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Published on Oct 5, 2018
Steve Dimakos, the owner of a new Porsche 911 GT2 RS, had a burning question: With 700 horsepower, how well would the lap times of the most powerful road-going 911 do against his 460-hp 991.1 911 GT3 Cup race car at Road America? Fortunately he had a winning combination on his hands, with an upcoming track day and PCA Club Race there and a friend in professional race car driver Bryan Sellers, who agreed to drive both cars in this challenge. When Porsche Panorama was offered to cover the story, we jumped in right away.
In the video above, we document how this intriguing track test came about, how the GT2 RS and GT3 Cup were prepared for it, the fastest lap of each car with Sellers at the wheel, and pre- and post-test commentary.
Which Porsche do you think will win: The street-legal, 3,241-pound, 700-hp 911 GT2 RS, or the race-prepped, ~2,700-lb, 460-hp 911 GT3 Cup?
Watch the whole video above, or skip to 10:22 for in-car hot-lap recordings with data
Be sure to read the in-depth article in the October issue of Porsche Panorama.