2020 Lexus LX 570 vs. 2020 Acura MDX

Detailed Review, Specifications & Comparison

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Safety

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For enhanced safety, the front and middle seat shoulder belts of the Lexus LX 570 have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Acura MDX doesn’t offer pretensioners for the middle seat belts.

For enhanced safety, the front and middle seat shoulder belts of the Lexus LX 570 are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Acura MDX doesn’t offer height-adjustable middle seat belts.

The LX 570 has standard Active Headrests, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Headrests system moves the headrests forward to prevent neck and spine injuries. The MDX doesn’t offer a whiplash protection system.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the LX 570. But it costs extra on the MDX.

Both the LX 570 and the MDX have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, 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 and rearview cameras.

The Lexus LX 570 weighs 1314 to 1968 pounds more than the Acura MDX. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

Warranty

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The LX 570’s corrosion warranty is 1 year longer than the MDX’s (6 vs. 5 years).

Reliability

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A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the LX 570’s reliability 21 points higher than the MDX.

J.D. Power and Associates’ 2019 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 20 more problems per 100 vehicles, Acura is ranked 24th, below the industry average.

J.D. Power and Associates’ 2019 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 65 more problems per 100 vehicles, Acura is ranked 26th.

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.

Engine

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The LX 570’s 5.7 DOHC V8 produces 93 more horsepower (383 vs. 290) and 136 lbs.-ft. more torque (403 vs. 267) than the MDX’s standard 3.5 SOHC V6. The LX 570’s 5.7 DOHC V8 produces 62 more horsepower (383 vs. 321) and 114 lbs.-ft. more torque (403 vs. 289) than the MDX Sport Hybrid’s standard 3.0 SOHC V6 hybrid.

Fuel Economy and Range

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To lower fuel costs and make buying fuel easier, the Lexus LX 570 uses regular unleaded gasoline (premium recommended for maximum performance). The MDX requires premium, which can cost 20 to 55 cents more per gallon.

The LX 570 has 5.2 gallons more fuel capacity than the MDX Sport Hybrid’s standard fuel tank (24.6 vs. 19.4 gallons), for longer range between fill-ups. The LX 570 has 5.1 gallons more fuel capacity than the MDX’s standard fuel tank (24.6 vs. 19.5 gallons).

Brakes and Stopping

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For better stopping power the LX 570’s brake rotors are larger than those on the MDX:

LX 570

MDX

MDX Sport Hybrid

Front Rotors

13.9 inches

12.6 inches

13 inches

Rear Rotors

13.5 inches

13 inches

13 inches

The LX 570’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the MDX are solid, not vented.

The LX 570 stops shorter than the MDX:

LX 570

MDX

60 to 0 MPH

118 feet

121 feet

Motor Trend

Tires and Wheels

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For better traction, the LX 570 has larger standard tires than the MDX (275/50R21 vs. 245/60R18). The LX 570’s tires are larger than the largest tires available on the MDX (285/50R20 vs. 265/45R20).

The LX 570’s tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the MDX’s standard 60 series tires.

For better ride, handling and brake cooling the LX 570 has standard 20-inch wheels. Smaller 18-inch wheels are standard on the MDX. The LX 570’s optional 21-inch wheels are larger than the 20-inch wheels optional on the MDX.

The LX 570 has a standard full size spare tire so a flat doesn’t interrupt your trip. A full size spare isn’t available on the MDX, it requires you to depend on a temporary spare, which has mileage and speed limitations, or roadside assistance and a tow-truck.

Suspension and Handling

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The LX 570 has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The LX 570’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The MDX doesn’t offer a load leveling suspension.

For a smoother ride and more stable handling, the LX 570’s wheelbase is 1.2 inches longer than on the MDX (112.2 inches vs. 111 inches).

The LX 570’s front to rear weight distribution is more even (51% to 49%) than the MDX’s (57% to 43%). This gives the LX 570 more stable handling and braking.

For greater off-road capability the LX 570 has a 1.6 inches greater minimum ground clearance than the MDX (8.9 vs. 7.3 inches), allowing the LX 570 to travel over rougher terrain without being stopped or damaged.

Passenger Space

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The LX 570 has standard seating for 8 passengers; the MDX can only carry 7.

The LX 570 has 10.7 cubic feet more passenger volume than the MDX (143.4 vs. 132.7).

For enhanced passenger comfort on long trips the LX 570’s middle and third row seats recline. The MDX’s third row seats don’t recline.

Cargo Capacity

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A low lift-over cargo hatch design makes loading and unloading the LX 570 easier. The LX 570’s cargo hatch lift-over height is 28.8 inches, while the MDX’s liftover is 31.5 inches.

Pressing a switch automatically lowers or raises the LX 570’s third row seats, to make changing between cargo and passengers easier. The MDX doesn’t offer automatic folding seats.

The LX 570’s rear cargo window opens separately from the rest of the tailgate door to allow quicker loading of small packages. The MDX’s rear cargo window doesn’t open.

Payload and Towing

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The LX 570’s standard towing capacity is much higher than the MDX’s (7000 vs. 3500 pounds).

While the MDX SH-AWD Sport Hybrid is not recommended to tow, any LX 570 can tow a minimum of 7000 pounds.

The LX 570 has a higher standard payload capacity than the MDX (1280 vs. 1173 lbs.).

Servicing Ease

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The engine in the LX 570 is mounted longitudinally (North-South), instead of sideways, as in the MDX. This makes it easier to service and maintain, because there are no rear spark plugs and the accessory belts are in front.

J.D. Power and Associates surveys of service recipients show that Lexus service is better than Acura. J.D. Power ranks Lexus second in service department satisfaction. With a 15% lower rating, Acura is ranked 6th.

Ergonomics

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Unlike the driver-only memory system in the MDX, the LX 570 has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The LX 570’s instruments include an oil pressure gauge and a temperature gauge - which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The MDX does not have an oil pressure gauge.

The LX 570’s power window, power lock and power mirror switches are lit from behind, making them plainly visible and easier to operate at night. The MDX’s power mirror switches are unlit, making them difficult to find at night and operate safely.

The LX 570’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 MDX’s intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The LX 570 has standard headlight washers to keep headlight output high. The MDX 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 LX 570 has standard extendable sun visors. The MDX doesn’t offer extendable visors.

Optional air-conditioned the front and second row seats keep the LX 570’s passengers comfortable and take the sting out of hot leather in summer. The MDX doesn’t offer air-conditioned seats for the second row.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Lexus LX 570 Three-Row offers an optional wireless phone charging system (Qi) in the center console. The MDX doesn’t offer wireless personal charging.

Economic Advantages

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The LX 570 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the LX 570 will retain 49.94% to 53.36% of its original price after five years, while the MDX only retains 40.03% to 44.9%.

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

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