YES, The cabs are the same.
YES it will.
No, it will not.
Seats from a 1991 Chevrolet Silverado may fit into a 1995 model, but there are some differences to consider. The mounting brackets and seat design may vary between these model years, so modifications could be necessary for a proper fit. It's advisable to verify the specific configurations and measurements of both seat types before attempting the swap. Additionally, check for any electrical connections if the seats have power adjustments.
yes
YES, They will fit with no problems.
No it will not, Different length
No everything about it is different.
yes
yes it will i did it
Not without modification as 2000 is the newer body style which was implemented in 1999.
YES, It will bolt right in.
yes, as long as it has the same box syle body like an 84 silverado would have.