2012 Buick Regal tire sizes
The 2012 Buick Regal came from the factory with 3 tire sizes on 17" to 19" wheels. The most common size is 235/50 R18. Pick your trim below.
2012 Regal 2.0L Turbo
Factory (OE) sizes
18"wheels
Optional sizes
19"wheels
2012 Regal 2.4L
Factory (OE) sizes
18"wheels
Optional sizes
19"wheels
2012 Regal eAssist
Factory (OE) sizes
17"wheels
2012 Regal GS
Factory (OE) sizes
19"wheels
Optional sizes
20"wheels
How to read 235/50 R18
- 235
- Tread width in millimetres
- 50
- Sidewall height, % of width
- R
- Radial construction
- 18
- Wheel diameter in inches
Overall diameter: about 27.3" · Sidewall: 118 mm