Used 2019 GMC Terrain SUV Trims Comparison

The base SL trim can only be had with the turbocharged 1.5-liter four-cylinder engine (170 hp, 203 lb-ft of torque) and a nine-speed automatic transmission driving the front wheels. Standard features include 17-inch alloy wheels, automatic headlights, heated mirrors, privacy glass, keyless ignition and entry, a rearview camera, height-adjustable front seats, a leather-wrapped steering wheel, two USB ports for the front seats, two charging-only USB ports for the rear, front and rear 110-volt power outlets, a 7-inch touchscreen, Bluetooth, Apple CarPlay and Android Auto compatibility, and a six-speaker sound system with satellite radio and an auxiliary audio jack. GM's Teen Driver system and OnStar emergency communications are also standard. Trailering equipment is the only major optional upgrade available for the SL. Beyond that, it can't be upgraded. In fact, only three paint colors are available, and only white doesn't come with an added cost.

Despite adding nearly $3,000 to the cost, the SLE trim pads on only an auto-dimming rearview mirror, a compact spare tire, a handful of interior trim-piece upgrades and extra color choices. However, the SLE also gets access to a host of options and packages.

Packages include the Driver Convenience package, which offers an eight-way power driver seat, heated front seats, dual-zone automatic climate control, roof rails and remote ignition. The Infotainment I package adds an 8-inch touchscreen, a navigation system, an enhanced rearview camera, a color gauge cluster display, an SD card reader, two extra USB ports in the center console box, and a 110-volt outlet for the rear seat. The Driver Alert I package adds rear parking sensors, blind-spot and rear cross-traffic warning systems, and GM's Safety Alert seat that vibrates the driver's seat in response to the various warning systems. Some of these add-ons can be had individually, along with a panoramic sunroof and trailering equipment.

If you don't want your Terrain to be too shiny, opt for the Black Edition appearance package, which is available for the SLE and the SLT. But if you'd like your Terrain extra shiny, check off the box for the Chrome package that's available for the SLT.

Stepping up to the SLT trim also gets you leather upholstery and the Driver Convenience and Infotainment I packages (except for navigation). Upgrades for the SLT include the Driver Alert I package and the Driver Alert II package, which adds low-speed forward collision warning with pedestrian detection and automatic emergency braking, lane departure warning, lane keeping assist, automatic high beams, and adaptive cruise control. The Infotainment II package adds navigation and a seven-speaker Bose stereo system. Also available is the Preferred package, which includes a hands-free and programmable power liftgate, driver-seat memory settings, a six-way power passenger seat and a heated steering wheel.

The SLE and the SLT come standard with the 1.5-liter engine, but both can be optioned with the other engines. The more powerful turbocharged 2.0-liter four-cylinder (252 hp, 260 lb-ft of torque) comes with dual exhaust tips, upgraded brakes and larger wheels. Also available is a turbocharged 1.6-liter four-cylinder diesel engine (137 hp, 240 lb-ft of torque) paired with a six-speed automatic transmission. GMC estimates the diesel will return 40 mpg highway. Equipping the diesel engine also adds the Driver Convenience package for the SLE and the Preferred package for the SLT.

At the top of the Terrain range is the Denali, which can only be had with the 2.0-liter engine. The Denali receives unique styling cues and interior trim, as well as Denali-specific 19-inch wheels, LED headlights, and most of the equipment from the above option packages. One exception is the Driver Alert II package, which remains optional. The Denali's Comfort package adds ventilated front seats and heated rear seats, as well as a wireless phone charging pad. Its Advanced Safety package includes a surround-view parking camera system and an automated parking system.

A panoramic sunroof is optional on all but the base SL.