The best replacement for kitt is karr.

The best alternatives to kitt are rated as following:
★★★★★  karr
★★★★  goliath
★★★★  general lee
★★★  karr 2008
★★★  kitt
★★  airwolf
★★  christine
★★  karr knight rider
★  batmobile
★  carr
  herbie
  new kitt
  old kitt

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Speaking about kitt, one probably shouldn't forget about david hasselhoff.

Other search terms related to kitt and their ratings are:
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kitt
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