[Gear Ratio calculator]
Black CTS-V: Gear Ratio Calculator

Gear
Ratio Final MPH @
RPM
RPM @
MPH
1 10.91 40.8 8086
2 7.30 61.0 5411
3 5.33 83.5 3952
4 4.10 108.6 3040
5 3.07 144.7 2280
6 2.05 217.1 1520
R 11.89 37.4 8815

Axle ratio
Tire diameter inches Tire diameter mm
Tire circumference inches Tire circumference mm
Revolutions per mile Revolutions per kilometer
Tire size /- (mm/profile-inch)

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Craig Leres