2020 Chevrolet Blazer vs. 2020 GMC Terrain

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/10/21

For enhanced safety, the front and rear (child comfort guides) seat shoulder belts of the Chevrolet Blazer are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The GMC Terrain doesn’t offer height-adjustable front seat belts.

Both the Blazer and the Terrain have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available crash mitigating brakes, lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

Warranty

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There are over 73 percent more Chevrolet dealers than there are GMC dealers, which makes it much easier should you ever need service under the Blazer’s warranty.

Reliability

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J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Chevrolet vehicles are better in initial quality than GMC vehicles. J.D. Power ranks Chevrolet 6th in initial quality, above the industry average. With 9 more problems per 100 vehicles, GMC is ranked 12th, below the industry average.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Chevrolet vehicles are more reliable than GMC vehicles. J.D. Power ranks Chevrolet fourth in reliability, above the industry average. With 46 more problems per 100 vehicles, GMC is ranked 22nd.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Chevrolet vehicles are more reliable than GMC vehicles. Consumer Reports ranks Chevrolet 2 places higher in reliability than GMC.

Engine

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The Blazer has more powerful engines than the Terrain:

Horsepower

Torque

Blazer 2.5 DOHC 4-cylinder

193 HP

188 lbs.-ft.

Blazer 2.0 turbo 4-cylinder

230 HP

258 lbs.-ft.

Blazer 3.6 DOHC V6

308 HP

270 lbs.-ft.

Terrain 1.5 turbo 4-cylinder

170 HP

203 lbs.-ft.

Terrain 2.0 turbo 4-cylinder

252 HP

260 lbs.-ft.

As tested in Consumer Reports the Chevrolet Blazer V6 is faster than the GMC Terrain 2.0 turbo 4-cylinder:

Blazer

Terrain

Zero to 30 MPH

2.7 sec

2.8 sec

Zero to 60 MPH

6.4 sec

7.2 sec

45 to 65 MPH Passing

3.1 sec

4.7 sec

Quarter Mile

15 sec

15.6 sec

Speed in 1/4 Mile

96 MPH

93 MPH

Fuel Economy and Range

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/10/21

An engine control system that can shut down half of the engine’s cylinders helps improve the Blazer V6’s fuel efficiency. The Terrain doesn’t offer a system that can shut down part of the engine.

The Blazer FWD’s standard fuel tank has 4.5 gallons more fuel capacity than the Terrain FWD’s standard fuel tank (19.4 vs. 14.9 gallons), for longer range between fill-ups. The Blazer AWD’s standard fuel tank has 6.1 gallons more fuel capacity than the Terrain AWD’s standard fuel tank (21.7 vs. 15.6 gallons).

Brakes and Stopping

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For better stopping power the Blazer’s brake rotors are larger than those on the Terrain:

Blazer

Terrain 1.5T

Terrain 2.0T

Front Rotors

12.64 inches

11.8 inches

12.6 inches

Rear Rotors

12.4 inches

11.3 inches

11.3 inches

The Blazer stops shorter than the Terrain:

Blazer

Terrain

60 to 0 MPH

126 feet

130 feet

Motor Trend

Tires and Wheels

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For better traction, the Blazer has larger standard tires than the Terrain (235/65R18 vs. 225/65R17). The Blazer RS/Premier’s optional tires are larger than the largest tires available on the Terrain (265/45R21 vs. 235/50R19).

The Blazer RS/Premier’s optional tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Terrain’s optional 50 series tires.

For better ride, handling and brake cooling the Blazer has standard 18-inch wheels. Smaller 17-inch wheels are standard on the Terrain. The Blazer RS/Premier’s optional 21-inch wheels are larger than the 19-inch wheels optional on the Terrain.

The Chevrolet Blazer’s wheels have 6 lugs for longer wheel bearing life, less chance of rotor warping and greater strength. The GMC Terrain only has 5 wheel lugs per wheel.

Suspension and Handling

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The Blazer has standard front and rear stabilizer bars, which help keep the Blazer flat and controlled during cornering. The Terrain’s suspension doesn’t offer a rear stabilizer bar.

For a smoother ride and more stable handling, the Blazer’s wheelbase is 5.4 inches longer than on the Terrain (112.7 inches vs. 107.3 inches).

For better handling and stability, the track (width between the wheels) on the Blazer is 4.1 inches wider in the front and 3.7 inches wider in the rear than on the Terrain.

The Blazer RS 4x4 handles at .83 G’s, while the Terrain Denali AWD pulls only .79 G’s of cornering force in a Motor Trend skidpad test.

The Blazer RS 4x4 executes Motor Trend’s “Figure Eight” maneuver quicker than the Terrain Denali AWD (27.1 seconds @ .65 average G’s vs. 27.5 seconds @ .64 average G’s).

For greater off-road capability the Blazer has a greater minimum ground clearance than the Terrain SLE (7.4 vs. 6.9 inches), allowing the Blazer to travel over rougher terrain without being stopped or damaged.

Passenger Space

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The Blazer has 4.6 cubic feet more passenger volume than the Terrain (107.8 vs. 103.2).

The Blazer has .1 inches more front legroom, 1.2 inches more front hip room, 1.9 inches more front shoulder room, .1 inches more rear headroom, 2.4 inches more rear hip room and 3 inches more rear shoulder room than the Terrain.

Cargo Capacity

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The Blazer has a larger cargo volume with its rear seat up than the Terrain with its rear seat up (30.5 vs. 29.6 cubic feet). The Blazer has a larger cargo volume with its rear seat folded than the Terrain with its rear seat folded (64.2 vs. 63.3 cubic feet).

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the Blazer. The Terrain doesn’t offer locking storage for small valuables.

Towing

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/10/21

Maximum trailer towing in the GMC Terrain is limited to 3500 pounds. The Blazer 4x4 offers up to a 4500 lbs. towing capacity.

Servicing Ease

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The Blazer uses gas struts to support the hood for easier service access. The Terrain uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.

Ergonomics

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Consumer Reports rated the Blazer’s headlight performance “Very Good,” a higher rating than the Terrain’s headlights, which were rated “Good.”

The Blazer has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning costs extra on the Terrain and isn’t available on the Terrain SL.

The Blazer’s standard automatic temperature control maintains the temperature you set, automatically controlling fan speed, vents and temperature to maintain a consistent, comfortable environment. The Terrain SL doesn’t offer automatic air conditioning.

The Blazer (except L)’s available GPS navigation system has a real-time traffic update feature that plots alternative routes to automatically bypass traffic problems. (Service not available in all areas.) The Terrain’s available navigation system doesn’t offer real-time traffic updates.

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