A grandma car is basically your run of the mill 1990's sedan with low kilometers. Typical Grandma cars are the Chevrolet Caprice, Ford Taurus, Toyota Camry, Chrysler Intrepid, Honda Accord, Nissan Altima, Pontiac G6 and Any and/or all Buick or Mercury cars. These cars also must have Unpaid Parking tickets on the dashboard along with hard candy and Efferdent Denture Cleaning Crystals to be considered a True "Grandma Car." A grandma car must also be slow as molasses in a Canadian Winter and in dire need of an oil change.
"Dude, Why did you buy such a grandma car?"