2021 Cadillac CT4 Tire Size & Pressure

The 2021 Cadillac CT4 tire size depends on trim: the Luxury, 4WD takes 225/45R17 91V; the Luxury, RWD takes 225/45R17 91V; the Premium Luxury, 2.0L Eng VIN K, 4WD takes 235/40R18 91V; the Premium Luxury, 2.0L Eng VIN K, RWD takes 235/40R18 91V; the Premium Luxury, 2.7L Eng VIN L, 4WD takes 235/40R18 91V; the Premium Luxury, 2.7L Eng VIN L, RWD takes 235/40R18 91V; the Sport, 4WD takes 235/40R18 91V; the V, 4WD takes 235/40R18 91V; the Sport, RWD takes 235/40R18 91V; the V, RWD takes 235/40R18 91V, per the factory service manual.

Factory-Spec Tire Size

Varies by trim

Luxury, 4WD: 225/45R17 91V
Luxury, RWD: 225/45R17 91V
Premium Luxury, 2.0L Eng VIN K, 4WD: 235/40R18 91V
Premium Luxury, 2.0L Eng VIN K, RWD: 235/40R18 91V
Premium Luxury, 2.7L Eng VIN L, 4WD: 235/40R18 91V
Premium Luxury, 2.7L Eng VIN L, RWD: 235/40R18 91V
Sport, 4WD: 235/40R18 91V
V, 4WD: 235/40R18 91V
Sport, RWD: 235/40R18 91V
V, RWD: 235/40R18 91V

Luxury, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	225/45R17 91V	Door Placard	—	—

Luxury, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	225/45R17 91V	Door Placard	—	—

Premium Luxury, 2.0L Eng VIN K, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	235/40R18 91V	Door Placard	—	—

Premium Luxury, 2.0L Eng VIN K, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	235/40R18 91V	Door Placard	—	—

Premium Luxury, 2.7L Eng VIN L, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	235/40R18 91V	Door Placard	—	—

Premium Luxury, 2.7L Eng VIN L, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	235/40R18 91V	Door Placard	—	—

Sport, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	235/40R18 91V	Door Placard	—	—

V, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	235/40R18 91V	Door Placard	—	—

Sport, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	235/40R18 91V	Door Placard	—	—

V, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	235/40R18 91V	Door Placard	—	—

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More CT4 Specs & Repair Guides

2021 Cadillac CT4 Factory Service Manual 2021 Cadillac CT4 Oil Type & Capacity

Frequently Asked Questions

What size tires does a 2021 Cadillac CT4 take?

It depends on the trim: Luxury, 4WD uses 225/45R17 91V; Luxury, RWD uses 225/45R17 91V; Premium Luxury, 2.0L Eng VIN K, 4WD uses 235/40R18 91V; Premium Luxury, 2.0L Eng VIN K, RWD uses 235/40R18 91V; Premium Luxury, 2.7L Eng VIN L, 4WD uses 235/40R18 91V; Premium Luxury, 2.7L Eng VIN L, RWD uses 235/40R18 91V; Sport, 4WD uses 235/40R18 91V; V, 4WD uses 235/40R18 91V; Sport, RWD uses 235/40R18 91V; V, RWD uses 235/40R18 91V.

What is the tire pressure for a 2021 Cadillac CT4?

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 2021 Cadillac CT4?

Bolt pattern data is available in the factory service manual.

Other Cadillac CT4 Years

2025 CT4 2024 CT4 2023 CT4 2022 CT4 2020 CT4

Other Cadillac Models

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