Answer: vroom

AnswerCrossword Clue
VROOM

Motorcycle noise

VROOM

Auto race noise

VROOM

Motor's roar

VROOM
Hot rod's sound
VROOM
Racecar sound
VROOMIndy 500 sound
VROOMSpeedway sound
VROOMSpeeding sound
VROOMFormula One sound
VROOMEngine sound
VROOMRace-car engine sound
VROOMRacetrack sound
VROOMEngine noise
VROOMSouped-up engine sound
VROOMDragging sound
VROOMDrag race sound
VROOMRevved engine sound
VROOMSound of power
VROOMRevving sound
VROOMSound heard at Indy
VROOMAcceleration sound
VROOMSound of acceleration
VROOMRaceway sound