The best replacement for bonanza is mooney.

The best alternatives to bonanza are rated as following:
★★★★★  mooney
★★★★  baron
★★★  saratoga
★★★  gunsmoke
★★  etsy
★★  big valley
★  210
★  cirrus
★  ponderosa
★  cessna 210
★  sr22
★  debonair
★  cessna 182
★  182
★  ebid
  comanche
  ecrater
  fulmer v2
  cessna
  piper matrix
  bell 500
  piper arrow
  210 cessna
  cherokee 6
  sierra vista
  piper comanche

Your alternative for bonanza is not listed? Suggest!
Speaking about bonanza, one probably shouldn't forget about guy williams.

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



Google Trends

Scale is based on the average worldwide traffic of bonanza in all years. Click on graph for more.
bonanza
mooney
baron