Prospeed Motorsport, a known Bulgarian tuner, has built an exact replica of Audi’s monstrous and world-famous Quattro S1 World Rally Championship car using an Audi Coupe.
With a total output of 800-horsepower, the Group B rally car gave Prospeed the Bulgarian Hillclimb Championship victory last year and has recently participated in the Kyustendil Hillclimb which is part of this year’s championship.
Watch and listen to the amazing Rally car around the Bulgarian town of Kyustendil in the video below.