The 1999 Dodge Viper welcomes a new member to the muscle-car family: the 1999 Dodge Viper ACR (American Club Racer). This very limited edition (less than 200 were made) hybrid of the GTS is proof once more that Dodge can continue to deliver the unthinkable: more power to its most powerful sports car. That's right, through some engine tweaks and removal of comforts, the 1999 Dodge Viper ACR has managed to shed 60 lbs and gain 10 hp over the Roadster and GTS from the 8.0-liter V10, for a staggering 460 hp! But don’t worry. If you can't get your hands on an 1999 Dodge Viper ACR, the Viper RT/10 Roadster and the Viper GTS are more than enough car for anyone. Both come full of features not available in the early Dodge Viper models, like air conditioning, power windows and locks, and a CD player. With a 0-60 mph consistently in the low 4 seconds, the 1999 Dodge Viper is a car that can give you, and the people trying to catch a glimpse of its beauty from the sidewalk, whiplash. Gas mileage is low, especially city, at 12/21 mpg (city/highway), but how many people buy a Dodge Viper for its efficiency or practicality? The people who have bought 1999 Dodge Vipers are fanatical about the raw power and speed, as well as the rockstar-ish head turning ability that the Viper seems to possess. They generally seem to be in agreement: the Dodge Viper is the greatest street-legal sports car on the market. But they still want more power.