2020 Infiniti QX50 vs. 2020 Lexus UX Series

Detailed Review, Specifications & Comparison

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Safety

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The QX50 Essential/Sensory/Autograph has a standard Around View® Monitor to allow the driver to see objects all around the vehicle on a screen. The UX Series only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

Both the QX50 and the UX Series have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, front wheel drive, height adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras and available all wheel drive.

Warranty

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The QX50 comes with a full 4-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The UX Series’ 4-year/50,000-mile basic warranty expires 10,000 miles sooner.

The QX50’s corrosion warranty is 1 year longer than the UX Series’ (7 vs. 6 years).

Engine

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The QX50’s 2.0 turbo 4-cylinder produces 99 more horsepower (268 vs. 169) and 129 lbs.-ft. more torque (280 vs. 151) than the UX 200’s standard 2.0 DOHC 4-cylinder. The QX50’s 2.0 turbo 4-cylinder produces 87 more horsepower (268 vs. 181) than the UX 250h’s standard 2.0 DOHC 4-cylinder hybrid.

As tested in Motor Trend the Infiniti QX50 is faster than the Lexus UX Series:

QX50

UX 200

UX 250h

Zero to 60 MPH

6.3 sec

8.5 sec

8.3 sec

Quarter Mile

14.8 sec

16.5 sec

16.3 sec

Speed in 1/4 Mile

93.6 MPH

85.6 MPH

87.3 MPH

Fuel Economy and Range

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The QX50 has 5.4 gallons more fuel capacity than the UX Series Hybrid’s standard fuel tank (16 vs. 10.6 gallons), for longer range between fill-ups. The QX50 has 3.6 gallons more fuel capacity than the UX Series’ standard fuel tank (16 vs. 12.4 gallons).

Brakes and Stopping

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For better stopping power the QX50’s brake rotors are larger than those on the UX Series:

QX50

UX Series

Front Rotors

13 inches

12 inches

Rear Rotors

12.1 inches

11.1 inches

The QX50’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the UX Series are solid, not vented.

The QX50 stops shorter than the UX Series:

QX50

UX Series

60 to 0 MPH

121 feet

129 feet

Motor Trend

60 to 0 MPH (Wet)

130 feet

143 feet

Consumer Reports

Tires and Wheels

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For better traction, the QX50 has larger standard tires than the UX Series (235/55R19 vs. 225/50R18). The QX50 Sensory/Autograph’s tires are larger than the largest tires available on the UX Series (255/45R20 vs. 225/50R18).

The QX50 Sensory/Autograph’s tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the UX Series’ 50 series tires.

For better ride, handling and brake cooling the QX50 has standard 19-inch wheels. Only 18-inch wheels are available on the UX Series. The QX50 Sensory/Autograph has standard 20-inch wheels.

The QX50 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 UX Series doesn’t offer vehicle monitored tire inflation.

Suspension and Handling

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For a smoother ride and more stable handling, the QX50’s wheelbase is 6.3 inches longer than on the UX Series (110.2 inches vs. 103.9 inches).

For better handling and stability, the average track (width between the wheels) on the QX50 is 3.4 inches wider in the front and 3 inches wider in the rear than the track on the UX Series.

The QX50 Essential AWD handles at .84 G’s, while the UX 200 pulls only .78 G’s of cornering force in a Motor Trend skidpad test.

The QX50 Essential AWD executes Motor Trend’s “Figure Eight” maneuver 1.5 seconds quicker than the UX 200 (26.7 seconds @ .66 average G’s vs. 28.2 seconds @ .62 average G’s).

Chassis

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The QX50 uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The UX Series doesn’t offer active noise cancellation.

Passenger Space

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The QX50 has 14 cubic feet more passenger volume than the UX Series (104.4 vs. 90.4).

The QX50 has 3.8 inches more front headroom, 1.8 inches more front hip room, 2.9 inches more front shoulder room, 2.8 inches more rear headroom, 5.6 inches more rear legroom, 1.5 inches more rear hip room and 4.2 inches more rear shoulder room than the UX Series.

For enhanced passenger comfort on long trips the QX50’s rear seats recline. The UX Series’ rear seats don’t recline.

Cargo Capacity

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The QX50 has a much larger cargo volume with its rear seat up than the UX Series (31.4 vs. 21.7 cubic feet).

Towing

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The QX50 AWD Autograph offers up to a 3000 lbs. towing capacity. The UX Series has no towing capacity.

Servicing Ease

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The QX50 uses gas struts to support the hood for easier service access. The UX Series uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.

Ergonomics

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The QX50’s standard speed-sensitive wipers speed up when the vehicle does, so that the driver doesn’t have to continually adjust the speed of the wipers. The UX Series’ standard manually variable intermittent wipers have to be constantly adjusted.

Manual rear side window sunshades are available in the QX50 to help block heat and glare for the rear passengers. The UX Series doesn’t offer rear side window sunshades.

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 2020/07/13

Consumer Reports® recommends both the Infiniti QX50 and the Lexus UX Series, based on reliability, safety and performance.

The Infiniti QX50 outsold the Lexus UX Series by 11% during 2019.

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