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GET IT 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.