2003 Audi RS 6 vs. BMW M5, Jaguar S-type R, MB E55 AMG - Car and Driver (blog)

The pursuit of happiness is something we all share as a Declaration of Independence promise, but the mere existence of cars such as these makes it clear that some of us are inclined to pursue happiness more rapidly than others. The framers of the Declaration couldn't foresee how far this phenomenon would go, but they can be forgiven, toiling, as they were, a long time before the establishment of Audi, BMW, Jaguar, and Mercedes-Benz. Would Thomas Jefferson have idealized an America of self-sufficient yeoman farmers if he'd known that someday there would be a Mercedes E55 AMG. For one thing, a device such as this blitzin' Benz is clearly beyond the economic horizon of simple yeoman farmers. Even a guy who'd never seen an automobile could appreciate these formidable four-doors. For the driver who wants sports-car performance with luxo-sedan convenience and comfort, it doesn't get any better than this. But not better, when better is defined as quicker and more agile. Although they're all fast, with two-ton curb weights no player in this quartet has the moves of a BMW M3. On the other hand, they're close to that standard (the handling guys seem to keep finding ways to enlarge the loopholes in the laws of... Go beyond the Audi RS 6, and you're in the realm of cars with hacienda-size price tags. Source: www.caranddriver.com