2015 Buick Regal 2.4L ECOTEC with eAssist Bolt Pattern


Bolt Pattern
5x120mm = 5x4.72 inches
Tire Sizes
Option 1
235/50R17 = 26.3x9.3R17
Option 2
235/50R18 = 27.3x9.3R18

The 2015 Buick Regal 2.4L ECOTEC with eAssist bolt pattern is 5-120 mm. This means there are 5 lugs and the diameter of the circle that the lugs make up measures 120 mm or 4.72 inches across. To get a close measurement of your 5 lug bolt pattern without a bolt pattern tool you should measure from the center of one lug to the outer edge of the lug furthest from it.