My 6 car garage was built with a lift in mind, 24 foot high rafters with 10 foot walls.
Still I went with a used MD-6XP.
I considered a used two post lift for about the same, $1,000.
I liked the fact the scissor is mobile.
If you have a low ceiling it may be your best choice.
I've got mine in the center of my two car side with the loft above.
Located in the center of the garage and lacking the obstruction of the two posts or garage walls allows the doors to open all the way for interior work, for example door or seat removal.
The two post is great if you want to store a car under it.
The two post is bolted to the floor, as such it would have been required it be crowded closer to the wall to leave parking access for the other cars.
The two post would lift the car higher but still too low for me to work under comfortably.
A short backless rolling chair is helpful for working under the car.
I could of really used it years ago when I was pulling hot rod VW engines every other month.
