Out of a garage that once held a ’63 Impala, a ’65 GTO convertible, and a ’68 Camaro SS, one lifelong muscle car owner picked a 1967 Plymouth GTX as his all-time favorite – a car built around a standard 375-horsepower 440 Super Commando that only 737 buyers skipped in favor of the pricier Hemi option. Read on to find out why Plymouth’s ‘gentleman’s muscle car’ beat out three genuinely legendary rivals for the top spot.