What size tires fit a 2014 GMC Terrain?

The 2014 GMC Terrain uses P235/55R18 99T as the OEM tire size.

What tire pressure should a 2014 GMC Terrain have?

The recommended tire pressure for the 2014 GMC Terrain is 35 PSI front and 35 PSI rear (cold).

Can I use a different tire size on my 2014 GMC Terrain?

It is recommended to use the OEM size P235/55R18 99T. Alternative sizes may affect speedometer accuracy, handling, and clearances.

Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2014 GMC TerrainTire Size & Pressure

OEM spec from the factory service manual for the Denali, 4D Utility Wagon, 2.4L Eng VIN K, AWD, Gas variant.

Quick Answer

OEM Tire Size

P235/55R18 99T

Pressure (Front / Rear)

35 / 35 PSI

Load Index

Source: Factory service manual — 2014 GMC Terrain Denali, 4D Utility Wagon, 2.4L Eng VIN K, AWD, Gas. View full manual section →

Other specs:All specs Oil Type Coolant

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P235/55R18 99T for GMC Terrain

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Frequently Asked Questions

What size tires fit a 2014 GMC Terrain?: The 2014 GMC Terrain uses P235/55R18 99T as the OEM tire size.
What tire pressure should a 2014 GMC Terrain have?: The recommended tire pressure for the 2014 GMC Terrain is 35 PSI front and 35 PSI rear (cold).
Can I use a different tire size on my 2014 GMC Terrain?: It is recommended to use the OEM size P235/55R18 99T. Alternative sizes may affect speedometer accuracy, handling, and clearances.