2011 Audi RS5 vs. 2010 BMW M3, 2011 Cadillac CTS-V - Car and Driver

Head into Germany, and go every bit as fast as you want, legally. It’s most often rented by big-time race teams and automakers, but the public is allowed to play on certain days for 23 euros per lap (about $28—plus you get a discount for buying multiple laps). What’s more, German drivers are for the most part alert, educated, and courteous, and every car has to pass a rigorous roadworthiness inspection to keep rusted-out hulks off the autobahns. So, to test the latest challengers to our comparison-test champ, the BMW M3, we flew across the Atlantic, from the land of speed traps to the land of unlimited speed. Facing the M3 for the first time is Audi’s new RS5. Looking to avenge the RS4’s loss to an M3 in a December 2007 comparison test , the RS5 is the latest car to emerge from Audi’s Quattro GmbH skunkworks. Based on the elegantly sleek A5/S5 , the RS5 has its fenders punched out and its snout stuffed full with a 450-hp, 4. 2-liter V-8. All-wheel drive distributes the power to the 275/30R-20 Pirelli P Zero tires while a new seven-speed dual-clutch... Source: www.caranddriver.com