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2016 Cadillac CT6 Tire Sizes
Stock Tire Sizes
P 235/50 R18
Diameter 27.25" | Sidewall height 4.63"
P 245/45 R19
Diameter 27.68" | Sidewall height 4.34"
P 245/40 R20
Diameter 27.72" | Sidewall height 3.86"
P 255/35 R21
Diameter 28.03" | Sidewall height 3.51"