Both have a five core team with the same color pallet
Both are fighting inter galactic beings wishing to destroy earth
Both have the same composer
Both star Yuji Kishi

Both have not so serious tones
Both are car themed
Both have rangers that are (red, blue, green, and yellow)

It's the movie to the show, the cast come back to fight defeated monsters
Dairanger fans will enjoy this

Both were adapted into Mighty Morphin Power Rangers
Both have ancient characters and tribes
Both were written by Noboru Sugimura

Both incorporate a fantasy theme
Both star Machiko Soga as a witch
Both have other world settings
Both feature characters and monsters from mythology

Both 10 years apart
Both have family rangers
Both have a dad ranger
Both feature a magic ranger
Yellow Magiranger guest stars in a episode

Both feature time traveling
Both were written by Yasuko Kobayashi
Both feature characters from time(past/future)
Both feature "tough/strong yellow" archetypes

Both are detective theme shows
Both have the same team color pallet
Both have crime organization villains

Both are fighting a dark ancient evil
Both have family rangers
Mother absent
Feature a "red dragon" villain

Both have family rangers
Both are fighting against ancient demons
Both have old mentors
Both feature villains that are related

Both have a military theme
Both have the same team color pallet
Both star Hiroshi Miyauchi
Both are fighting an empire with brutal leaders and silly monsters

Both feature rangers that were kidnapped as kids
Both grew up to become rangers to fight their captures
Both have same color pallet(except for orange and purple) team
Both were later followed up by a "Asian Theme" series
Both feature a humanoid main villain