The best replacement for e10 is e85.

The best alternatives to e10 are rated as following:
★★★★★  e85
★★★★  unleaded
★★★  e15
★★★  sprint 2
★★  e11
★★  e17
★★  tt01
★★  e07k
★★  regular unleaded
★★  sprint 2 drift
★  e30 soundmagic
★  e30
★  e09k
★  e0
★  pl30
★  e10m
★  pure gasoline
★  ulp
  rha ma-350
  es18
  e5
  e7
  klipsch s4
  pl11
  regular gas
  tt 01
  premium fuel

Your alternative for e10 is not listed? Suggest!
Speaking about e10, one probably shouldn't forget about unleaded.

Other search terms related to e10 and their ratings are:
★★★★★ unleaded
★★★★ ath m50
You have in mind a companion for e10 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of e10 in all years. Click on graph for more.
e10
e85
unleaded