2020 Audi Q7 vs. 2020 Mercedes E-Class Wagon

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 2020/03/29

Both the Q7 and E-Class Wagon 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 E-Class Wagon’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 E-Class Wagon 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 that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The E-Class Wagon doesn’t offer backup collision prevention brakes.

When descending a steep, off-road slope, the Q7’s standard Hill Descent Assist allows you to creep down safely. The E-Class Wagon doesn’t offer Hill Descent Assist.

A passive infrared night vision system optional on the Q7 Prestige 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 E-Class Wagon doesn’t offer a night vision system.

Both the Q7 and the E-Class Wagon have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front and rear seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, all-wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available blind spot warning systems, around view monitors and rear cross-path warning.

The Audi Q7 weighs 441 to 739 pounds more than the Mercedes E-Class Wagon. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the Audi Q7 is safer than the Mercedes E-Class Wagon:

Q7

E-Class Wagon

Front Seat

STARS

5 Stars

5 Stars

Chest Movement

.8 inches

1.1 inches

Abdominal Force

128 G’s

149 G’s

Into Pole

STARS

5 Stars

5 Stars

HIC

290

326

Spine Acceleration

40 G’s

43 G’s

Hip Force

557 lbs.

836 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and with its optional front crash prevention system, the Insurance Institute for Highway Safety grants the Q7 the rating of “Top Pick” for 2017, a rating granted to only 185 vehicles tested by the IIHS. The E-Class Wagon has not been tested, yet.

Warranty

© 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 2020/03/29

The Q7’s corrosion warranty is 7 years longer than the E-Class Wagon’s (12 vs. 5 years).

Reliability

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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 Mercedes vehicles. J.D. Power ranks Audi 8th in reliability, above the industry average. With 10 more problems per 100 vehicles, Mercedes is ranked 13th.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Audi vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Audi 7 places higher in reliability than Mercedes.

Fuel Economy and Range

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Regenerative brakes improve the Q7 55 TFSI’s fuel efficiency by converting inertia back into energy instead of wasting it. The E-Class Wagon doesn’t offer a regenerative braking system.

The Q7 55 TFSI’s standard fuel tank has 1.4 gallons more fuel capacity than the E-Class Wagon (22.5 vs. 21.1 gallons).

Brakes and Stopping

© 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 2020/03/29

For better stopping power the Q7 55 TFSI’s front brake rotors are larger than those on the E-Class Wagon:

Q7 55 TFSI

E-Class Wagon

Front Rotors

14.8 inches

14.2 inches

The Q7 stops much shorter than the E-Class Wagon:

Q7

E-Class Wagon

70 to 0 MPH

160 feet

182 feet

Car and Driver

Tires and Wheels

© 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 2020/03/29

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

The Q7 Prestige’s optional tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the E-Class Wagon’s optional 40 series tires.

For better ride, handling and brake cooling the Q7 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the E-Class Wagon. The Q7 Prestige’s optional 22-inch wheels are larger than the 19-inch wheels optional on the E-Class Wagon.

Suspension and Handling

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For a smoother ride and more stable handling, the Q7’s wheelbase is 2.2 inches longer than on the E-Class Wagon (117.9 inches vs. 115.7 inches).

For better handling and stability, the track (width between the wheels) on the Q7 is 3.4 inches wider in the front and 3.2 inches wider in the rear than on the E-Class Wagon.

The Q7 Prestige handles at .86 G’s, while the E 450 4MATIC Wagon pulls only .85 G’s of cornering force in a Car and Driver skidpad test.

Passenger Space

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The Q7 has 2.4 inches more front headroom, 1.7 inches more front shoulder room, 2.7 inches more rear legroom and 1.4 inches more rear shoulder room than the E-Class Wagon.

Third row passengers in the Q7 sit facing forward, making them more comfortable and giving them a better view. The third row passengers in the E-Class Wagon face rearward.

For enhanced passenger comfort on long trips the Q7’s middle row seats recline. The E-Class Wagon’s middle row seats don’t recline.

Cargo Capacity

© 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 2020/03/29

The Q7’s cargo area provides more volume than the E-Class Wagon.

Q7

E-Class Wagon

Behind Third Seat

14.8 cubic feet

0 cubic feet

Third Seat Folded

37.5 cubic feet

24.5 cubic feet

Second Seat Folded

71.6 cubic feet

64 cubic feet

The Q7’s cargo area is larger than the E-Class Wagon’s in almost every dimension:

Q7

E-Class Wagon

Length to seat (3rd/2nd/1st)

19.5”/44.7”/80.7”

n.a./46.3”/78.9”

Max Width

52.5”

43.3”

Min Width

42.6”

32.2”

Height

30”

32.2”

Ergonomics

© 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 2020/03/29

The Q7’s power parking brake sets with one touch and releases with one touch or automatically. The E-Class Wagon’s parking brake has to released manually.

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 Prestige has standard headlight washers to keep headlight output high. The E-Class Wagon doesn’t offer headlight washers.

A manual rear sunshade and rear side window sunshades are optional in the Q7 (except Premium) to help block heat and glare for the rear passengers. The E-Class Wagon doesn’t offer a rear sunshade.

The Q7 has standard heated front seats. Heated front seats cost extra on the E-Class Wagon. The Q7 also offers optional heated second row seats to keep those passengers extremely comfortable in the winter. Heated second row seats aren’t available in the E-Class Wagon.

Economic Advantages

© 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 2020/03/29

The Q7 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the Q7 will retain 44.87% to 44.98% of its original price after five years, while the E-Class Wagon only retains 43.65%.

According to The Car Book by Jack Gillis, the Q7 is less expensive to operate than the E-Class Wagon because typical repairs cost much less on the Q7 than the E-Class Wagon, including $390 less for a water pump, $144 less for a muffler, $23 less for a fuel pump and $476 less for a power steering pump.

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 2020/03/29

Consumer Reports® recommends both the Audi Q7 and the Mercedes E-Class Wagon, based on reliability, safety and performance.

The Q7 was chosen as one of Car and Driver’s “Top Five/10Best Trucks” for 3 of the last 4 years. The E 450/E 53 has never been a Car and Driver “Top Five/10Best Truck” pick.

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

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