Authorities say most of the thefts happen between 12 a.m. and 6 a.m., and most of the vehicles are more than 10 years old. Lt. Paul Vernon. with the Los Angeles Police Mission Division also said 88 percent of the thefts occur on a street or a parking lot.
Investigators say few older models have anti-theft systems, and many are left unlocked because the owners don't take as many precautions to safeguard older cars.
They recommend car owners park in a secured yard or garage, and install anti-theft systems.
City News Service contributed to this report.