This plan-view image of GM's Impact-EV1 isn't as technically accurate as a blueprint, but you can discern that AeroVironment/GM did elect to narrow 'all' of the aft-body for pressure recovery.
In development, I believe that it was 'Impact-4' which achieved Cd 0.185, with a single door mirror.
https://ecomodder.com/forum/member-a...-1-showing.jpg