The best replacement for diet coke is coke zero.

The best alternatives to diet coke are rated as following:
★★★★★  coke zero
★★★★  coke
★★★  diet pepsi
★★★  regular coke
★★★  coffee
★  coke light
  coca cola zero
  coke healthier
  coke sales
  coca cola
  crystal light
  zero
  coffee which is worse
  coke ingredients
  coke mentos
  coke with mentos
  tea
  normal coke
  pepsi max
  coke zero caffeine
  coke 0
  mentos
  sweet tea
  tab
  coke zero ingredients
  full fat
  iced tea
  pepsi
  diet coke with splenda
  coke density
  coke lite
  regular cola
  diet rite
  diet dr pepper

Your alternative for diet coke is not listed? Suggest!
Speaking about diet coke, one probably shouldn't forget about splenda.

Other search terms related to diet coke and their ratings are:
★★★★★ splenda
★★ mentos
★ mentos experiment
cake mix
You have in mind a companion for diet coke and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of diet coke in all years. Click on graph for more.
diet coke
coke zero
coke