Great dilemma to have. Depends if you totally want to change the overall look of your car, completely different from eachother as you obviously know.
I personally love the Lm-r's in 20''
2011 Audi A4 - Stasis modded
2013 Ford f350 Lariat
2013 Ford f150- colour matched 24s
2006 Porsche Carrera 4s-forgestar/eissemann/Ceramic brakes/Techart