The best replacement for dirt 3 is dirt showdown.

The best alternatives to dirt 3 are rated as following:
★★★★★  dirt showdown
★★★★★  dirt 2
★★★★  grid 2
★★★  forza 4
★★★  wrc 4
★★  forza horizon
★★  dirt 3 complete edition
★★  shift 2
★  driver san francisco
★  gran turismo 5
★  wrc 3
★  ridge racer unbounded
★  shift 2 unleashed
★  grid
  gt5
  need for speed the run

Your alternative for dirt 3 is not listed? Suggest!
Speaking about dirt 3, one probably shouldn't forget about g27.

Other search terms related to dirt 3 and their ratings are:
★★★★★ g27
You have in mind a companion for dirt 3 and it is not yet here? Propose!



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dirt 3
dirt showdown
dirt 2