Tires for the 2021 Cadillac CT4
The 2021 Cadillac CT4 uses 225/45R17, 235/40R18, 235/35R19, depending on trim. Choose your trim’s size to see tires in stock.
Tire sizes by trim
| Trim | Original tire sizes |
|---|---|
| Luxury | 225/45R17 (from $101.00) |
| Premium Luxury | 235/40R18 (from $110.00) |
| Sport | 235/40R18 (from $110.00) |
| V | 235/40R18 (from $110.00), 235/35R19 (from $111.00) |
Confirm your size on the driver’s door placard; options and package changes can affect fitment.
Popular tires in 225/45R17
$101.00In stock
$102.00In stock
$105.00In stock
$108.00In stock- $157.00In stock
$158.00In stock
Popular tires in 235/40R18
Antares Ingens-Locus235/40R18 95W · All-season$110.00In stock
$110.00Only 3 left- $118.00In stock
Antares Blitzk RS235/40R18 95W · Summer$144.00In stock
$180.00In stock
$185.00In stock
Frequently asked questions
What size tires does a 2021 Cadillac CT4 take?
The 2021 Cadillac CT4 came with 225/45R17, 235/40R18, 235/35R19 depending on trim. The exact size is printed on the driver’s door placard.