2019 GMC Terrain vs. 2019 Mercedes GLC Coupe

Detailed Review, Specifications & Comparison

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Safety

For enhanced safety, the GMC Terrain’s rear seat shoulder belts have child comfort guides to move the belt to properly fit children. A better fit can prevent injuries and the increased comfort also encourages children to buckle up. The Mercedes GLC Coupe doesn’t offer comfort guides on its rear seat belts.

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the Terrain are reminded to check the back seat if they opened the rear door before starting out. The GLC Coupe doesn’t offer a back seat reminder.

When descending a steep, off-road slope, the Terrain’s standard Hill Descent Control allows you to creep down safely. The GLC Coupe doesn’t offer Hill Descent Control.

To help make backing safer, the Terrain (except SL)’s optional cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The GLC Coupe doesn’t offer a cross-path warning system.

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

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and with its optional front crash prevention system, the Insurance Institute for Highway Safety grants the Terrain the rating of “Top Pick” for 2017, a rating granted to only 139 vehicles tested by the IIHS. The GLC Coupe has not been tested, yet.

Warranty

GMC’s powertrain warranty covers the Terrain 1 year and 10,000 miles longer than Mercedes covers the GLC Coupe. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the GLC Coupe ends after only 4 years or 50,000 miles.

The Terrain’s corrosion warranty is 1 year longer than the GLC Coupe’s (6 vs. 5 years).

GMC pays for scheduled maintenance on the Terrain for 2 years and 24,000 miles. GMC will pay for oil changes, lubrication and any other required maintenance (up to 2 oil changes). Mercedes doesn’t pay scheduled maintenance for the GLC Coupe.

There are almost 5 times as many GMC dealers as there are Mercedes dealers, which makes it much easier should you ever need service under the Terrain’s warranty.

Reliability

A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the Terrain’s reliability 14 points higher than the GLC Coupe.

Engine

The Terrain’s optional 2.0 turbo 4 cyl. produces 11 more horsepower (252 vs. 241) than the GLC 300 Coupe’s standard 2.0 turbo 4 cyl.

Fuel Economy and Range

On the EPA test cycle the Terrain 4 cyl. diesel AWD gets better fuel mileage than the GLC 300 Coupe with its standard engine (28 city/38 hwy vs. 21 city/27 hwy).

On the EPA test cycle the Terrain AWD with its standard engine gets better fuel mileage than the GLC 300 Coupe (24 city/28 hwy vs. 21 city/27 hwy).

To lower fuel costs and make buying fuel easier, the GMC Terrain uses regular unleaded gasoline (premium recommended with the 2.0 turbo 4 cyl. engine for maximum performance). The GLC Coupe requires premium, which can cost 20 to 55 cents more per gallon.

The Terrain has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The GLC Coupe doesn’t offer a cap-less fueling system.

Brakes and Stopping

The Terrain stops shorter than the GLC Coupe:

 

Terrain

GLC Coupe

 

60 to 0 MPH

130 feet

137 feet

Motor Trend

Tires and Wheels

The Terrain has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The GLC Coupe doesn’t offer vehicle monitored tire inflation.

Suspension and Handling

For better maneuverability, the Terrain w/17” wheels’ turning circle is 1.3 feet tighter than the GLC 300 Coupe’s (37.4 feet vs. 38.7 feet).

Chassis

The GMC Terrain may be more efficient, handle and accelerate better because it weighs about 350 to 600 pounds less than the Mercedes GLC Coupe.

The Terrain is 4 inches shorter than the GLC Coupe, making the Terrain easier to handle, maneuver and park in tight spaces.

The front grille of the Terrain uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The GLC Coupe doesn’t offer active grille shutters.

The Terrain uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The GLC Coupe doesn’t offer active noise cancellation.

Passenger Space

The Terrain has 1.1 inches more front headroom, .1 inches more front legroom, .2 inches more rear headroom and 2.5 inches more rear legroom than the GLC Coupe.

Cargo Capacity

The Terrain has a much larger cargo area with its rear seat up than the GLC Coupe with its rear seat up (29.6 vs. 17.6 cubic feet). The Terrain has a much larger cargo area with its rear seat folded than the GLC Coupe with its rear seat folded (63.3 vs. 49.4 cubic feet).

Ergonomics

The Terrain offers a remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The GLC Coupe doesn’t offer a remote starting system.

The Terrain’s instruments include an oil pressure gauge and a temperature gauge – which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The GLC Coupe does not have an oil pressure gauge.

To improve rear visibility by keeping the rear window clear, the Terrain has a standard rear fixed intermittent wiper with a full on position. The rear wiper standard on the GLC Coupe only has an intermittent setting, so in a hard rain visibility isn’t as good.

Model Availability

The Terrain is available in both front-wheel drive and four-wheel drive configurations. The GLC Coupe doesn’t offer a two-wheel drive configuration.

Recommendations

The GMC Terrain outsold the Mercedes GLC by 76% during 2017.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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