The best replacement for 240sx is 300zx.

The best alternatives to 240sx are rated as following:
★★★★★  300zx
★★★★  miata
★★★★  rx7
★★★  integra
★★★  350z
★★★  prelude
★★  180sx
★★  supra
★★  mr2
★★  silvia
★  ae86
★  e30
★  240z
★  sc300
  200sx
  mk3 supra
  eclipse gsx
  acura integra
  s13
  crx
  e36
  integra gsr
  rx8
  rx7 fc

Your alternative for 240sx is not listed? Suggest!
Speaking about 240sx, one probably shouldn't forget about rb26.

Other search terms related to 240sx and their ratings are:
★★★★★ rb26
You have in mind a companion for 240sx and it is not yet here? Propose!



Google Trends

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240sx
300zx
miata