1978 Cadillac Deville tire sizes
The 1978 Cadillac Deville came from the factory with 1 tire size on 15" wheels. The most common size is 215/75 R15.
1978 Deville Base Model
Factory (OE) sizes
15"wheels
How to read 215/75 R15
- 215
- Tread width in millimetres
- 75
- Sidewall height, % of width
- R
- Radial construction
- 15
- Wheel diameter in inches
Overall diameter: about 27.7" · Sidewall: 161 mm