2021 GMC Terrain for Sale in Johnston, RI


The 2021 GMC Terrain is a stylish and upscale yet rugged crossover that flaunts a spacious interior and an efficient powertrain. For the 2021 model year, the turbocharged 2.0-liter four-cylinder engine is no longer offered. Other than that, it’s still the same smooth-riding and para-luxury five-seater that drivers have come to know and love.

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Trims and Powertrains

The 2021 GMC Terrain is sold in SLE, SLT, and Denali trim levels (the Denali will be available at a later date). A blacked-out Elevation Edition is also offered. They’re all propelled by a turbocharged 1.5-liter four-cylinder engine making 170 hp and 203 lb.-ft. of torque. It gets a nine-speed automatic transmission and standard front-wheel drivetrain; for greater traction and stability, all-wheel drive is available. All trims will be capable of towing up to 1,500 pounds. According to EPA estimates, the FWD versions of the 2021 GMC Terrain get 25 mpg around town and 30 mpg on the highway, while the AWD versions return 25 mpg city/28 mpg highway.

Standard and Optional Features

The SLE comes with LED headlights, heated side mirrors, rear privacy glass, keyless entry and ignition, a backup camera, and a hill descent control system. The optional Driver Convenience Package supplies roof rails, remote engine start, dual-zone automatic climate control, heated front seats, and a power-adjustable driver’s seat. The SLT adds the contents of the Driver Convenience Package, along with a hands-free liftgate and leather upholstery. For this trim, an optional Preferred Package will supply a power-adjustable front passenger’s seat, memory functions for the side mirrors and driver’s seat, and a heated leather-wrapped steering wheel. The top-of-the-line Denali gets as standard the items from each optional package, along with a premium suspension with enhanced shock control and fog lights. The Denali Premium Package dials up the luxury factor with ventilated front seats and heated rear seats. The Elevation Edition is given a stylish blacked-out exterior.


The SLE’s infotainment system has a 7-inch touchscreen, Apple CarPlay. Android Auto, Amazon Alexa, Bluetooth hands-free and audio streaming capability, a 4G LTE Wi-Fi hotspot, and a six-speaker audio system. The optional Infotainment I Package will upgrade things with an 8-inch infotainment touchscreen, integrated navigation, satellite radio, two USB data ports, and a 110-volt power outlet. The SLT includes those optional features, but it can be enhanced further with the Infotainment II Package (a premium seven-speaker Bose audio system and HD radio). The Denali gets those optional items as standard equipment.


Each of the 2021 GMC Terrain trim levels has the Pro Safety suite of active driver aids consisting of forward collision warning with front pedestrian detection, automatic emergency braking, lane-keep assist with lane departure warning, a following distance indicator, and automatic high beams. The SLE and SLT are eligible for the Pro Safety Plus Package, which issues rear park assist, lane change alert with side blind-zone alert, and rear cross-traffic alert; adaptive cruise control is available. Most of these driver aids are standard on the Denali trim, aside from adaptive cruise control, which can be added through the Denali Premium Package. The Denali Premium Package also yields a surround-view camera system and automatic parking assist.

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