Vintage Muscle Car Test: Motor Trend Wrings Out the 383 Plymouth Road Runner in 1968 by Kiril In the Dec. 1967 issue, Motor Trend published a comparison test of several of the supercar models that were all-new or substantially revised for the 1968 model year: GTO, Charger, GS 400, Torino, Chevelle, Road Runner, 4-4-2, […]