2018 Cadillac XT5 tire sizes
The 2018 Cadillac XT5 came from the factory with 2 tire sizes on 18" to 20" wheels. The most common size is 235/65 R18. Pick your trim below.
2018 XT5 Luxury
Factory (OE) sizes
18"wheels
Optional sizes
20"wheels
2018 XT5 Platinum
Factory (OE) sizes
20"wheels
2018 XT5 Standard
Factory (OE) sizes
18"wheels
How to read 235/65 R18
- 235
- Tread width in millimetres
- 65
- Sidewall height, % of width
- R
- Radial construction
- 18
- Wheel diameter in inches
Overall diameter: about 30.0" · Sidewall: 153 mm