2019 Lexus UX Series vs. 2019 Acura RDX

Detailed Review, Specifications & Comparison

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Safety

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

Both the UX Series and the RDX have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front wheel drive, 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, available blind spot warning systems, rear parking sensors and rear cross-path warning.

Warranty

The UX Series’ corrosion warranty is 1 year longer than the RDX’s (6 vs. 5 years).

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 Acura vehicles. J.D. Power ranks Lexus 8th in initial quality, above the industry average. With 15 more problems per 100 vehicles, Acura is ranked 20th, below the industry average.

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 Acura vehicles. J.D. Power ranks Lexus first in reliability, above the industry average. With 60 more problems per 100 vehicles, Acura is ranked 20th.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Lexus vehicles are more reliable than Acura vehicles. Consumer Reports ranks Lexus first in reliability. Acura is ranked 13th.

Fuel Economy and Range

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

 

 

UX Series

RDX

 

2WD

200/Auto

29 city/37 hwy

22 city/28 hwy

2.0 Turbo/Auto

 

 

n/a

22 city/27 hwy

2.0 Turbo/Auto A-Spec

4WD

 

n/a

21 city/27 hwy

2.0 Turbo/Auto

 

250h/Auto

41 city/38 hwy

21 city/26 hwy

2.0 Turbo/Auto A-Spec

Regenerative brakes improve the UX Series Hybrid’s fuel efficiency by converting inertia back into energy instead of wasting it. The RDX 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 RDX requires premium for maximum efficiency, 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 RDX doesn’t offer a CVT.

Tires and Wheels

The UX Series’ tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the RDX’s standard 55 series tires.

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

Suspension and Handling

For better maneuverability, the UX Series’ turning circle is 4.7 feet tighter than the RDX’s (34.2 feet vs. 38.9 feet).

Chassis

The Lexus UX Series may be more efficient, handle and accelerate better because it weighs about 450 to 500 pounds less than the Acura RDX.

The UX Series is 9.8 inches shorter than the RDX, making the UX Series easier to handle, maneuver and park in tight spaces.

Passenger Space

The UX Series has .5 inches more front legroom and 2.4 inches more rear hip room than the RDX.

Servicing Ease

J.D. Power and Associates surveys of service recipients show that Lexus service is better than Acura. J.D. Power ranks Lexus third in service department satisfaction. With a 26% lower rating, Acura is ranked 12th.

Ergonomics

To help drivers avoid possible obstacles, the UX Series F SPORT has standard cornering lights to illuminate around corners when the turn signals are activated. The RDX doesn’t offer cornering lights.

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

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