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2020 GMC Terrain Review: The Ultimate Honest Assessment

The 2020 GMC Terrain offers a refined blend of comfort, technology, and efficiency that positions it as a practical choice for midsize SUV shoppers. This review walks through it...

Mara Ellison Jul 24, 2026
2020 GMC Terrain Review: The Ultimate Honest Assessment

The 2020 GMC Terrain offers a refined blend of comfort, technology, and efficiency that positions it as a practical choice for midsize SUV shoppers. This review walks through its standout features, real world capabilities, and potential drawbacks you will experience on daily drives.

Below is a structured snapshot of the 2020 Terrain, focusing on trim levels, key specs, safety features, and competitive positioning to help you compare at a glance.

Trim Engine & Drivetrain Horsepower Key Standard Safety Features Starting MSRP
S 2.4L Ecotec I4, FWD 182 hp StabiliTrak, ABS, front dual airbags $28,300
SL 2.4L Ecotec I4, FWD 182 hp StabiliTrak, ABS, backup camera, enhanced airbags $31,100
AT4 2.0L Turbo I4, FWD/AWD 228 hp StabiliTrak, ABS, backup camera, lane keep assist, headlight assist $37,600
Denali 2.0L Turbo I4, FWD/AWD 228 hp StabiliTrak, ABS, premium safety suite with blind spot monitoring, rear cross traffic alert $46,200

Everyday Comfort And Cabin Quality

Interior Materials And Seating

Inside the 2020 Terrain, upgraded materials and improved joinery give the cabin a more refined feel than many rivals in this class. Soft-touch surfaces wrap the dashboard and doors, while available leather seating surfaces add a touch of luxury that appeals to family oriented buyers.

Driver Interface And Technology

The available infotainment system features responsive touch controls, Apple CarPlay and Android Auto integration, and a decent navigation option on higher trims. Combined with a useful digital instrument cluster, the driver focused layout makes it easy to access navigation, audio, and climate settings without taking your eyes off the road for long.

Driving Dynamics And On Road Handling

Suspension And Ride Comfort

The Terrain tunes its suspension for a comfortable daily commute, absorbing highway bumps while still providing enough body control around corners. With all weather tires and a reasonably tuned chassis, the ride remains composed on winding roads, and passengers appreciate the level of isolation from rough pavement.

Towing Capacity And Efficiency

With the turbocharged engine and available AWD, the Terrain can tow up to 1,500 pounds, which is suitable for small trailers or jet skis on weekends. Fuel economy remains reasonable for the segment, with the turbo four cylinder delivering competitive highway range when paired with the automatic transmission.

Safety Suite And Driver Assistance

Active Safety Technology

Higher trims of the 2020 Terrain bring advanced safety features like lane keep assist, automatic emergency braking with pedestrian detection, and blind spot monitoring. These systems work together to help reduce driver fatigue during long trips and provide alerts when potentially unsafe situations arise on highways or in city traffic.

Crash Test Ratings And Peace Of Mind

General Motors equipped the Terrain with a robust structure and a full set of airbags, earning strong marks from safety testing organizations. The combination of stability control, traction management, and comprehensive airbag coverage gives families extra confidence when traveling in various weather conditions.

Reliability Ownership And Long Term Value

  • General Motors offers a solid warranty package that covers the powertrain and key components for several years.
  • Routine maintenance costs are reasonable, with scheduled service intervals that align with industry norms for midsize SUVs.
  • Depreciation is moderate, helping the 2020 Terrain hold its value better than some competitors in the used market.
  • Availability of parts and service support through GM dealers makes repairs and replacements more convenient.
  • Overall ownership experience tends to be positive, with comfortable seating, good visibility, and driver focused ergonomics.

FAQ

Reader questions

Is the 2020 GMC Terrain spacious enough for a growing family?

The Terrain offers comfortable second row legroom and a decent third row for children or occasional adult passengers, making it a suitable option for small families who need flexible seating.

How does the fuel economy compare to similar SUVs in its class?

With the turbocharged engine and available cylinder deactivation, the Terrain delivers competitive highway fuel economy and reasonable city numbers, though some rivals may offer slightly better efficiency depending on driving conditions.

Does the Terrain handle snowy or rainy conditions well?

Standard stability control, traction management, and available AWD help the Terrain maintain grip in wet or light snowy weather, though owners in heavy winter climates may still prefer dedicated winter tires for extreme conditions.

Are the infotainment and connectivity features up to date for 2020?

The available system provides smooth Apple CarPlay and Android Auto integration, responsive touch controls, and useful navigation, ensuring that connectivity and entertainment remain accessible and easy to use on longer drives.

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