2018 Cadillac ATS Tire Size & Pressure

The 2018 Cadillac ATS tire size depends on trim: the Base, 2D Coupe, AWD takes 225/40R18 88V; the Base, 2D Coupe, RWD, Automatic Trans takes 225/40R18 88V; the Base, 2D Coupe, RWD, Standard Trans takes 225/40R18 88V; the Base, 4D Sedan, RWD, Automatic Trans takes P225/45R17 90H; the Premium Luxury, 4D Sedan, AWD takes 225/40R18 92V XL; the Luxury, 4D Sedan, AWD takes P225/45R17 90H; the Luxury, 4D Sedan, RWD, Automatic Trans takes P225/45R17 90H; the Luxury, 2D Coupe, AWD takes 225/40R18 88V; the Premium Luxury, 2D Coupe, RWD takes 225/40R18 88V; the Luxury, 2D Coupe, RWD, Automatic Trans takes 225/40R18 88V; the Base, 4D Sedan, RWD, Standard Trans takes P225/45R17 90H; the Luxury, 2D Coupe, RWD, Standard Trans takes 225/40R18 88V; the Premium Performance, 2D Coupe takes 225/40RF18 88W; the Luxury, 4D Sedan, RWD, Standard Trans takes P225/45R17 90H; the Premium Performance, 4D Sedan takes 225/40RF18 88W; the V, 2D Coupe, Automatic Trans takes 255/35ZR18 (94Y) XL; the Premium Luxury, 4D Sedan, RWD takes 225/40R18 92V XL; the V, 4D Sedan, Standard Trans takes 255/35ZR18 (94Y) XL; the V, 4D Sedan, Automatic Trans takes 255/35ZR18 (94Y) XL; the Base, 4D Sedan, AWD takes P225/45R17 90H; the V, 2D Coupe, Standard Trans takes 255/35ZR18 (94Y) XL; the Premium Luxury, 2D Coupe, AWD takes 225/40R18 88V, per the factory service manual.

Factory-Spec Tire Size
Varies by trim
  • Base, 2D Coupe, AWD: 225/40R18 88V
  • Base, 2D Coupe, RWD, Automatic Trans: 225/40R18 88V
  • Base, 2D Coupe, RWD, Standard Trans: 225/40R18 88V
  • Base, 4D Sedan, RWD, Automatic Trans: P225/45R17 90H
  • Premium Luxury, 4D Sedan, AWD: 225/40R18 92V XL
  • Luxury, 4D Sedan, AWD: P225/45R17 90H
  • Luxury, 4D Sedan, RWD, Automatic Trans: P225/45R17 90H
  • Luxury, 2D Coupe, AWD: 225/40R18 88V
  • Premium Luxury, 2D Coupe, RWD: 225/40R18 88V
  • Luxury, 2D Coupe, RWD, Automatic Trans: 225/40R18 88V
  • Base, 4D Sedan, RWD, Standard Trans: P225/45R17 90H
  • Luxury, 2D Coupe, RWD, Standard Trans: 225/40R18 88V
  • Premium Performance, 2D Coupe: 225/40RF18 88W
  • Luxury, 4D Sedan, RWD, Standard Trans: P225/45R17 90H
  • Premium Performance, 4D Sedan: 225/40RF18 88W
  • V, 2D Coupe, Automatic Trans: 255/35ZR18 (94Y) XL
  • Premium Luxury, 4D Sedan, RWD: 225/40R18 92V XL
  • V, 4D Sedan, Standard Trans: 255/35ZR18 (94Y) XL
  • V, 4D Sedan, Automatic Trans: 255/35ZR18 (94Y) XL
  • Base, 4D Sedan, AWD: P225/45R17 90H
  • V, 2D Coupe, Standard Trans: 255/35ZR18 (94Y) XL
  • Premium Luxury, 2D Coupe, AWD: 225/40R18 88V
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Base, 2D Coupe, AWD

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 88VDoor Placard
All255/35R18 90VDoor Placard

Base, 2D Coupe, RWD, Automatic Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 88VDoor Placard
All255/35R18 90VDoor Placard

Base, 2D Coupe, RWD, Standard Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 88VDoor Placard
All255/35R18 90VDoor Placard

Base, 4D Sedan, RWD, Automatic Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/45R17 90HDoor Placard

