2006 Porsche 911 GT3 gear ratio calculator

With 2006 Porsche 911 GT3 Gear Ratio Calculator you can see the theoretical top speeds in all gears. You can change tire dimensions to calculate the effect on top speed and gearing. It will help you to find the best gear ratios for your racing car and to understand when it is the best time to change a gear.

Maximum Power RPM: Revolutions per minute when reaching
the top of the power curve.
Width Profile Wheel diameter
Tire Diameter [mm]:  OR 
Numbers of teeth Gear Ratio
Final Drive Ratio:  x   OR 
1st Gear Ratio:  x   OR 
2nd Gear Ratio:  x   OR 
3rd Gear Ratio:  x   OR 
4th Gear Ratio:  x   OR 
5th Gear Ratio:  x   OR 
6th Gear Ratio:  x   OR 
Speed in:




Save as image
Gear shift Difference after shifting RPM after shifting
from 1st Gear to 2nd Gear 2878 4522
from 2nd Gear to 3rd Gear 2691 4709
from 3rd Gear to 4th Gear 2114 5286
from 4th Gear to 5th Gear 1480 5920
from 5th Gear to 6th Gear -925 8325
kmh / RPM 1000 2000 3000 4000 5000 6000 7000 7400
1st Gear 10.9 21.8 32.8 43.7 54.6 65.5 76.4 80.8
2nd Gear 17.9 35.7 53.6 71.5 89.3 107.2 125.1 132.2
3rd Gear 28.1 56.2 84.2 112.3 140.4 168.5 196.5 207.8
4th Gear 39.3 78.6 117.9 157.2 196.5 235.8 275.1 290.9
5th Gear 49.1 98.3 147.4 196.5 245.7 294.8 343.9 363.6
6th Gear 43.7 87.3 131 174.7 218.4 262 305.7 323.2

This calculator is completely based on mathematical formulas to be useful to you. Try the Transmission Gear Ratio Calculator now.