I don’t think those Citroen’s would really be well classified as fast backs. Eg: classic mustang[0], vs mustang fastback[1], where the roof sweeps to the rear w

I don’t think those Citroen’s would really be well classified as fast backs. Eg: classic mustang[0], vs mustang fastback[1], where the roof sweeps to the rear window. The first thing I thought of w this car though is kammback[2] design. [0] https://img.pistonheads.com/LargeSize/ford/mustang/ford-mustang-S3840720-1.jpg https://img.pistonheads.com/LargeSize/ford/mustang/ford-must... [1] https://cdn.barrett-jackson.com/staging/carlist/items/Fullsize/Cars/125338/125338_Side_Profile_Web.jpg https://cdn.barrett-jackson.com/staging/carlist/items/Fullsi... [2] https://en.wikipedia.org/wiki/Kammback?wprov=sfti1 https://en.wikipedia.org/wiki/Kammback?wprov=sfti1