I suppose it depends on what replaces the trad and how much it costs.
If the new trad is significantly better then it could go the other way.
Probably the best comparison would be the last of the trad chassis +8 and the aero chassis +8.

Titus

2007 +4 4 seater
2017 Mini Cooper
2007 VW Camper
1996 Honda TRX300
2012 Husqvarna 216