[2.2 Straight six]

well, if it's a 6-speed auto it has just as many gears as the manual.

usually auto are 3-speed, or they are here at least. that increases time to reach a certian speed because it has longer/taller gears.

that's why you'll often see the 0-60 time of a manual car is lower than the auto of the same car.

assuming it has the exact same gearing you may get lower acceleration times, if the gearbox makes fast gear changes. there's a good chance it will make smoother and faster shifts than someone using a manual.

a lot of it is personal prefrence, do you like driving manuals? a manual will offer a purer and more involving driving experience, but if you're sitting in traffic you may find the manual less comfortable to drive, if you're making a lot of gear changes.

for drag racing a manual is a better option, the cluth will allow revving starts and you'll be able to shift when you want. which should be within the engine's powerband.

i think that's about it.