2020 Land Rover Discovery vs. 2020 Mercedes GLB

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 2020/08/05

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the Discovery. But it costs extra on the GLB.

To help make backing safer, the Discovery’s 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 GLB doesn’t offer a cross-path warning system.

Both the Discovery and the GLB have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front and rear seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, driver alert monitors and available around view monitors.

The Land Rover Discovery weighs 844 to 1262 pounds more than the Mercedes GLB. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

Warranty

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The Discovery’s corrosion warranty is 1 year longer than the GLB’s (6 vs. 5 years).

Engine

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The Discovery’s 3.0 supercharged V6 produces 119 more horsepower (340 vs. 221) and 74 lbs.-ft. more torque (332 vs. 258) than the GLB’s 2.0 turbo 4-cylinder.

The Discovery’s 3.0 turbo V6 diesel produces 33 more horsepower (254 vs. 221) and 185 lbs.-ft. more torque (443 vs. 258) than the GLB’s 2.0 turbo 4-cylinder.

Fuel Economy and Range

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The Discovery Diesel’s standard fuel tank has 6.5 gallons more fuel capacity than the GLB (22.4 vs. 15.9 gallons), for longer range between fill-ups. The Discovery Gas’ standard fuel tank has 7.9 gallons more fuel capacity than the GLB (23.8 vs. 15.9 gallons).

Brakes and Stopping

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For better stopping power the Discovery’s brake rotors are larger than those on the GLB:

Discovery Td6

Discovery P340

GLB

Front Rotors

13.7 inches

14.3 inches

13 inches

Rear Rotors

12.8 inches

13.8 inches

12.6 inches

The Discovery’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the GLB are solid, not vented.

Tires and Wheels

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For better traction, the Discovery’s optional tires are larger than the largest tires available on the GLB (285/40R22 vs. 235/55R18).

The Discovery’s optional tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the GLB’s optional 50 series tires.

For better ride, handling and brake cooling the Discovery has standard 19-inch wheels. Smaller 18-inch wheels are standard on the GLB. The Discovery’s optional 22-inch wheels are larger than the 20-inch wheels optional on the GLB.

Suspension and Handling

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For a smoother ride and more stable handling, the Discovery’s wheelbase is 3.6 inches longer than on the GLB (115 inches vs. 111.4 inches).

For better handling and stability, the average track (width between the wheels) on the Discovery is 3.3 inches wider in the front and 3.2 inches wider in the rear than the track on the GLB.

For greater off-road capability the Discovery has a greater minimum ground clearance than the GLB (8.7 vs. 7.9 inches), allowing the Discovery to travel over rougher terrain without being stopped or damaged. The Discovery Air Suspension’s minimum ground clearance is 3.2 inches higher than on the GLB (11.1 vs. 7.9 inches).

Chassis

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

Passenger Space

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The Discovery has 4.5 inches more front shoulder room, 4.6 inches more rear shoulder room, 3.1 inches more third row headroom, 4.4 inches more third row legroom and 3.4 inches more third row shoulder room than the GLB.

Flexibility is maximized at the game, campground or a drive-in theatre in the Discovery when its optional tailgating rear seats are deployed, allowing people to sit facing out of the liftgate. (Do not use while vehicle is in motion.) The GLB doesn’t offer tailgating seats.

Cargo Capacity

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The Discovery’s cargo area provides more volume than the GLB.

Discovery

GLB

Behind Third Seat

11.8 cubic feet

5.1 cubic feet

Third Seat Folded

40.2 cubic feet

24 cubic feet

Third Seat Removed

43.5 cubic feet

n/a

Second Seat Folded

88.3 cubic feet

62 cubic feet

The Discovery has a standard third row seat which folds flat into the floor. This completely clears a very large cargo area quickly. The GLB doesn’t offer seats that fold into the floor.

Both the Discovery and the GLB offer second row automatic folding seats. The Discovery’s optional third row seats also fold up or down at the press of a button. The GLB doesn’t offer automatic folding third row seats.

Servicing Ease

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The engine in the Discovery is mounted longitudinally (North-South), instead of sideways, as in the GLB. This makes it easier to service and maintain, because the accessory belts are in front.

Ergonomics

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Heated windshield washer nozzles are optional on the Discovery to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The GLB doesn’t offer heated windshield washer nozzles.

To improve rear visibility by keeping the rear window clear, the Discovery has a standard rear fixed intermittent wiper with a full on position. The rear wiper standard on the GLB only has an intermittent setting, so in a hard rain visibility isn’t as 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 Discovery offers available headlight washers to keep headlight output high. The GLB doesn’t offer headlight washers.

Both the Discovery and the GLB offer optional heated front seats. The Discovery also offers optional heated second row seats and the Discovery HSE/HSE Luxury offers optional heated third row seats to keep all passengers extremely comfortable in the winter. Neither heated second nor third row seats are available in the GLB.

Optional air-conditioned the front and second row seats keep the Discovery’s passengers comfortable and take the sting out of hot leather in summer. The GLB doesn’t offer air-conditioned seats for the second row.

Recommendations

© 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 2020/08/05

The Land Rover Discovery outsold the Mercedes GLB by almost 8 to one during 2019.

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