2026 Cadillac CT4-V Wheel & Tire Sizes
Complete fitment guide for the 2026 Cadillac CT4-V: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x115 bolt pattern, for every trim.
Bolt Pattern
5x115 / 5x120
Varies by trim
Centre Bore
70.3 mm
TPMS
433 MHz
Factory (OEM) Tire Sizes for the 2026 Cadillac CT4-V
Front / square fitments
Rear (staggered fitments)
Click any size to shop tires in stock now, free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2026 Cadillac CT4-V Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2026 Cadillac CT4-V configuration. Trims with different front and rear specs run a staggered setup.
2.7T
Staggered2.7L · Bolt pattern: 5x115
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–8.5" | 8.5–9" |
| Wheel offset | 35–40 mm | 35–40 mm |
| Tire width | 235–245 mm | 0 mm |
3.6T
Staggered3.6L · Bolt pattern: 5x120
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–19" | 18–19" |
| Wheel width | 9" | 9.5–10" |
| Wheel offset | 20–28 mm | 40–48 mm |
| Tire width | 245–255 mm | 0 mm |
2026 Cadillac CT4-V Fitment FAQ
What is the bolt pattern on a 2026 Cadillac CT4-V?
The 2026 Cadillac CT4-V uses 5x115 or 5x120 depending on trim, check the per-trim tables below to confirm which applies to your configuration. The centre bore is 70.3 mm.
What size tires fit a 2026 Cadillac CT4-V?
Factory (OEM) tire sizes for the 2026 Cadillac CT4-V include 235/40ZR18, 255/35ZR18, 235/35ZR19, 255/30ZR19; staggered rear fitments use 265/35ZR18, 275/35ZR18, 265/30ZR19, 275/30ZR19. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2026 Cadillac CT4-V?
Depending on trim, the 2026 Cadillac CT4-V accepts wheels from 18" up to 20" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.