2021 Cadillac XT4 tire sizes
The 2021 Cadillac XT4 came from the factory with 1 tire size on 18" wheels. The most common size is 235/60 R18. Pick your trim below.
2021 XT4 Luxury
Factory (OE) sizes
18"wheels
Optional sizes
20"wheels
2021 XT4 Sport
Factory (OE) sizes
18"wheels
Optional sizes
20"wheels
How to read 235/60 R18
- 235
- Tread width in millimetres
- 60
- Sidewall height, % of width
- R
- Radial construction
- 18
- Wheel diameter in inches
Overall diameter: about 29.1" · Sidewall: 141 mm