GMC Terrain specifications and photos
The 2021 GMC Terrain is a compact SUV available with both front-wheel and all-wheel drive configurations. Introduced in March 2021, this updated version of the second-generation model brings subtle styling refinements and expanded trim options.
GMC Terrain at a glance
Quick model context before comparing photos and trim-level specifications.
As a refreshed take on the second-generation crossover, the 2021 Terrain maintains its familiar overall profile while introducing targeted updates to keep it competitive in the segment. The most notable addition to the lineup is the rugged AT4 trim, designed for buyers seeking a more off-road-oriented aesthetic and capability. Whether navigating daily commutes or venturing off the beaten path, the Terrain is positioned as a versatile daily driver. With minor but effective changes to the exterior design and the introduction of new active safety features, GMC aims to enhance the appeal of this five-seat SUV for modern drivers.
- Power: 179 hp
- Engine displacement: 1490 cc
- Transmissions: 9-speed automatic
- Seating: 5 seats
Photos, trims and specifications for GMC Terrain
This model page brings gallery images, trim comparison, and detailed technical data together for the 2021 generation.
Estimate fuel cost
Use trim-level fuel consumption data to estimate monthly and yearly fuel spending.
Fuel costs are estimates. Real consumption can change with driving style, traffic, tires, weather, load, and market-specific equipment.
GMC Terrain overview
Editorial context for design, cabin, performance, practicality, and buyer notes.
Design
At first glance, the exterior changes for the 2021 model year might appear subtle. However, a closer inspection reveals a wider grille and headlights compared to its predecessor, giving the front end a more assertive presence. LED headlamps are now standard across the range, accompanied by a redesigned front bumper and new wheel designs. The new AT4 off-road version distinguishes itself with a unique grille color, an engine skid plate, and all-terrain tires. For those preferring a stealthier look, the Elevation trim offers a darkened aesthetic, while the top-tier Denali leans into a premium appearance with abundant chrome detailing.
Interior
Inside the cabin, the core layout remains largely untouched from the pre-facelift model, though updates have been made to the materials and decorative elements such as the interior trims. A notable technological upgrade is the availability of a new 8-inch digital instrument cluster display, which is exclusive to the premium Denali trim. The interior continues to offer a practical five-seat configuration, prioritizing everyday usability and passenger comfort with an emphasis on functional layout.
Performance
Powering the updated Terrain is a 1.5-liter turbocharged four-cylinder engine. This powertrain delivers 179 horsepower and 275 Nm of torque, and is exclusively paired with a nine-speed automatic transmission. Buyers can choose between front-wheel drive and all-wheel drive setups depending on their traction needs. The AT4 variant enhances capability with additional off-road electronic driving modes. Fuel economy figures for the front-wheel drive model indicate a combined consumption of 9.0 liters per 100 kilometers, while the all-wheel drive version consumes slightly more at 9.2 liters per 100 kilometers.
Practicality
The Terrain offers a practical cabin environment suitable for families and daily errands. Its five-seat layout provides adequate space for passengers. The cargo area has a capacity of 838 liters, offering generous room for luggage, groceries, or sports equipment. With a ground clearance of 201 mm and a vehicle length of 4630 mm, the SUV is capable of handling uneven roads and typical urban obstacles with ease, making it a functional choice for a variety of lifestyles.
Safety and tech
In terms of technology and driver assistance, the updated Terrain introduces lane-keeping assist and automatic emergency braking systems. A head-up display is also newly available as an optional feature, projecting vital driving information onto the windshield to help drivers keep their eyes on the road. The introduction of these systems demonstrates an increased focus on active safety and modern convenience for the driver and passengers.
Buyer notes
Prospective buyers should note that the 2021 Terrain comes with a single 1.5-liter turbocharged engine choice, streamlining the decision-making process. The primary choices come down to the drivetrain layout and the specific trim level. The lineup caters to diverse preferences, from the off-road-styled AT4 and the dark-themed Elevation to the fully equipped Denali. When comparing trims, pay attention to specific equipment differences, such as the digital instrument cluster found only on higher grades.
