2020 Alfa Romeo Stelvio vs. 2020 Mercedes GLC

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 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 2020/08/09

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

Both the Stelvio and the GLC have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available all-wheel drive, lane departure warning systems, blind spot warning systems, front parking sensors, rear cross-path warning and driver alert monitors.

Reliability

© 1999 - 2020 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 2020/08/09

The engine in the Stelvio has a single overhead cam for simplicity. The engine in the GLC has dual overhead cams, which add to the number of moving parts and the complexity of the cylinder heads.

The GLC’s redline is at 6500 RPM, which causes more engine wear, and a greater chance of a catastrophic engine failure. The Stelvio has a 5500 RPM redline.

Engine

© 1999 - 2020 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 2020/08/09

The Stelvio’s 2.0 turbo 4 cyl. produces 25 more horsepower (280 vs. 255) and 33 lbs.-ft. more torque (306 vs. 273) than the GLC’s 2.0 turbo 4 cyl.

As tested in Motor Trend the Alfa Romeo Stelvio is faster than the Mercedes GLC:

Stelvio

GLC

Zero to 60 MPH

5.4 sec

6.9 sec

Quarter Mile

14 sec

15.2 sec

Speed in 1/4 Mile

97.3 MPH

89.6 MPH

Fuel Economy and Range

© 1999 - 2020 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 2020/08/09

On the EPA test cycle the Stelvio AWD gets better fuel mileage than the GLC 300 4MATIC (22 city/28 hwy vs. 21 city/28 hwy).

To lower fuel costs and make buying fuel easier, the Alfa Romeo Stelvio uses regular unleaded gasoline (premium recommended for maximum performance). The GLC requires premium, which can cost 20 to 55 cents more per gallon.

Brakes and Stopping

© 1999 - 2020 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 2020/08/09

The Stelvio stops shorter than the GLC:

Stelvio

GLC

60 to 0 MPH (Wet)

138 feet

143 feet

Consumer Reports

Tires and Wheels

© 1999 - 2020 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 2020/08/09

The Stelvio offers an optional space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the GLC; it requires you to depend on its run-flat tires, which limits mileage and speed before they are repaired. If a run-flat is damaged beyond repair by a road hazard your vehicle will have to be towed.

Suspension and Handling

© 1999 - 2020 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 2020/08/09

For better handling and stability, the track (width between the wheels) on the Stelvio is 1.3 inches wider in the rear than on the GLC.

The Stelvio’s front to rear weight distribution is more even (50% to 50%) than the GLC’s (53% to 47%). This gives the Stelvio more stable handling and braking.

The Stelvio Ti AWD handles at .82 G’s, while the GLC 300 4MATIC pulls only .80 G’s of cornering force in a Motor Trend skidpad test.

The Stelvio Ti AWD executes Motor Trend’s “Figure Eight” maneuver quicker than the GLC 300 4MATIC (26.9 seconds @ .67 average G’s vs. 27.3 seconds @ .65 average G’s).

For greater off-road capability the Stelvio has a 3.1 inches greater minimum ground clearance than the GLC (8.1 vs. 5 inches), allowing the Stelvio to travel over rougher terrain without being stopped or damaged.

Passenger Space

© 1999 - 2020 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 2020/08/09

The Stelvio has 2.4 inches more front headroom, .2 inches more front shoulder room and .4 inches more rear headroom than the GLC.

The front step up height for the Stelvio is 3 inches lower than the GLC (17” vs. 20”). The Stelvio’s rear step up height is 4.5 inches lower than the GLC’s (18” vs. 22.5”).

Ergonomics

© 1999 - 2020 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 2020/08/09

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

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The Stelvio offers available headlight washers to keep headlight output high. The GLC doesn’t offer headlight washers.

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

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