The best replacement for grid 2 is dirt 3.

The best alternatives to grid 2 are rated as following:
★★★★★  dirt 3
★★★★★  shift 2
★★★★  gran turismo 6
★★★  grid
★★★  need for speed
★★★  forza horizon
★★  need for speed rivals
★★  gran turismo 5
★★  gt5
★★  vuhdo
★★  forza 4
★  nfs rivals
★  assetto corsa
★  need for speed most wanted
★  f1 2013
  grid 1
  nfs most wanted
  most wanted 2012
  gt6

Your alternative for grid 2 is not listed? Suggest!
Speaking about grid 2, one probably shouldn't forget about g27.

Other search terms related to grid 2 and their ratings are:
★★★★★ g27
You have in mind a companion for grid 2 and it is not yet here? Propose!



Google Trends

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grid 2
dirt 3
shift 2