2026 GMC Terrain Interior

 
The GMC Terrain is classified as a compact SUV, but the interior of the GMC Terrain is anything but cramped. The engineers at GM have designed a remarkably roomy cabin for the Terrain, despite its exterior dimensions, which are optimized for parking in tight spaces around Duncan. Take a moment to learn about more highlights of the Terrain, like the 2026 GMC Terrain cargo space and upholstery options. Once you’ve read our guide, fill out a pre-approval form and connect with John Holt GMC to schedule a test drive. Our dealership is in Chickasha.
 

Interior of the GMC Terrain: Dimensions

The 2026 GMC Terrain comfortably seats five Lawton passengers in its spacious cabin. As you can see by the GMC Terrain interior measurements listed below, each seat is refreshingly roomy. You and your crew will enjoy plenty of stretching space, even in a fully packed cabin. As for the GMC Terrain cargo space, there’s more than enough room for larger items like bikes. Key GMC Terrain dimensions include:

• Seating capacity: 5
• Cargo volume (behind first/second): 63.50 / 29.80 cubic feet
• Headroom (first/second): 40.58 inches / 39.18 inches
• Shoulder room (first/second): 57.69 inches / 55.7 inches
• Hip room (first/second): 55.25 inches / 51.0 inches
• Legroom (first/second): 43.95 inches / 39.7 inches

Interior of the GMC Terrain: Colors & Upholstery Options

The GMC Terrain interior can be upholstered in a wide variety of materials with several colors to consider. To start visualizing the cabin of your next Terrain, review available upholstery colors and materials for each trim level below:

Elevation (FWD/AWD)

• After Dark, Premium cloth seat trim
• Gideon Gray / After Dark, Premium cloth seat trim
• After Dark, CoreTec seat trim
• Gideon Gray / After Dark, CoreTec seat trim

AT4

• Forest Storm w/ Mahogany Accents, Cloth/CoreTec seat trim

Denali

• After Dark, Perforated Leather-appointed seat trim
• Light Ash Gray/Very Dark Atmosphere, Perforated Leather-appointed seat trim

See the GMC Terrain Cargo Space Near Blanchard

It’s difficult to get a sense of how roomy the GMC Terrain dimensions are without seeing the GMC Terrain interior for yourself. Call John Holt GMC at 405-224-0475 to arrange a test drive or simply swing by our showroom during our business hours. But first, read our informative overview of the 2026 GMC Terrain engine options.