If you mean what is the crime, dealing with the theft of multiple automobiles. (Car, motorcycle, trucks, etc.) You can do up to 5-10 years in prison. It's also considered a felony, which is enforced differently within other states.
Grand Theft Auto is also the name of an Awesome :-) Action/Adventure VideoGame series that is also one of the most controversial game series' ever.for more information log on to WWW.GTA.WIKIA.COM
EDIT: Hey, asshole. Yeah you who answered this question previously. Seriously, plugging your own wiki? That's just fucking low. Get a real education your subordinate peace of loose-leaf garbage.