Right after Alfa Romeo released the 164, the variants followed, aiming to give the best driving experience. The "S", essentialy an early QV,  the "L" for luxury (Lusso in Italian), the North American market "LS" , and the "Super" where trim oriented variants giving the 164 a wide range of options. All of this range was knowned as the "Super" after 1993. The 164 ended production in 1998.