The Mercedes-Benz C63 AMG and its less expensive, less specialist little brother, the diesel fuelled C350 CDi Sport live at different reaches of the same price-list. They're salt and pepper, coffee and cream, scotch and soda. One loud and rambunctious, one coldly efficient. Or are they?
My major driving task for today saw me spending serious miles in both cars, looking for some kind of verdict, I didn't quite know what. After a day in two black leather saddles, what had I learnt?
