Your selling style . running boards and high roofs . Fat fenders , high body lines and low roofs . Big loud garish cars with fins , bobbles and filigree. Toned down slab sided land yachts with pillowy soft suspension . that’s what this web site covers . after that you had fuel efficiency, 5mph bumpers and emissions that almost killed the auto industry in designs and making anything “ cool “ bow it’s come full circle with modern appliances have a “ retro look “ Lots of modern cars are taking styling cues from years past . And as has been said , Chrysler airflow , Edsel , and a bunch more that don’t come to mind that where failures when first launched . most people like what they know and don’t want to venture into the unknown . and automakers are in it for the money so will stick to what sells and what the population wants to buy . Of course with a few outliers . I look at my 40 merc and besides the grill , every other 4 door offered by the big 3 looked almost identical from the grill back .