GET IT RIGHT THE FIRST TIME
Use our calculators to make your life easier.
For a complete up-to-date listing on Subaru AWD models, download the PDF from Rallispec. Otherwise, get started with your calculations.
Gear Ratio and RPM to MPH Calculator with Auto Shift and Tracer
One
Enter gear ratios into the table below. Select 4 gears (VW), 5 gears or 6 gears to compare transmissions.
TWO
Enter the Diff Ratio.
THREE
Enter the tyre diameter in inches into the table below and press “Calculate”.
FOUR
Finally, enter the RPM you would shift at.
Typical Gear ratios
Transmission
5MT Turbo
5MT non Turbo
6MT turbo
6MT non Turbo
6MT Tdi turbo diesel
4EAT TZ1A / TZ1B 4 speed automatic
1st / 2nd / 3rd / 4th / 5th / 6th
3.16 / 1.88 / 1.30 / 0.97 / 0.74
3.45 / 2.06 / 1.45 / 1.09 / 0.78
3.45 / 1.94 / 1.30 / 0.97 / 0/78 0.67
3.45 / 1.94 / 1.30 / 0.97 / 0.82 / 0.69
3.45 / 1.75 / 1.06 / 0.79 / 0.63 / 0.56
2.78 / 1.55 / 1.00 / 0.69