The best replacement for rsx is civic si.

The best alternatives to rsx are rated as following:
★★★★★  civic si
★★★★  s2000
★★★★  tsx
★★★  rsx type s
★★★  integra
★★★  celica
★★  prelude
★★  350z
★★  rx8
★★  si
★★  wrx
★★  xenos
★  g35
★  civic
★  scion tc
★  tc
★  tl
  ep3
  srt4
  erus
  xenon
  8800gt
  honda prelude
  gti
  vs2
  toyota celica

Your alternative for rsx is not listed? Suggest!
Speaking about rsx, one probably shouldn't forget about tl type s rims.

Other search terms related to rsx and their ratings are:
★★★★★ tl type s rims
You have in mind a companion for rsx and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of rsx in all years. Click on graph for more.
rsx
civic si
s2000