Overdrive
Glossary > Transmission >
updated: Wed, Jul 02, 2003
A transmission gear with a ratio lower than 1:1. This means that the output (wheels) are rotating faster than the input (motor), when this gear is engaged. This results in better fuel efficiency during highway driving.
Related Terms
Automatic Transmission
Clutch
Manual Transmission
Torque Converter
External Links
Definition of "Overdrive" - from Dictionary.com