Having the wheel under the body doesn't make it harder to get at. Actually, if you're jacking up the rear of the car then you're getting better access to the underbody wheel. Also the aircompressor, I assume, would have a hose long enough to reach the front wheels, so it should be able to also...
Plastic cowling covering the underbody rear should act as a diffuser much as the natural aerodynamics already do. Its not so much of a loss if your space is having its access port shifted, rather than removed. I would wonder whether the full sized spare would slot horizontally under the rear...
Hi Folks
Just signed up - I'm from Adelaide, South Australia and hope to be putting my deposit down as soon as concrete plans are announced to make the R1T in RHD.
I'm wondering if anyone else has thought that the full size spare would be better served as hanging underneath the body, rather...