6 - Matte Metallic Blue
, BC Forged HB29's, Eisenmann Race Exhaust - SOLD
Audi RS5 - BMW WHO?