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

Gear
Ratio Final MPH @
RPM
RPM @
MPH
1 13.02 36.3 9083
2 7.62 62.0 5319
3 4.94 95.7 3448
4 3.71 127.3 2592
5 2.75 172.3 1916
6 2.16 218.5 1510
R 9.88 47.8 6897

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