Premium Luxury, 4D Sedan, AWD

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 92V XLDoor Placard

Luxury, 4D Sedan, AWD

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/45R17 90HDoor Placard

Luxury, 4D Sedan, RWD, Automatic Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/45R17 90HDoor Placard

Luxury, 2D Coupe, AWD

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 88VDoor Placard
All255/35R18 90VDoor Placard

Premium Luxury, 2D Coupe, RWD

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 88VDoor Placard
All255/35R18 90VDoor Placard

Luxury, 2D Coupe, RWD, Automatic Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 88VDoor Placard
All255/35R18 90VDoor Placard

Base, 4D Sedan, RWD, Standard Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/45R17 90HDoor Placard

Luxury, 2D Coupe, RWD, Standard Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 88VDoor Placard
All255/35R18 90VDoor Placard

Premium Performance, 2D Coupe

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40RF18 88WDoor Placard
All255/35RF18 90WDoor Placard

Luxury, 4D Sedan, RWD, Standard Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/45R17 90HDoor Placard

Premium Performance, 4D Sedan

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40RF18 88WDoor Placard
All255/35RF18 90WDoor Placard

V, 2D Coupe, Automatic Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All255/35ZR18 (94Y) XLDoor Placard
All275/35ZR18 (99Y) XLDoor Placard

Premium Luxury, 4D Sedan, RWD

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 92V XLDoor Placard

V, 4D Sedan, Standard Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All255/35ZR18 (94Y) XLDoor Placard
All275/35ZR18 (99Y) XLDoor Placard

V, 4D Sedan, Automatic Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All255/35ZR18 (94Y) XLDoor Placard
All275/35ZR18 (99Y) XLDoor Placard

Base, 4D Sedan, AWD

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/45R17 90HDoor Placard

V, 2D Coupe, Standard Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All255/35ZR18 (94Y) XLDoor Placard
All275/35ZR18 (99Y) XLDoor Placard

Premium Luxury, 2D Coupe, AWD

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All225/40R18 88VDoor Placard
All255/35R18 90VDoor Placard

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Frequently Asked Questions

What size tires does a 2018 Cadillac ATS take?

It depends on the trim: Base, 2D Coupe, AWD uses 225/40R18 88V; Base, 2D Coupe, RWD, Automatic Trans uses 225/40R18 88V; Base, 2D Coupe, RWD, Standard Trans uses 225/40R18 88V; Base, 4D Sedan, RWD, Automatic Trans uses P225/45R17 90H; Premium Luxury, 4D Sedan, AWD uses 225/40R18 92V XL; Luxury, 4D Sedan, AWD uses P225/45R17 90H; Luxury, 4D Sedan, RWD, Automatic Trans uses P225/45R17 90H; Luxury, 2D Coupe, AWD uses 225/40R18 88V; Premium Luxury, 2D Coupe, RWD uses 225/40R18 88V; Luxury, 2D Coupe, RWD, Automatic Trans uses 225/40R18 88V; Base, 4D Sedan, RWD, Standard Trans uses P225/45R17 90H; Luxury, 2D Coupe, RWD, Standard Trans uses 225/40R18 88V; Premium Performance, 2D Coupe uses 225/40RF18 88W; Luxury, 4D Sedan, RWD, Standard Trans uses P225/45R17 90H; Premium Performance, 4D Sedan uses 225/40RF18 88W; V, 2D Coupe, Automatic Trans uses 255/35ZR18 (94Y) XL; Premium Luxury, 4D Sedan, RWD uses 225/40R18 92V XL; V, 4D Sedan, Standard Trans uses 255/35ZR18 (94Y) XL; V, 4D Sedan, Automatic Trans uses 255/35ZR18 (94Y) XL; Base, 4D Sedan, AWD uses P225/45R17 90H; V, 2D Coupe, Standard Trans uses 255/35ZR18 (94Y) XL; Premium Luxury, 2D Coupe, AWD uses 225/40R18 88V.

What is the tire pressure for a 2018 Cadillac ATS?

Refer to the tire pressure placard on your vehicle's driver side door jamb for exact cold inflation pressures.

What is the bolt pattern on a 2018 Cadillac ATS?

Bolt pattern data is available in the factory service manual.

Other Cadillac ATS Years

Other Cadillac Models