2020 Acura RDX vs. 2020 Mercedes GLE

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 2019/12/15

Both the RDX and the GLE 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, blind spot warning systems, around view monitors and rear cross-path warning.

For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, its standard front crash prevention system, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the RDX its highest rating: “Top Pick Plus” for 2019, a rating granted to only 55 vehicles tested by the IIHS. The GLE has not been tested, yet.

Warranty

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Acura’s powertrain warranty covers the RDX 2 years and 20,000 miles longer than Mercedes covers the GLE. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the GLE ends after only 4 years or 50,000 miles.

Reliability

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From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Acura vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Acura 4 places higher in reliability than Mercedes.

Engine

© 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 2019/12/15

The RDX’s 2.0 turbo 4 cyl. produces 17 more horsepower (272 vs. 255) and 7 lbs.-ft. more torque (280 vs. 273) than the GLE 350’s standard 2.0 turbo 4 cyl.

Fuel Economy and Range

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On the EPA test cycle the RDX gets better fuel mileage than the GLE:

MPG

RDX

FWD

2.0 Turbo 4-cyl.

22 city/28 hwy

A-spec 2.0 Turbo 4-cyl.

22 city/27 hwy

AWD

2.0 Turbo 4-cyl.

21 city/27 hwy

A-spec 2.0 Turbo 4-cyl.

21 city/26 hwy

GLE

FWD

2.0 Turbo 4-cyl.

20 city/27 hwy

AWD

2.0 Turbo 4-cyl.

19 city/26 hwy

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

The RDX 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 GLE doesn’t offer a cap-less fueling system.

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Acura RDX higher (6 out of 10) than the Mercedes GLE (5 to 6). This means the RDX produces up to 6.9 pounds less smog-producing pollutants than the GLE every 15,000 miles.

Transmission

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A 10-speed automatic is standard on the Acura RDX, for better acceleration and lower engine speed on the highway. Only a nine-speed automatic is available for the GLE.

Brakes and Stopping

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The RDX stops shorter than the GLE:

RDX

GLE

60 to 0 MPH

127 feet

132 feet

Consumer Reports

60 to 0 MPH (Wet)

129 feet

138 feet

Consumer Reports

Tires and Wheels

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The RDX A-Spec’s tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the GLE’s optional 45 series front tires.

The RDX 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 GLE doesn’t offer vehicle monitored tire inflation.

The RDX AWD has a standard space-saver spare (not available on A-Spec) so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the GLE; it requires you to depend on roadside assistance and your vehicle will have to be towed.

Suspension and Handling

© 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 2019/12/15

For greater off-road capability the RDX has a greater minimum ground clearance than the GLE (8.2 vs. 7.9 inches), allowing the RDX to travel over rougher terrain without being stopped or damaged.

Chassis

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The Acura RDX may be more efficient, handle and accelerate better because it weighs about 900 pounds less than the Mercedes GLE.

The RDX is 7.5 inches shorter than the GLE, making the RDX easier to handle, maneuver and park in tight spaces.

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

Passenger Space

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The RDX has 1.3 inches more front legroom and .4 inches more front shoulder room than the GLE.

Cargo Capacity

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The RDX has a larger cargo volume with its rear seat folded than the GLE with its rear seat folded (79.8 vs. 75 cubic feet).

Ergonomics

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

Consumer Reports rated the RDX’s headlight performance “Good,” a higher rating than the GLE’s headlights, which were rated “Poor.”

Recommendations

© 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 2019/12/15

The Acura RDX outsold the Mercedes GLE by 43% during the 2019 model year.

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

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