2019 Audi Q5 vs. 2019 Infiniti QX50

Detailed Review, Specifications & Comparison

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Safety

The Q5’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 Q5 and QX50 have child safety locks to prevent children from opening the rear doors. The Q5 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 Q5 has standard Secondary Collision Brake Assist, which automatically apply 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 Q5. But it costs extra on the QX50.

Both the Q5 and the QX50 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, 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 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 Q5 the rating of “Top Pick” for 2017, a rating granted to only 139 vehicles tested by the IIHS. The QX50 has not been tested, yet.

Warranty

The Q5’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 Q5’s warranty.

Reliability

The Audi Q5’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.

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 Q5’s reliability 42 points higher than the QX50.

Engine

As tested in Motor Trend the Audi Q5 is faster than the Infiniti QX50:

 

Q5

QX50

Zero to 60 MPH

5.9 sec

6.7 sec

Quarter Mile

14.5 sec

15.2 sec

Speed in 1/4 Mile

94.6 MPH

91.8 MPH

Fuel Economy and Range

Regenerative brakes improve the Q5’s fuel efficiency by converting inertia back into energy instead of wasting it. The QX50 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the Q5’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 Q5 uses regular unleaded gasoline (premium recommended for maximum performance). The QX50 requires premium, which can cost 20 to 55 cents more per gallon.

The Q5 has 2.5 gallons more fuel capacity than the QX50 (18.5 vs. 16 gallons), for longer range between fill-ups.

Transmission

The Q5’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

For better stopping power the Q5’s brake rotors are larger than those on the QX50:

 

Q5

QX50

Front Rotors

13.3 inches

13 inches

Rear Rotors

13 inches

12.1 inches

Passenger Space

The Q5 has .7 inches more front headroom, 1.4 inches more front legroom and .2 inches more rear headroom than the QX50.

Cargo Capacity

Pressing a switch automatically lowers the Q5’s rear seats, to make changing between passengers and cargo easier. The QX50 doesn’t offer automatic folding seats.

Towing

The Q5’s standard towing capacity is much higher than the QX50’s (4400 vs. 0 pounds).

Servicing Ease

The engine in the Q5 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

The power windows standard on both the Q5 and the QX50 have locks to prevent small children from operating them. When the lock on the Q5 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 Q5 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 Q5’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 Q5 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.

The Q5’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Infiniti only offers heated mirrors on the QX50 Essential.

The Q5 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 Q5 has standard heated front seats. Heated front seats cost extra on the QX50, and are only available on the QX50 Luxe/Essential. The Q5 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.

Standard Audi Smartphone Interface for the Q5 allows the driver and passengers access to select programs on their smartphones, including reading text messages aloud, finding fuel prices at nearby service stations, searching the internet and other connected activities without taking their eyes off the road or their hands from the wheel. The QX50 doesn’t offer factory integrated smartphone program access.

The Q5 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.

Economic Advantages

Insurance will cost less for the Q5 owner. The Car Book by Jack Gillis rates the Q5 with a number “5” insurance rate while the QX50 is rated higher at a number “10” rate.

According to The Car Book by Jack Gillis, the Q5 is less expensive to operate than the QX50 because typical repairs cost much less on the Q5 than the QX50, including $51 less for a water pump, $19 less for a timing belt/chain and $841 less for a power steering pump.

Recommendations

Consumer Reports® recommends the Audi Q5, based on reliability, safety and performance. The Infiniti QX50 isn't recommended.

The Audi Q5 outsold the Infiniti QX50 by over three to one during the 2018 model year.

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

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