How can I find the correct tire size for my CADILLAC CT5?

Refer to the tire information placard inside the driver's door or the owner's manual for the exact tire size based on your model year and trim.

Do rim sizes vary between CADILLAC CT5 trims?

Yes, rim diameters typically range from 18 to 20 inches across trims, with higher trims usually having larger and wider rims.

Can I use tires from one CT5 trim on another trim?

It's best to match tire sizes and rim widths to your specific trim to maintain proper handling and safety features.

CADILLAC CT5 Tire Sizes & Rim Dimensions by Model Year and Trim

The CADILLAC CT5 offers a range of tire size markings and rim dimensions that vary by model year and trim. Common tire sizes include 235/50R18, 235/45R19, and 245/40R20, paired with rims typically ranging from 18 to 20 inches in diameter.\n\nRim widths for the CT5 usually fall between 7.5 and 8.5 inches, depending on the trim level and year. Higher trims often feature wider rims and lower-profile tires for enhanced handling and aesthetics.\n\nWhen comparing CADILLAC CT5 trims, consider that base models tend to have more focused on comfort-oriented tires, while performance trims utilize tire and rim combinations designed for sportier driving dynamics.\n\nCheck the owner's manual or vehicle placard to confirm specific tire and rim sizes before purchasing replacements. Proper tire size and rim width are essential for safety, performance, and maintaining factory specifications.

Year

Make / model / trim	Year	Tire size	Wheel
CADILLAC CT5 CT5-V Blackwing (Refresh)	2026	275/30R21	10" × 21"
CADILLAC CT5 Platinum	2024	245/35R20	9" × 20"
CADILLAC CT5 V-Sport	2023	245/35R20	9" × 20"
CADILLAC CT5 Sport	2022	245/40R19	8.5" × 19"
CADILLAC CT5 Premium	2021	235/50R18	8" × 18"
CADILLAC CT5 Base	2020	235/55R17	7.5" × 17"

For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Cadillac CT5.

FAQ

How can I find the correct tire size for my CADILLAC CT5?: Refer to the tire information placard inside the driver's door or the owner's manual for the exact tire size based on your model year and trim.
Do rim sizes vary between CADILLAC CT5 trims?: Yes, rim diameters typically range from 18 to 20 inches across trims, with higher trims usually having larger and wider rims.
Can I use tires from one CT5 trim on another trim?: It's best to match tire sizes and rim widths to your specific trim to maintain proper handling and safety features.

Tire size calculatorShow

Compare two tire sizes — diameter, speedometer error, and clearance change.