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I think these results speak for themselves! The electric cars are in general, giving much better efficiency, and several of those (the X-Tracer, FVT, and the Aptera) also have excellent acceleration. The Li-ion, Illuminati, TW4XP, and Edison2 (among others) were not as quick -- the Li-ion and Edison2 cars are through to the finals, though. I am sad that neither the FVT eVaro nor the Illuminati Seven made it through, due to (relatively) minor technical reasons. They failed at the moment (which is how racing/competitions work, to be sure), but I think their problems are solvable, and the strong merits of their vehicles are obvious.
The Aptera is through, but still a bit disappointing -- it's aero is equal or better to anybody (save the X-Tracer), but their efficiency seems to have suffered. It barely betters the Tata, which is "just" a well executed EV conversion of a decent but ordinary hatchback. The Global-E had an ignition mapping error that made their number lower.
So the lowest MPGe of an electric drive; the AMP'd Sky was 86.7MPGe (Tango was 86.8), while the best of a car with an internal combustion is the Edison2 #97 at 101.4. (Actually, the FVT has a ICE powered generator onboard, but did not need it *at all* in the X-Prize.) The hybrids all were all below the 67MPGe -- except the WSU at 92.5 (and the FVT).
The average of the 12 vehicles using electric drive MPGe (I'm including the FVT in this) was 134.7MPGe
The average of the 6 hybrids (not including the FVT) was 61.26MPGe
The average of the 5 internal combustion drive cars was 82.92MPGe
The X-Prize results table does not include weights, but I daresay that the average weight of the internal combustion cars was lowest (the Edison2 and Spira are all much lighter!).
The best aero drag is on the X-Tracer, followed by a very close group including the Aptera, Edison2, Li-ion.
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