2019 Cadillac CT6 Tire size
Depends on your trim. Choose yours, or compare them here.
- 18-inch tire option 235/50R18 97V
- 20-inch tire option (W-rated) 245/40R20 95W
- 20-inch tire option (Y-rated) 245/40ZR20 95Y
235/50R18 97V
18-inch tire option
245/40R20 95W
20-inch tire option (W-rated)
245/40ZR20 95Y
20-inch tire option (Y-rated)
2019 Cadillac CT6 Owner's Manual, PDF page 349
Vehicles with 235/50R18 97V or 245/Open the manual at this page ↗Added Oct 15, 2026
See where it's printed
Tire size · 18-inch tire option · PDF page 349
Vehicles with 235/50R18 97V or 245/
Tire size · 20-inch tire option (W-rated) · PDF page 349
Vehicles with 245/40R20 95W size
Tire size · 20-inch tire option (Y-rated) · PDF page 349
Vehicles with 245/40ZR20 95Y size
2019 Cadillac CT6 Owner's Manual, PDF page 349
Vehicles with 235/50R18 97V or 245/Open the manual at this page ↗Added Oct 15, 2026
See where it's printed
Tire size · 18-inch tire option · PDF page 349
Vehicles with 235/50R18 97V or 245/
2019 Cadillac CT6 Owner's Manual, PDF page 349
Vehicles with 245/40R20 95W sizeOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Tire size · 20-inch tire option (W-rated) · PDF page 349
Vehicles with 245/40R20 95W size
2019 Cadillac CT6 Owner's Manual, PDF page 349
Vehicles with 245/40ZR20 95Y sizeOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Tire size · 20-inch tire option (Y-rated) · PDF page 349
Vehicles with 245/40ZR20 95Y size
See every quote (3 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 18-inch tire option | 235/50R18 97V | “Vehicles with 235/50R18 97V or 245/” | PDF page 349 ↗ |
| 20-inch tire option (W-rated) | 245/40R20 95W | “Vehicles with 245/40R20 95W size” | PDF page 349 ↗ |
| 20-inch tire option (Y-rated) | 245/40ZR20 95Y | “Vehicles with 245/40ZR20 95Y size” | PDF page 349 ↗ |
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