Light makes right when it comes to any performance car. When light is done as well as the Audi TT ultra quattro concept, it’s very, very right. Billed as an example of how “motorsports meets quattro”, the TT ultra quattro concept weighs in at just 2,449 pounds. Generating 310 horsepower, the TT ultra has a power-to-weight ratio of 7.9 lb/hp, and…

Filed under: Racing News

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