The 2026 GMC Terrain delivers impressive capability in a compact SUV package. Whether you're navigating daily commutes in O'Fallon, MO, or exploring weekend destinations, this versatile vehicle offers the performance and features to handle it all.
Under the hood, the 2026 GMC Terrain features a 1.5-liter turbocharged four-cylinder engine producing 175 horsepower. This powerplant combines responsive acceleration with up to 27 MPG combined with Front-Wheel Drive configurations. The available eight-Speed Automatic transmission ensures smooth, refined shifts. A CVT option is also available on the Elevation trim.
The Terrain offers both Front-Wheel Drive and All-Wheel Drive configurations on the Elevation trim, allowing drivers to choose based on their needs. The AT4 trim comes standard with All-Wheel Drive and all-terrain tires, making it the ideal choice for drivers who frequently encounter challenging road conditions or venture off the beaten path.
For those who need to bring gear along, the AT4 trim includes a factory-installed trailer hitch as standard equipment. The Elevation trim offers an available trailering package with a trailer hitch for added versatility.
The 2026 Terrain comes equipped with comprehensive capability-enhancing technology, including:
- Adaptive Cruise Control for confident highway driving
- Blind Zone Steering Assist
- Enhanced Automatic Emergency Braking
- Intersection Automatic Emergency Braking
- Rear Cross Traffic Braking
Visit O'Fallon Buick GMC to experience the capable 2026 GMC Terrain firsthand.