2019 Lexus UX Series vs. 2019 Infiniti QX30

Detailed Review, Specifications & Comparison

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Safety

The UX Series has standard Whiplash Injury Lessening Front Seatbacks, which use a specially designed seat to protect the driver and front passenger from whiplash. During a rear-end collision, the Whiplash Injury Lessening Front Seatbacks system allows the backrest to travel backwards to cushion the occupants and the headrests move forward to prevent neck and spine injuries. The QX30 doesn’t offer a whiplash protection system.

The UX Series has standard Secondary Collision Brake, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The QX30 doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

Over 200 people are killed each year when backed over by motor vehicles. The UX Series offers optional Parking Support Brake that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The QX30 doesn’t offer backup collision prevention brakes.

To help make backing safer, the UX Series’ optional 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 QX30 doesn’t offer a cross-path warning system.

The UX Series’ driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The QX30 doesn’t offer a driver alert monitor.

Compared to metal, the UX Series’ plastic fuel tank can withstand harder, more intrusive impacts without leaking; this decreases the possibility of fire. The Infiniti QX30 has a metal gas tank.

Both the UX Series and the QX30 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, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available blind spot warning systems and rear parking sensors.

Warranty

There are over 12 percent more Lexus dealers than there are Infiniti dealers, which makes it easier should you ever need service under the UX Series’ warranty.

Reliability

J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Lexus vehicles are better in initial quality than Infiniti vehicles. J.D. Power ranks Lexus 8th in initial quality, above the industry average. With 8 more problems per 100 vehicles, Infiniti is ranked 14th.

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Lexus vehicles are more reliable than Infiniti vehicles. J.D. Power ranks Lexus first in reliability, above the industry average. With 21 more problems per 100 vehicles, Infiniti is ranked fourth.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Lexus vehicles are more reliable than Infiniti vehicles. Consumer Reports ranks Lexus first in reliability. Infiniti is ranked 6th.

Fuel Economy and Range

On the EPA test cycle the UX Series gets better fuel mileage than the QX30:

 

 

 

MPG

UX Series

 

FWD

200 2.0 DOHC 4 cyl.

29 city/37 hwy

 

AWD

200h 2.0 4 cyl. Hybrid

41 city/38 hwy

QX30

 

FWD

2.0 turbo 4 cyl.

24 city/33 hwy

 

AWD

2.0 turbo 4 cyl.

21 city/30 hwy

Regenerative brakes improve the UX 250h’s fuel efficiency by converting inertia back into energy instead of wasting it. The QX30 doesn’t offer a regenerative braking system.

To lower fuel costs and make buying fuel easier, the Lexus UX Series uses regular unleaded gasoline. The QX30 requires premium, which can cost 20 to 55 cents more per gallon.

Transmission

The UX Series has a standard continuously variable transmission (CVT). With no “steps” between gears, it can keep the engine at the most efficient speed for fuel economy, or keep it at its peak horsepower indefinitely for maximum acceleration. The QX30 doesn’t offer a CVT.

Suspension and Handling

For better maneuverability, the UX Series’ turning circle is 2.4 feet tighter than the QX30 AWD’s (34.2 feet vs. 36.6 feet). The UX Series’ turning circle is 3.1 feet tighter than the QX30’s (34.2 feet vs. 37.3 feet).

Passenger Space

The UX Series has .8 inches more front legroom, 1.7 inches more front hip room, .3 inches more front shoulder room and 3.3 inches more rear hip room than the QX30.

Cargo Capacity

The UX Series has a much larger cargo volume than the QX30 with its rear seat up (21.7 vs. 19.2 cubic feet).

To make loading and unloading groceries and cargo easier when your hands are full, the UX Series’ power liftgate can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The QX30 doesn’t offer a power or hands-free opening liftgate.

Ergonomics

The UX Series has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The QX30 doesn’t offer a remote starting system.

The UX Series offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The QX30 doesn’t offer a heads-up display.

The UX Series’ front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The QX30’s rear power window switches have to be held the entire time to open or close them fully.

To improve rear visibility by keeping the rear window clear, the UX Series has a standard rear fixed intermittent wiper with a full on position. The rear wiper standard on the QX30 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 UX Series offers available headlight washers to keep headlight output high. The QX30 doesn’t offer headlight washers.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the UX Series has standard extendable sun visors. The QX30 doesn’t offer extendable visors.

Optional air-conditioned seats in the UX Series keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The QX30 doesn’t offer air-conditioned seats.

On extremely cold winter days, the UX Series’ optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the vehicle heater warms up. The QX30 doesn’t offer a heated steering wheel.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Lexus UX Series offers an optional wireless phone charging system (Qi) in the center console. The QX30 doesn’t offer wireless personal charging.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Lexus UX Series offers an optional wireless phone charging system (Qi) in the center console. The QX30 doesn’t offer wireless personal charging.

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

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