Whats the best speed to dive for my gas mileage?

Question

i drive a 1997 cadillac deville and i don't care about speeding whats the best speed to drive?

Answer 1

A constant speed... but I have heard that the ideal speed is 55-60 mph depending on the vehicle.  Anything beyond that and the mileage starts to go down exponentially.  Experiment with your Deville.

Back to constant speed - drive like your on eggs... anticipate stops and try and time it so you don't have to start from a dead stop at every light.

This is going to p**s off those jerks who have to race up to the red light, slamm on their brakes and then gun it to get going - they're seriously using twice as much gas as you for the whole shennanigan.

It takes some patience and practice to drive smooth and casual - you gotta get used to people pressuring you from behind or cutting you off cuz they think you are a G-Pa.

Eff em... where are they going to go?  Stopped in front of you that's where... and then to the gas station sooner.

Cruize brothah, Cruize.

Answer 2

55 Highway

25 City..

But just don't drive like that when I'm behind you..

Answer 3

Turn on the fuel mileage display and figure it out for yourself.  55 works pretty good for me.  I probably wouldn't go that slow on the interstate, though, for safety reasons.

Answer 4

45 MPH is the stated best speed for economy.  However, you'd better get used to taking a lot of guff from other drivers.

Answer 5

The hwy speed is 49 mph for MSRP  but the best mileage is slowest in the highest transmission gear (4th gear) about 45 mph and about 1000 rpm.