2018 GMC Terrain II Dimensions, Size & Specs

Production
Model Year:2018
Production Years:2017 - 2021 discontinued in 2021
1661 mm65.4 in5.4 ft
4630 mm182.3 in15.2 ft
1661 mm65.4 in5.4 ft
4630 mm182.3 in15.2 ft
1661 mm65.4 in5.4 ft
1839 mm72.4 in6.0 ft
1661 mm65.4 in5.4 ft
1839 mm72.4 in6.0 ft
1661 mm65.4 in5.4 ft
4630 mm182.3 in15.2 ft
1661 mm65.4 in5.4 ft
1839 mm72.4 in6.0 ft
1661 mm65.4 in5.4 ft
1839 mm72.4 in6.0 ft
Length
4630 mm182.3 in15.2 ft
Width
1839 mm72.4 in6.0 ft
Height
1661 mm65.4 in5.4 ft
Trunk Capacity
838 liter29.6 cu ft
Technical Details

Exterior Dimensions

Precise measurements of the 2018 GMC Terrain II, engineered for optimal performance and comfort

Dimensions
Length:4630 mm182.3 in15.2 ft
Width:1839 mm72.4 in6.0 ft
Height:1661 mm65.4 in5.4 ft
Trunk Capacity:838 liter29.6 cu ft
Trunk Capacity (Max):2294 liter81.0 cu ft
Tire Specifications
Rims Sizes:17, 18, 19
Tire Sizes:235/60 R17 (W:235 | H:60 | D:17)
235/55 R18 (W:235 | H:55 | D:18)
235/55 R19 (W:235 | H:55 | D:19)
Useful Information

About 2018 GMC Terrain II

The 2018 GMC Terrain II, produced between 2017 and 2021, is a well-rounded midsize SUV known for its balanced dimensions and versatility. Measuring 4630 mm (182.3 inches) in length, 1839 mm (72.4 inches) in width, and 1661 mm (65.4 inches) in height, this generation offers a compact yet roomy profile suitable for urban and off-road driving. The Terrain II emphasizes cargo capacity with a generous 838 liters (29.6 cubic feet) of luggage space with the rear seats up, expanding to an impressive 2294 liters (80.9 cubic feet) when rear seats are folded, enabling ample storage for longer trips or bulky items. The SUV rides on versatile rim sizes ranging from 17 to 19 inches, paired with tire sizes 235/60 R17, 235/55 R18, and 235/55 R19, providing options that balance comfort, handling, and style. This generation of the GMC Terrain showcases a practical design focused on delivering comfortable passenger space along with flexible cargo solutions, making it ideal for families and individuals seeking a reliable, midsize SUV. Its dimensions place it comfortably within the competitive segment, offering good maneuverability without sacrificing interior room.

Exceptional Features

2018 GMC Terrain II Highlights

Discover the standout features that make the 2018 GMC Terrain II a leader in its class

Engine Options

The 2018 GMC Terrain II offers multiple engine choices, including a 1.5L turbocharged four-cylinder, a 2.0L turbocharged four-cylinder, and a 1.6L turbo-diesel, providing a balance of power and fuel efficiency.

All-Wheel Drive Availability

This model includes an option for all-wheel drive (AWD), enhancing traction and stability in various driving conditions.

Infotainment System

Equipped with GMC’s IntelliLink system featuring a 7-inch touchscreen, compatibility with Apple CarPlay and Android Auto, Bluetooth connectivity, and available navigation.

Safety Features

Safety technologies include a rearview camera, forward collision alert, lane departure warning, and available blind spot monitoring with rear cross-traffic alert.

Interior Comfort and Cargo Space

Offers a spacious and comfortable cabin with premium materials, adjustable seating, and a versatile cargo area with a rear split-folding seat for increased storage capacity.
Frequently Asked Questions

FAQ

Have a question? Please check our knowledgebase first.

The 2018 GMC Terrain II measures 4630 mm (182.3 inches) in length, 1839 mm (72.4 inches) in width, and 1661 mm (65.4 inches) in height. These dimensions position the Terrain II comfortably in the compact SUV segment, offering a spacious interior while maintaining a manageable size for urban driving and parking.

The 2018 GMC Terrain II offers a generous 838 liters (29.6 cubic feet) of luggage capacity behind the rear seats, which is ample for everyday needs such as groceries or luggage for a family trip. Folding the rear seats down expands the cargo space significantly to 2294 liters (81 cubic feet), allowing for the transport of larger items like furniture or sports equipment, making it versatile for a variety of hauling needs.

Yes, the 2018 GMC Terrain II can fit into a standard residential garage. Most standard garages have width dimensions of around 2440 mm (96 inches) and a depth of about 6100 mm (240 inches), which comfortably accommodate the Terrain II's length of 4630 mm (182.3 inches) and width of 1839 mm (72.4 inches). This makes parking and storage convenient for typical home garages.

The 2018 GMC Terrain II comes with rim sizes of 17, 18, and 19 inches. Tire sizes correspond to these rims at 235/60 R17, 235/55 R18, and 235/55 R19 respectively. Larger rims and tires generally improve the SUV's aesthetics with a sportier look and can enhance handling characteristics, while smaller rims may provide a more comfortable ride and improved fuel efficiency.

With a width of 1839 mm (72.4 inches), the 2018 GMC Terrain II is competitive within the compact SUV segment. It offers a balance that contributes to a roomy interior while remaining narrow enough for ease of maneuverability in tight city spaces. This width is similar to vehicles like the Honda CR-V and Toyota RAV4, making it a practical choice for urban and suburban environments.

The 2018 GMC Terrain II stands 1661 mm (65.4 inches) tall, providing ample headroom for passengers while maintaining a relatively low profile that benefits aerodynamics and fuel efficiency. This height ensures comfortable seating for most adults and a lower risk of feeling cramped, combined with stability on the road due to a lower center of gravity compared to taller SUVs.

The 2018 GMC Terrain II is slightly larger than its predecessor, offering more interior space and increased cargo capacity. Its length of 4630 mm (182.3 inches) and width of 1839 mm (72.4 inches) represent a modest increase, enhancing overall passenger comfort and practicality. The updated dimensions allow greater versatility compared to earlier models, while retaining agility for city driving.

With 838 liters (29.6 cubic feet) of luggage space behind the rear seats and 2294 liters (81 cubic feet) with the seats folded, the 2018 GMC Terrain II excels in cargo capacity within the compact SUV class. This is comparable to or better than many competitors, such as the Ford Escape and Mazda CX-5, making it a strong choice for buyers who prioritize flexible cargo space for various needs.

The 2018 GMC Terrain II is a compact SUV known for its modern styling, smooth ride, and efficient use of space. It offers a mix of practicality and comfort, with available advanced technology and safety features. Its versatile interior, good fuel economy for its class, and a choice of rims and tires allow customization to suit different preferences, making it a well-rounded vehicle for families and daily commuters.

The 2018 GMC Terrain II offers rim sizes of 17, 18, and 19 inches, which influence both ride comfort and driving dynamics. Smaller 17-inch rims tend to provide a smoother, more cushioned ride due to higher sidewall tire profiles that absorb road imperfections better. Larger 19-inch rims offer sharper handling and a sportier appearance but may slightly reduce ride comfort and fuel efficiency due to lower profile tires and increased unsprung weight. The 18-inch rims strike a balance between comfort and performance, catering to a wide range of driver preferences.

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