2021 Cadillac CT5 Tire Size & Pressure

The 2021 Cadillac CT5 tire size depends on trim: the Sport, 4WD takes 245/40R19 94V; the Luxury, 4WD takes 245/45R18 96V; the Luxury, RWD takes 245/45R18 96V; the Premium Luxury, 2.0L Eng VIN K, 4WD takes 245/45R18 96V; the Premium Luxury, 3.0L Eng VIN W, 4WD takes 245/45R18 96V; the Premium Luxury, 2.0L Eng VIN K, RWD takes 245/45R18 96V; the Premium Luxury, 3.0L Eng VIN W, RWD takes 245/45R18 96V; the V, 4WD takes 245/40ZR19 94Y; the V, RWD takes 245/40ZR19 94Y; the Sport, RWD takes 245/40R19 94V, per the factory service manual.

Factory-Spec Tire Size

Varies by trim

Sport, 4WD: 245/40R19 94V
Luxury, 4WD: 245/45R18 96V
Luxury, RWD: 245/45R18 96V
Premium Luxury, 2.0L Eng VIN K, 4WD: 245/45R18 96V
Premium Luxury, 3.0L Eng VIN W, 4WD: 245/45R18 96V
Premium Luxury, 2.0L Eng VIN K, RWD: 245/45R18 96V
Premium Luxury, 3.0L Eng VIN W, RWD: 245/45R18 96V
V, 4WD: 245/40ZR19 94Y
V, RWD: 245/40ZR19 94Y
Sport, RWD: 245/40R19 94V

Sport, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/40R19 94V	Door Placard	—	—

Luxury, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/45R18 96V	Door Placard	—	—

Luxury, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/45R18 96V	Door Placard	—	—

Premium Luxury, 2.0L Eng VIN K, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/45R18 96V	Door Placard	—	—

Premium Luxury, 3.0L Eng VIN W, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/45R18 96V	Door Placard	—	—

Premium Luxury, 2.0L Eng VIN K, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/45R18 96V	Door Placard	—	—

Premium Luxury, 3.0L Eng VIN W, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/45R18 96V	Door Placard	—	—

V, 4WD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/40ZR19 94Y	Door Placard	—	—

V, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/40ZR19 94Y	Door Placard	—	—

Sport, RWD

Tire Specifications

Position	Tire Size	Pressure	Load Index	Speed Rating
All	245/40R19 94V	Door Placard	—	—

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More CT5 Specs & Repair Guides

2021 Cadillac CT5 Factory Service Manual 2021 Cadillac CT5 Oil Type & Capacity

Frequently Asked Questions

What size tires does a 2021 Cadillac CT5 take?

It depends on the trim: Sport, 4WD uses 245/40R19 94V; Luxury, 4WD uses 245/45R18 96V; Luxury, RWD uses 245/45R18 96V; Premium Luxury, 2.0L Eng VIN K, 4WD uses 245/45R18 96V; Premium Luxury, 3.0L Eng VIN W, 4WD uses 245/45R18 96V; Premium Luxury, 2.0L Eng VIN K, RWD uses 245/45R18 96V; Premium Luxury, 3.0L Eng VIN W, RWD uses 245/45R18 96V; V, 4WD uses 245/40ZR19 94Y; V, RWD uses 245/40ZR19 94Y; Sport, RWD uses 245/40R19 94V.

What is the tire pressure for a 2021 Cadillac CT5?

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 CT5?

Bolt pattern data is available in the factory service manual.

Other Cadillac CT5 Years

2025 CT5 2024 CT5 2023 CT5 2022 CT5 2020 CT5

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