Certified Benz & Beemer Compares 2017 Audi Q7 VS 2017 Acura MDX Near Scottsdale, AZ

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2017 Audi Q7

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VS

2017 Acura MDX

Safety Comparison

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For enhanced safety, the front and middle seat shoulder belts of the Audi Q7 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.

Both the Q7 and MDX have child safety locks to prevent children from opening the rear doors. The Q7 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 MDX’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 Q7 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 MDX 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 Q7 offers an optional backup collision prevention system which use rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The MDX doesn’t offer backup collision prevention brakes.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the Q7. But it costs extra on the MDX.

A passive infrared night vision system optional on the Q7 helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard. The MDX doesn’t offer a night vision system.

Both the Q7 and the MDX 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.

The Audi Q7 weighs 646 to 1102 pounds more than the Acura MDX. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

Warranty Comparison

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The Q7’s corrosion warranty is 8 years longer than the MDX’s (12 vs. 4 years).

Reliability Comparison

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The camshafts in the Q7’s engine are driven by a hardened steel chain, with no maintenance needs. The MDX’s camshafts are driven by a rubber belt that needs periodic replacement. If the MDX’s cam drive belt breaks the engine could be severely damaged when the pistons hit the opened valves.

J.D. Power and Associates’ 2016 Initial Quality Study of new car owners surveyed provide the statistics that show that Audi vehicles are better in initial quality than Acura vehicles. J.D. Power ranks Audi 14th in initial quality. With 12 more problems per 100 vehicles, Acura is ranked 24th.

Engine Comparison

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The Q7 2.0T’s standard 2.0 turbo 4 cyl. produces 6 lbs.-ft. more torque (273 vs. 267) than the MDX’s 3.5 SOHC V6. The Q7 3.0T’s standard 3.0 supercharged V6 produces 43 more horsepower (333 vs. 290) and 58 lbs.-ft. more torque (325 vs. 267) than the MDX’s 3.5 SOHC V6.

As tested in Motor Trend the Q7 3.0T 3.0 supercharged V6 is faster than the Acura MDX:

 

Q7

MDX

Zero to 60 MPH

5.4 sec

6.2 sec

Quarter Mile

14 sec

14.7 sec

Speed in 1/4 Mile

100.2 MPH

94.6 MPH

Fuel Economy and Range Comparison

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The Q7 has 3 gallons more fuel capacity than the MDX (22.5 vs. 19.5 gallons), for longer range between fill-ups.

Brakes and Stopping Comparison

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For better stopping power the Q7’s brake rotors are larger than those on the MDX:

 

Q7

MDX

Front Rotors

14.8 inches

12.6 inches

Rear Rotors

13.8 inches

13 inches

The Q7’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 Q7 stops much shorter than the MDX:

 

Q7

MDX

 

70 to 0 MPH

166 feet

185 feet

Car and Driver

60 to 0 MPH

117 feet

121 feet

Motor Trend

Tires and Wheels Comparison

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For better traction, the Q7 has larger standard tires than the MDX (255/55R19 vs. 245/60R18). The Q7’s tires are larger than the largest tires available on the MDX (285/45R20 vs. 245/60R18).

The Q7’s standard tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the MDX’s standard 60 series tires. The Q7’s optional tires have a lower 40 series profile than the MDX’s optional 50 series tires.

For better ride, handling and brake cooling the Q7 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the MDX. The Q7’s optional 21-inch wheels are larger than the 20-inch wheels optional on the MDX.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the Q7 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The MDX doesn’t offer run-flat tires.

Suspension and Handling Comparison

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The Q7 offers an available 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 or off-road. The MDX’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the Q7’s wheelbase is 6.9 inches longer than on the MDX (117.9 inches vs. 111 inches).

The Q7’s front to rear weight distribution is more even (55% to 45%) than the MDX’s (57% to 43%). This gives the Q7 more stable handling and braking.

The Q7 Prestige handles at .85 G’s, while the MDX SH-AWD pulls only .82 G’s of cornering force in a Car and Driver skidpad test.

The Q7 Premium Plus executes Motor Trend’s “Figure Eight” maneuver quicker than the MDX SH-AWD (26.4 seconds @ .68 average G’s vs. 27 seconds @ .65 average G’s).

For greater off-road capability the Q7 has a greater minimum ground clearance than the MDX (8.3 vs. 7.3 inches), allowing the Q7 to travel over rougher terrain without being stopped or damaged. The Q7 w/Air Suspension’s minimum ground clearance is 2.4 inches higher than on the MDX (9.7 vs. 7.3 inches).

Chassis Comparison

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As tested by Car and Driver while under full throttle, the interior of the Q7 Prestige is quieter than the MDX SH-AWD (70 vs. 76 dB).

Passenger Space Comparison

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The Q7 has .3 inches more front headroom, .3 inches more front legroom, .5 inches more rear headroom, 2.2 inches more rear legroom, .3 inches more third row headroom and 1.1 inches more third row legroom than the MDX.

Cargo Capacity Comparison

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Pressing a switch automatically lowers or raises the Q7’s third row seats, to make changing between cargo and passengers easier. The MDX doesn’t offer automatic folding seats.

To make loading groceries and cargo easier when your hands are full, the Q7 Premium Plus/Prestige’s cargo door can be opened and closed just by waving your foot, leaving your hands completely free. The MDX doesn’t offer a hands-free gesture to open its cargo door, forcing you to put cargo down if your hands are full.

Ergonomics Comparison

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The power windows standard on both the Q7 and the MDX have locks to prevent small children from operating them. When the lock on the Q7 is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The MDX prevents the driver from operating the other windows just as it does the other passengers.

The Q7’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 standard 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 Q7 offers available headlight washers to keep headlight output high. The MDX doesn’t offer headlight washers.

To help drivers avoid possible obstacles, the Q7 offers optional cornering lights to illuminate around corners when the turn signals are activated. The MDX doesn’t offer cornering lights. The Q7 also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

To better shield the driver and front passenger’s vision, the Q7 has standard dual-element sun visors that can block glare from two directions simultaneously. The MDX doesn’t offer secondary sun visors.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Q7 has standard extendable sun visors. The MDX doesn’t offer extendable visors.

A manual rear sunshade is optional in the Q7 to help block heat and glare for the rear passengers. The MDX doesn’t offer a rear sunshade.

Economic Advantages Comparison

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Insurance will cost less for the Q7 owner. The Car Book by Jack Gillis rates the Q7 with a number “5” insurance rate while the MDX is rated higher at a number “10” rate.

According to The Car Book by Jack Gillis, the Q7 is less expensive to operate than the MDX because it costs $162 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost less on the Q7 than the MDX, including $78 less for a water pump.

Recommendations Comparison

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Consumer Reports® recommends both the Audi Q7 and the Acura MDX, based on reliability, safety and performance.

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