Answer: roadtests

AnswerCrossword Clue
ROADTESTS

Car salesmen's offers

ROADTESTS

Would-be drivers' hurdles

ROADTESTS

Proving-grounds workouts.

ROADTESTS
Car tryouts.
ROADTESTS
Tryouts at Detroit
ROADTESTSIndicators of comfort and handling
ROADTESTSMajor hurdles for aspiring drivers