Just traded my 2020 Silverado 5.3 for a 2021 GMC Sierra 3.0 and honestly will never go back to gas. The 3.0 with the 10spd is so smooth and has great power. The range alone is worth it.
Saw a 19/20 custom today with a nice rack From a company called trailfx.
https://www.trailfx.com/products/vehicle/TrailFX-Ladder-Rack-FCLR001B--TLFFCLR001B