GMC SUVs by Size: Smallest to Largest 

2026 GMC Terrain exterior image 

A daily commute along University Avenue and a family trip into Provo Canyon can call for very different footprints. Sorting through GMC SUVs is easier once you know how much space each one gives your passengers and your gear. Provo GMC Cadillac ranks the lineup from smallest to largest so you can find the right fit for your household. 

GMC Terrain 

The GMC Terrain is the most compact option, measuring about 181 inches long with seating for five. A 1.5-liter turbocharged engine produces 175 horsepower, and a 15-inch diagonal touchscreen keeps navigation front and center. You get 29.8 cubic feet behind the rear seat and up to 63.5 cubic feet with it folded, enough for ski bags or a weekend of groceries. 

2026 GMC Acadia exterior image 

GMC Acadia 

Growing families often land on the GMC Acadia, which measures about 204 inches long and seats up to eight. Behind the third row, 23 cubic feet holds backpacks and sports gear, and folding every rear seat opens up a maximum of 97.5 cubic feet. A 2.5-liter turbocharged engine puts out 328 horsepower for confident highway merging. 

2026 GMC Hummer exterior image 

GMC HUMMER EV SUV 

Next in line, the GMC HUMMER EV SUV measures 206.7 inches with its rear-mounted spare and seats up to five. An available 830 horsepower gives you instant acceleration up a steep canyon grade, and a GM-estimated range of up to 319 miles covers a round trip to Salt Lake City more than three times.* 

2026 GMC Yukon exterior image 

GMC Yukon 

Stretching 210.1 inches, the GMC Yukon gives you full-size room with three rows and seating for up to eight. Cargo space measures 25.5 cubic feet behind the third row and 122.8 cubic feet at maximum. Properly equipped, this new GMC model tows up to 8,400 lbs, enough to bring a boat along to Utah Lake. 

GMC Yukon XL 

At 225.2 inches long, the GMC Yukon XL is the largest SUV in the range. Its 134.1-inch wheelbase makes room for 41.5 cubic feet behind the third row and 144.5 cubic feet at maximum, while 36.7 inches of third-row legroom keeps adults comfortable on long road trips. 

Find Your GMC SUV at Provo GMC Cadillac 

The right size depends on how many seats you fill and how much gear you bring along. Visit our GMC dealership in Provo, UT, to take a test drive of the models on your shortlist. Our team can also walk you through GMC financing so your next SUV fits your budget as well as your garage. 

*Actual range may vary based on several factors, including ambient temperature, terrain, battery age and condition, loading, and how you use and maintain your vehicle.  


Expert Vehicle Care

Schedule Service

Flexible Financing

Explore Your Options