A homage to the past and a possible look at the future, the Audi Sport quattro Concept celebrates the 30th birthday of the automaker’s ground-breaking ┬áSport quattro rally car with a high-tech update. Under it’s stubby, but powerful-looking upright form is an all-wheel-drive hybrid drivetrain powered by a twin-turbocharged V8 and electric motor that puts out a combined 690 hp, can accelerate the car to 60 mph in 3.7 seconds, a top speed of 189 mph and operate in all-electric mode around town.