Both the Terrain and the Equinox use a 1.5-liter turbocharged 4-cylinder engine paired with an 8-speed automatic transmission. The Terrain delivers 175 horsepower and is available with all-wheel drive across multiple trims. The Equinox offers a similar setup, but the Terrain takes the edge thanks to its available AT4 trim, which adds an exclusive Terrain drive mode, lifted ride height, a front skid plate with steel underbody shield, and all-terrain tires for drivers who want more capability off the beaten path.

The Terrain's cabin is designed to feel purposeful and refined. Depending on the trim, you'll find heated front seats and a heated steering wheel in the Elevation, forest storm premium cloth and CoreTec seating with Mahogany piping in the AT4, and perforated leather-appointed heated and ventilated 8-way power front seats in the Denali. The Equinox offers a comfortable interior, but the Terrain's Denali trim adds heated rear outboard seats and an available panoramic sunroof that helps it feel more premium across the board.

The 2026 GMC Terrain offers up to 63.5 cubic feet of maximum cargo volume with the rear seats folded, along with 29.8 cubic feet behind the second row. The cabin also features 60/40 split-folding rear seats, a rear cargo underfloor storage compartment, and a front center console passthrough for added flexibility. The Equinox is competitive here, but the Terrain's interior storage solutions make everyday hauling a little more thoughtful.

The Terrain comes standard with a 15-inch diagonal Premium GMC Infotainment System touchscreen and an 11-inch diagonal Driver Information Center. Google built-in compatibility lets you use Google Assistant and Google Maps directly on the center display. Available camera options include HD Surround Vision and a Rear Camera Mirror - features that give the Terrain a tech advantage, especially at the Denali trim level. The Equinox has a capable infotainment setup, but the Terrain's larger touchscreen and camera system offerings are more comprehensive.

The 2026 GMC Terrain comes packed with over 16 standard safety and driver assistance features. These include Forward Collision Alert, Front Pedestrian and Bicyclist Braking, Blind Zone Steering Assist, Rear Cross Traffic Braking, HD Rear Vision Camera, and IntelliBeam automatic high beams. The Equinox also carries a solid suite of safety technologies, but the sheer number of standard features on the Terrain means you get strong protection without having to upgrade to a higher trim.

The 2026 GMC Terrain is offered in three trims: Elevation, AT4, and Denali. Each one steps up meaningfully in features and personality. The Elevation is the entry point with a strong standard feature list, the AT4 brings off-road attitude and unique styling, and the Denali delivers a near-luxury experience. The Equinox offers its own trim walk, but the Terrain's AT4 and Denali options bring a depth of character and capability that makes each trim feel distinct rather than incremental.

Both are capable small SUVs, but the 2026 GMC Terrain consistently delivers more where it counts - whether that's premium interior materials, a larger infotainment touchscreen, off-road-ready AT4 hardware, or a comprehensive standard safety suite. For drivers in Winchester looking for a small SUV that balances comfort, capability, and technology, the Terrain is a compelling choice worth a closer look.