2016 Dodge Viper ACR: First Drive - Yahoo Autos (blog)

Such downforce levels are achieved via that giant rear wing and front splitter, but don’t forget the monster rear diffuser at the back that helps suck the car to the ground. To get this level of downforce you must option the $6,000 “Extreme Aero Package,” and in doing so your regular Viper’s top speed of 206 mph drops to a measly 177 mph. In fact, the drag aero efficiency number changes from in the 0. 2s to 0. 54. That’s massive, but for a track-focused car, it’s a sacrifice you’re willing to make in the name of extra cornering speed. If I’m buying a track car that is, in the words of Dodge itself, just about “tolerable on the streets,” I want it to look like a race car from behind the wheel — not just when I’m admiring it from afar. Still, it handles just like a race car. One thing Dodge has stripped from the cabin is all the sound deadening materials, so an already loud car is now positively ear bursting. With such vast downforce figures, you have to be willing to drive into the turn faster than it seems possible. To me, I felt like the ACR boasted considerably better grip than the Corvette Z06 I tested last year (you even hear the diffuser and splitter grinding against the racetrack during heavy braking or in compressions — something I’ve never felt in... Source: www.yahoo.com