2020 Audi A4 Allroad vs. 2020 Infiniti QX50

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 2020/02/23

The A4 Allroad’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The QX50 doesn’t offer pre-crash pretensioners.

Both the A4 Allroad and QX50 have child safety locks to prevent children from opening the rear doors. The A4 Allroad has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The QX50’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

The A4 Allroad has a standard Audi Backguard System, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Audi Backguard System moves the headrests forward to prevent neck and spine injuries. At the same time the pretensioning seatbelts fire, removing slack from the belts. The QX50 doesn’t offer a whiplash protection system.

The A4 Allroad has a standard Secondary Collision Brake Assist, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The QX50 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.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the A4 Allroad. But it costs extra on the QX50.

Both the A4 Allroad and the QX50 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, 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, rearview cameras, available lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and its standard front crash prevention system, the Insurance Institute for Highway Safety grants the A4 Allroad the rating of “Top Pick” for 2017, a rating granted to only 184 vehicles tested by the IIHS. The QX50 has not been tested, yet.

Warranty

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The A4 Allroad’s corrosion warranty is 5 years longer than the QX50’s (12 vs. 7 years).

There are over 42 percent more Audi dealers than there are Infiniti dealers, which makes it easier should you ever need service under the A4 Allroad’s warranty.

Reliability

© 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 2020/02/23

The Audi A4 Allroad’s engine uses a cast iron block for durability, while the QX50’s engine uses an aluminum block. Aluminum engine blocks are much more prone to warp and crack at high temperatures than cast iron.

To reliably power the ignition and other systems and to recharge the battery, the A4 Allroad has a standard 150-amp alternator. The QX50’s 130-amp alternator isn’t as powerful.

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 A4 Allroad’s reliability 29 points higher than the QX50.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Audi vehicles are more reliable than Infiniti vehicles. J.D. Power ranks Audi 8th in reliability, above the industry average. With 4 more problems per 100 vehicles, Infiniti is ranked 11th.

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 2020/02/23

As tested in Motor Trend the Audi A4 Allroad is faster than the Infiniti QX50:

A4 Allroad

QX50

Zero to 60 MPH

5.5 sec

6.7 sec

Quarter Mile

14.1 sec

15.2 sec

Speed in 1/4 Mile

97.6 MPH

91.8 MPH

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 2020/02/23

On the EPA test cycle the A4 Allroad gets better fuel mileage than the QX50:

MPG

A4 Allroad

AWD

2.0 turbo 4-cyl.

23 city/31 hwy

QX50

FWD

2.0 turbo 4-cyl.

23 city/29 hwy

AWD

2.0 turbo 4-cyl.

22 city/28 hwy

In heavy traffic or at stoplights the A4 Allroad’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The QX50 doesn’t offer an automatic engine start/stop system.

To lower fuel costs and make buying fuel easier, the Audi A4 Allroad uses regular unleaded gasoline (premium recommended for maximum performance). The QX50 requires premium, which can cost 20 to 55 cents more per gallon.

Transmission

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The A4 Allroad’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The QX50 doesn’t offer launch control.

Brakes and Stopping

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For better stopping power the A4 Allroad’s brake rotors are larger than those on the QX50:

A4 Allroad

QX50

Front Rotors

13.3 inches

13 inches

Rear Rotors

13 inches

12.1 inches

The A4 Allroad stops shorter than the QX50:

A4 Allroad

QX50

60 to 0 MPH

119 feet

126 feet

Motor Trend

Tires and Wheels

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For better traction, the A4 Allroad has larger tires than the QX50 (245/45R18 vs. 235/55R19).

The A4 Allroad’s tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the QX50’s standard 55 series tires.

The A4 Allroad has a standard space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the QX50; it requires you to depend on its run-flat tires, which limits mileage and speed before they are repaired. If a run-flat is damaged beyond repair by a road hazard your vehicle will have to be towed.

Suspension and Handling

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The A4 Allroad has standard front and rear gas-charged shocks for better control over choppy roads. The QX50’s suspension doesn’t offer gas-charged shocks.

The A4 Allroad has a standard driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads. The QX50’s suspension doesn’t offer adjustable shock absorbers.

The A4 Allroad Premium Plus executes Motor Trend’s “Figure Eight” maneuver quicker than the QX50 Essential AWD (26.3 seconds @ .69 average G’s vs. 26.9 seconds @ .64 average G’s).

Chassis

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The A4 Allroad is 7.2 inches shorter in height than the QX50, making the A4 Allroad much easier to wash and garage and drive (lower center of gravity).

Towing

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The A4 Allroad’s standard towing capacity is much higher than the QX50’s (3968 vs. 0 pounds).

Servicing Ease

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The engine in the A4 Allroad is mounted longitudinally (North-South), instead of sideways, as in the QX50. This makes it easier to service and maintain, because the accessory belts are in front.

Ergonomics

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The power windows standard on both the A4 Allroad and the QX50 have locks to prevent small children from operating them. When the lock on the A4 Allroad is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The QX50 prevents the driver from operating the other windows just as it does the other passengers.

If the windows are left open on the A4 Allroad the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the QX50 can only close the windows from inside the vehicle, with the ignition on.

The A4 Allroad’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 QX50’s standard intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

Heated windshield washer nozzles are standard on the A4 Allroad to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The QX50 doesn’t offer heated windshield washer nozzles.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The A4 Allroad Prestige has standard headlight washers to keep headlight output high. The QX50 doesn’t offer headlight washers.

The A4 Allroad’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Infiniti only offers heated mirrors on the QX50 Essential/Sensory/Autograph.

The A4 Allroad offers optional automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The QX50 offers an automatic rear view mirror, but its side mirrors don’t dim.

The A4 Allroad has standard heated front seats. Heated front seats cost extra on the QX50, and aren’t available on the QX50 Pure. The A4 Allroad Premium Plus/Prestige also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the QX50.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Audi A4 Allroad Premium Plus/Prestige has a standard wireless phone charging system (Qi) in the center console. The QX50 doesn’t offer wireless personal charging.

The A4 Allroad Prestige’s Park Steering Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The QX50 doesn’t offer an automated parking system.

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 2020/02/23

The Audi A4/S4 outsold the Infiniti QX50 by 42% during 2019.

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