2026 GMC Terrain Tire size

Depends on your trim. Choose yours, or compare them here.

  • AT4 trim level 235/65R17
  • Elevation and Denali trim levels 235/55R19
  • Denali trim level 235/50R20

2026 GMC Terrain Owner's Manual, PDF page 259

AT4 trim level with 235/65R17 tires:Open the manual at this page ↗Added Oct 17, 2026 · Updated
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Tire size · AT4 trim level · PDF page 259

AT4 trim level with 235/65R17 tires:

Tire size · Elevation and Denali trim levels · PDF page 259

Elevat and Denali trim levels with 235/55R19

Tire size · Denali trim level · PDF page 259

Denali trim level with 235/50R20 tires:

See every quote (3 values)

All versions

3 values
Applies toValueManual saysPage
AT4 trim level 235/65R17 “AT4 trim level with 235/65R17 tires:” PDF page 259 ↗
Elevation and Denali trim levels 235/55R19 “Elevat and Denali trim levels with 235/55R19” PDF page 259 ↗
Denali trim level 235/50R20 “Denali trim level with 235/50R20 tires:” PDF page 259 ↗

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