Tires for the 2018 Cadillac ATS
The 2018 Cadillac ATS uses 225/40R18, 225/45R17, 255/35R18, depending on trim. Choose your trim’s size to see tires in stock.
Tire sizes by trim
| Trim | Original tire sizes |
|---|---|
| Coupe 2.0L Turbo Luxury | 225/40R18 (from $110.00) |
| Coupe 2.0L Turbo Standard | 225/40R18 (from $110.00) |
| Coupe 3.6L Premium Luxury | 225/40R18 (from $110.00) |
| Coupe 3.6L Premium Performance | 225/40R18 (from $110.00) |
| Sedan 2.0L Turbo Luxury | 225/45R17 (from $101.00), 225/40R18 (from $110.00) |
| Sedan 2.0L Turbo Standard | 225/45R17 (from $101.00) |
| Sedan 3.6L Premium Luxury | 225/45R17 (from $101.00), 225/40R18 (from $110.00) |
| Sedan 3.6L Premium Performance | 225/40R18 (from $110.00) |
| V | 255/35R18 (from $116.00) |
Confirm your size on the driver’s door placard; options and package changes can affect fitment.
Popular tires in 225/40R18
$110.00In stock
$111.00In stock
$112.00In stock
$114.00Only 3 left
$165.00In stock
Nexen CP671225/40R18 88V · All-season$171.00In stock
Popular tires in 225/45R17
$101.00In stock
$102.00In stock
$105.00In stock
$108.00In stock
$157.00In stock
$158.00In stock
Frequently asked questions
What size tires does a 2018 Cadillac ATS take?
The 2018 Cadillac ATS came with 225/40R18, 225/45R17, 255/35R18 depending on trim. The exact size is printed on the driver’s door placard.