2018 Cadillac ATS Tire Sizes

Factory original equipment (OE) tire specifications.

Coupe

Front

Tire Size

225/40R18

Load Index

88

Speed Rating

V

Coupe

Rear

Tire Size

255/35R18

Load Index

90

Speed Rating

V

Luxury Coupe

Front

Tire Size

225/40R18

Load Index

88

Speed Rating

V

Luxury Coupe

Rear

Tire Size

255/35R18

Load Index

90

Speed Rating

V

Luxury Sedan

Tire Size

P225/45R17

Load Index

90

Speed Rating

H

Luxury Sedan

Tire Size

P225/45R17

Load Index

90

Speed Rating

V

Luxury Sedan

Tire Size

225/40R18

Load Index

92

Speed Rating

V

Premium Luxury Coupe

Front

Tire Size

225/40R18

Load Index

88

Speed Rating

V

Premium Luxury Coupe

Rear

Tire Size

255/35R18

Load Index

90

Speed Rating

V

Premium Luxury Sedan

Tire Size

225/40R18

Load Index

92

Speed Rating

V

Premium Performance Coupe

Front

Tire Size

225/40RF18

Load Index

88

Speed Rating

W

Premium Performance Coupe

Rear

Tire Size

255/35RF18

Load Index

90

Speed Rating

W

Premium Performance Sedan

Front

Tire Size

225/40RF18

Load Index

88

Speed Rating

W

Premium Performance Sedan

Rear

Tire Size

255/35RF18

Load Index

90

Speed Rating

W

Sedan

Tire Size

P225/45R17

Load Index

90

Speed Rating

H

Sedan

Tire Size

P225/45R17

Load Index

90

Speed Rating

V

V

Front

Tire Size

255/35ZR18

Load Index

94

Speed Rating

(Y)

V

Rear

Tire Size

275/35ZR18

Load Index

99

Speed Rating

(Y)