I just bought a Diamond CP-5NMO hatch/lip mount and intend to put it on the hatchback lip of our 2018 Subaru Forester and, if it will fit, another one on our 2019 Kia Niro EV. I understand that hatch mounts typically present terrible ground planes - which makes sense - but that some types of antennas are more or less sensitive to this.
Question: What (amateur dual-band) antennas are a better or worse fit for this kind of installation?
My point of comparison is a dual-band 5/8 wave (Comet SBB-5) that I previously had roof mounted on my truck before an unfortunate incident involving a tree branch. I've installed this and, for what it's worth, it gets an SWR of ~1.3 on 146MHz.