Trims and key specifications
Use this table to compare the main differences between available configurations.
| Trim / modification | Engine | Power | Seats | Transmission |
|---|---|---|---|---|
| 1.5i (179 hp) 9-speed automatic | 1490 cc | 179 hp | 5 | 9-speed automatic |
| 1.5i (179 hp) 9-speed automatic 4x4 | 1490 cc | 179 hp | 5 | 9-speed automatic |
Specifications can vary by market, model year, and equipment package. Use the trim sections below to review the full data for each configuration.
GMC Terrain photo gallery
17 images are collected here with the main specifications and trim data for this model.
Photo GMC Terrain
Specifications by trim
Choose a configuration below to open full technical data grouped by category.
1.5i (179 hp) 9-speed automatic 34 specifications
Specifications
Performance and consumption
| Fuel consumption city, L/100 km | 9.7 |
|---|---|
| Fuel consumption highway, L/100 km | 8.1 |
| Fuel consumption combined, L/100 km | 9 |
Engine
| Engine | 1.5i |
|---|---|
| Engine code | LYX |
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 1490 |
| Cylinder layout | Inline |
| Number of cylinders | 4 |
| Valves | 16 |
| Turbocharger | + |
| Power, hp | 179 |
| RPM at max power | 5600 |
| Torque, Nm | 275 |
| RPM at max torque | 2000-4000 |
Dimensions
| Seats | 5 |
|---|---|
| Length, mm | 4630 |
| Width, mm | 1839 |
| Height, mm | 1661 |
| Wheelbase, mm | 2725 |
| Front track, mm | 1582 |
| Rear track, mm | 1588 |
| Kerb weight, kg | 1676 |
| Fuel tank capacity, L | 59 |
| Ground clearance, mm | 201 |
| Trunk capacity, L | 838 |
Transmission and drive
| Transmission | 9-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | Front-wheel drive |
| Number of gears | 9 |
| Transmission manufacturer | GM |
| Automatic transmission | + |
| Transmission country | USA |
1.5i (179 hp) 9-speed automatic 4x4 34 specifications
Specifications
Performance and consumption
| Fuel consumption city, L/100 km | 9.9 |
|---|---|
| Fuel consumption highway, L/100 km | 8.3 |
| Fuel consumption combined, L/100 km | 9.2 |
Engine
| Engine | 1.5i |
|---|---|
| Engine code | LYX |
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 1490 |
| Cylinder layout | Inline |
| Number of cylinders | 4 |
| Valves | 16 |
| Turbocharger | + |
| Power, hp | 179 |
| RPM at max power | 5600 |
| Torque, Nm | 275 |
| RPM at max torque | 2000-4000 |
Dimensions
| Seats | 5 |
|---|---|
| Length, mm | 4630 |
| Width, mm | 1839 |
| Height, mm | 1661 |
| Wheelbase, mm | 2725 |
| Front track, mm | 1582 |
| Rear track, mm | 1588 |
| Kerb weight, kg | 1676 |
| Fuel tank capacity, L | 59 |
| Ground clearance, mm | 201 |
| Trunk capacity, L | 838 |
Transmission and drive
| Transmission | 9-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | All-wheel drive |
| Number of gears | 9 |
| Transmission manufacturer | GM |
| Automatic transmission | + |
| Transmission country | USA |
GMC Terrain questions
Short answers based on the specifications and photos available in this catalog.
What body style is the 2021 GMC Terrain?
The 2021 GMC Terrain is a five-door compact SUV designed to accommodate up to five passengers.
What engine comes with the 2021 GMC Terrain?
The vehicle is powered by a 1.5-liter turbocharged four-cylinder engine producing 179 horsepower and 275 Nm of torque.
What transmission is used in the GMC Terrain?
All versions of the 2021 GMC Terrain come equipped with a nine-speed automatic transmission.
Is the GMC Terrain available with all-wheel drive?
Yes, buyers can choose between standard front-wheel drive and optional all-wheel drive configurations.
What is the cargo capacity of the GMC Terrain?
The 2021 Terrain offers a generous cargo volume of 838 liters behind the rear seats.