Green’s Dictionary of Slang

Volks n.

[abbr.]

a Volkswagen car.

[US]D. Jenkins Semi-Tough 296: In the parking lot of Reba’s Lounge, a Volks drove up and a girl jumped out.
[Ire] (ref. to 1963) D. Healy Bend for Home 184: The Doc and he drove off in a blue Volks.