2020 Mercedes GLB vs. 2020 Lexus NX Series

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 2020/01/27

For enhanced safety, the front and middle seat shoulder belts of the Mercedes GLB have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision. The Lexus NX Series doesn’t offer pretensioners for the middle seat belts.

Both the GLB and the NX Series have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, 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, driver alert monitors, available all-wheel drive, lane departure warning systems, blind spot warning systems and around view monitors.

Warranty

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There are over 59 percent more Mercedes dealers than there are Lexus dealers, which makes it much easier should you ever need service under the GLB’s warranty.

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 2020/01/27

The GLB’s 2.0 turbo 4-cylinder produces 27 more horsepower (221 vs. 194) and 59 lbs.-ft. more torque (258 vs. 199) than the NX 300h’s standard 2.5 DOHC 4-cylinder hybrid.

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 2020/01/27

On the EPA test cycle the GLB gets better fuel mileage than the NX Series:

GLB

NX Series

2WD

2.0 turbo 4 cyl./Auto

23 city/30 hwy

22 city/28 hwy

2.0 4 cyl./Auto

4WD

2.0 turbo 4 cyl./Auto

23 city/31 hwy

22 city/28 hwy

2.0 4 cyl./Auto

n/a

22 city/27 hwy

2.0 4 cyl./Auto

The GLB has 1.1 gallons more fuel capacity than the NX Series Hybrid’s standard fuel tank (15.9 vs. 14.8 gallons), for longer range between fill-ups.

Transmission

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An eight-speed automatic (SMG) is standard on the Mercedes GLB, for better acceleration and lower engine speed on the highway. Only a six-speed automatic is available for the NX Series.

The GLB offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The NX Series doesn’t offer an SMG or a conventional manual transmission.

Tires and Wheels

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For better traction, the GLB has larger tires than the NX Series (235/55R18 vs. 225/65R17).

The GLB’s standard tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the NX Series’ standard 65 series tires. The GLB’s optional tires have a lower 50 series profile than the NX Series F Sport’s 55 series tires.

For better ride, handling and brake cooling the GLB has standard 18-inch wheels. Smaller 17-inch wheels are standard on the NX Series. The GLB’s optional 20-inch wheels are larger than the 18-inch wheels optional on the NX Series.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the GLB can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The NX Series doesn’t offer run-flat tires.

Suspension and Handling

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The GLB’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The NX Series doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the GLB’s wheelbase is 6.7 inches longer than on the NX Series (111.4 inches vs. 104.7 inches).

For better handling and stability, the track (width between the wheels) on the GLB is 1.2 inches wider in the front and 1.2 inches wider in the rear than the average track on the NX Series.

For greater off-road capability the GLB has a 1.2 inches greater minimum ground clearance than the NX 300h (7.9 vs. 6.7 inches), allowing the GLB to travel over rougher terrain without being stopped or damaged. The GLB’s minimum ground clearance is 1 inch higher than on the NX 300 (7.9 vs. 6.9 inches).

Chassis

© 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 2020/01/27

The Mercedes GLB may be more efficient, handle and accelerate better because it weighs about 300 pounds less than the Lexus NX Series.

The design of the Mercedes GLB amounts to more than styling. The GLB has an aerodynamic coefficient of drag of .32 Cd. That is lower than the NX Series (.34) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the GLB get better fuel mileage.

Passenger Space

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The GLB offers optional seating for 7 passengers; the NX Series can only carry 5.

The GLB has 2.5 inches more front headroom, 1.2 inches more rear headroom and 2 inches more rear legroom than the NX Series.

Cargo Capacity

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

GLB

NX Series

Third Seat Folded

24 cubic feet

n/a

Third Seat Removed

n/a

17.7 cubic feet

Second Seat Folded

62 cubic feet

54.6 cubic feet

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 2020/01/27

Unlike the driver-only memory system optional at extra cost in the NX Series, the GLB has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position (with optional power wheel adjuster) and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The GLB offers an optional heads-up display that projects speed and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The NX Series doesn’t offer a heads-up display.

The GLB’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The NX Series’ power lock, power mirror and cruise control switches are unlit, making them difficult to find at night and operate safely.

The GLB’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The NX Series’ standard manually variable intermittent wipers have to be constantly adjusted.

The GLB offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the NX Series.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes GLB offers an optional wireless phone charging system (Qi) in the center console. The NX Series doesn’t offer wireless personal charging.

The GLB’s optional Active Parking Assist can parallel park by itself, stopping and changing direction automatically. The NX Series doesn’t offer an automated parking system.

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