I know I’m not alone with this. I have some friends who experience this problem. New controllers (most commonly newer Slim console ones) come with quite tight analog sticks which work quite well. However, I’ve noticed myself needing to adjust my sensistivity on various games.
This has been most difficult for me on Halo. Jumping from an older, worn controller to the new Slim ones, I have upped my sensitivity on H3/Reach from 3-5 up to 10 just to produce the similar effect. This only applies to gameplay on foot, though.
Unfortunately, 10 sensitivity does not help in fixing vehicle turn speed. The camera and vehicle turn rates for Warthogs, Ghosts, Banshees, and the others are sluggish and make effective combat with them difficult. I tested with the new and old controllers turn speeds with different vehicles at sensitivities 1 and 10, and it seems look speeds in vehicles are unaffected.
We need a separate sensitivity dial for vehicles.