2021 GMC Terrain Tire Pressure & Sizes


On this page you can first find a list of the trims for the 2021 GMC Terrain 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 2021 GMC Terrain Trims

GMC Terrain models built during 2021 were offered in the following trims with these tire sizes fitted as standard.

Trim Name Tire Size/s
Denali

  • 235/50R19 Pressure Icon Cart Icon
Elevation Edition

  • 235/50R19 Pressure Icon Cart Icon
SLE

  • 225/65R17 Pressure Icon Cart Icon
  • 225/60R18 Pressure Icon Cart Icon
  • 235/50R19 Pressure Icon Cart Icon
SLT

  • 225/60R18 Pressure Icon Cart Icon
  • 235/50R19 Pressure Icon Cart Icon

Tire Pressure Icon 2021 Terrain Tire Pressures By Size

GMC Terrain models built in 2021 with the following tire sizes are recommended to be kept at the following pressures.

Tire Size Front Rear
225/60R18 100H 35 PSI 35 PSI
225/65R17 102H 35 PSI 35 PSI
235/50R19 99H 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

GMC Terrain

GMC Terrain Image

We have found 4 different tire sizes for the 2021 GMC Terrain as well as the correct pressure to inflate them to.