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Drag is a coefficient of speed, so yes it is present but friction is still a greater force at lower speeds then drag. Drag coefficients that you read on a chart are computed at ~40-45mph, whereas when you are going slower its lower and faster its higher. You can speculate values but without quanitified test results your values aren't critical and therefore useless.
Look at it this way, the mass of a single car verses the mass of the ecosphere (b/n land and clouds) the mass of the car is small until it is moving with x amount of force or velocity is achieved. Also a stationary object has drag, just saying. I don't mind questions if I'm wrong, and i can be at times, I appologize but I'll never quantify false values without good reason or evidence.
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