[Neely2005]

Simple question, is 6th Gear in our cars overdrive?

 

[Dan-C]

Based on my understanding of overdrive fifth and sixth are overdriven.

This is a pretty good article here:
http://en.wikipedia.org/wiki/Overdrive_(mechanics)

 

[felopr]

looking at the gear ratios of this car, 5 and 6 are over drive.
anyone correct me if i am wrong but, if you look at gear ratios on a car, any gear lower than "1.000" means overdrive

 

[eRic]

Yes the gear ratios are in the Fiesta ST Supplement:
Gear Ratio Final drive
1st 3.727 3.82
2nd 2.098 3.82
3rd 1.357 3.82
4th 1.030 3.82
5th 0.821 3.82
6th 0.690 3.82
Reverse 3.818 3.82