What is overdrive on an automatic car

Question

can it help me cut down on fuel consumption

Answer 1

that,s what it,s for, to improve the gas milage. overdrive should be used most of the time.

Answer 2

Overdrive is when your transmission is geared to spin the drive shaft faster than the speed of the engine.

If you have already accelerated to speed, overdrive allows your engine to turn slower while you are cruising along.  Yes, this saves on gas.

The trick is to not try to accelerate too much while in overdrive - it is not very effective, or fuel efficient either.

Answer 3

To improve on the vehicle petrol efficiency in mileage sense, it doesn't necessary improve on fuel consumption.

Answer 4

you need to be driving in overdrive all the time.and no **** sherlock.

Answer 5

Overdrive undershift...or shifts at lower rpms..