Here?s something intuition won?t tell you: The visceral Porsche 911 GT3 with the Touring package, which mandates a manual transmission and replaces the standard GT3?s freestanding rear wing with a version of the less effective variable spoiler fitted to most of the 911 line, is actually slower than the big-wing car. Despite a 221-pound difference in downforce at their respective top speeds, the GT3 Touring, with its retractable spoiler, is less slippery and is therefore slightly slower. The top-speed difference doesn?t matter (199 versus 196 mph), but the downforce might if you?re on a track. READ MORE ??
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