Driver Wiki

ASYM is a fictional Automobile Manufacturer found in Driver: San Francisco.

Their only known vehicle is the Desanne, however it is unobtainable in normal gameplay without modding the game. If seen, it can not be switched into, but have good stats being revealed:

Vehicle Notes
ASYM Desanne Normal Civilian Model
ASYM Desanne PURSUIT Police Edition Variant (seen in prologue and various missions)
ASYM Desanne Taxi Taxi Variant, not seen in game play, only in official list of vehicles.