When I bought my truck last September I decided not to spend the money for the electric seat. I recognized that the seat sitting position was low and uncomfortable but I thought I would get accustomed to the sitting position. But I have remained very unhappy with position of the seat in my new truck.
I purchased a driver's seat lift kit for my 2015 2500HD from Seat-Solutions on Ebay. This is a major improvement for the seating postion of the manual driver's seat. The kit is very good quality powder coated steel and was very easy to install. I am really happy that Seat-Solutions started building a seat lift kit for the new trucks. The kit raises the seat 1 5/8" which is the same lift the electric seat provides.
The difference in the comfort of the higher seat position is amazing. This is one of the best upgrades I have ever done to a truck.
I have no affiliation with Seat-Solutions. I am just a happy customer.
Bud
2015 Silverado CC 2500HD 6.0 4.10 4X4
2002 Airstream Safari 25