2015 Buick Regal Tire Pressure & Sizes


On this page you can first find a list of the trims for the 2015 Buick Regal along with the tire sizes you can expect to find on them.

Once you have your correct tire size you can then scroll down to the pressures chart and cross-reference it to find the recommended front and rear pressure rating.

Trim Size Icon 2015 Buick Regal Trims

Buick Regal models built during 2015 were offered in the following trims with these tire sizes fitted as standard.

Trim Name Tire Size/s
2.0L Turbo

  • 235/50R18 Pressure Icon Cart Icon
  • 245/40R19 Pressure Icon Cart Icon
Base Model

  • 235/50R18 Pressure Icon Cart Icon
GS

  • 245/40R19 Pressure Icon Cart Icon
  • 255/35R20 Pressure Icon Cart Icon
Premium eAssist

  • 235/50R17 Pressure Icon Cart Icon
  • 235/50R18 Pressure Icon Cart Icon

Tire Pressure Icon 2015 Regal Tire Pressures By Size

Buick Regal models built in 2015 with the following tire sizes are recommended to be kept at the following pressures.

Tire Size Front Rear
255/35R20 97(Y) 38 PSI 38 PSI
P235/50R17 95T

"P" tires are designed for carrying "passengers" only

33 PSI 33 PSI
P235/50R18 97V

"P" tires are designed for carrying "passengers" only

33 PSI 33 PSI
P245/40R19 94W

"P" tires are designed for carrying "passengers" only

35 PSI 35 PSI

What Do These Numbers Mean?

When comparing tires you will find that they display various numbers and codes along the edges.

These numbers help you choose the right tire (size and speed rating) for your car and the following image shows you what each of them mean:

Tire codes guide

Buick Regal

Buick Regal Image

We have found 4 different tire sizes for the 2015 Buick Regal as well as the correct pressure to inflate them to.