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

Gear
Ratio Final MPH @
RPM
RPM @
MPH
1 9.59 47.9 6889
2 6.69 68.7 4801
3 4.62 99.5 3317
4 3.23 142.3 2319
5 2.58 177.8 1856
6 2.00 229.5 1438
R 9.37 49.1 6726

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