The 2021 Dodge Durango SRT Hellcat is the world's most powerful SUV, but Fox News Autos Editor Gary Gastelu says it's much more than that ... for better or worse. France isn't exactly known for muscle cars, but it may soon be to thank for the most expensive one ever sold. (Mecum Auctions) A rare 1971 Plymouth Hemi 'Cuda Convertible is coming up for auction at the Mecum Auctions event in Indianapolis that has an estimated value of $6 million. (Mecum Auctions) The Winchester Grey two-door was one of just 11 or 12 'Cuda Convertibles believed to have been ordered with the 426 Hemi V8 ...