What colors look best on older Porsches? Hard to argue with the Viper Green seen on this 1972 Porsche 911E. Like its contemporaries, Porsche offered some pretty wild colors in the 1970s, and still do today via their paint-to-sample program. Porsche produced roughly 1124 copies of 911E Coupes in 1972, and Hagerty values a No. 2 car at $92,000. You can find the 911E on …