2020 Mercedes E-Class Wagon vs. 2019 Audi Q7

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 2020/02/19

The E-Class Wagon’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Q7 doesn’t offer a driver alert monitor.

Both the E-Class Wagon and the Q7 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 lane departure warning systems, around view monitors and rear cross-path warning.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Mercedes E-Class Wagon is safer than the Audi Q7:

E-Class Wagon

Q7

OVERALL STARS

5 Stars

4 Stars

Driver

STARS

5 Stars

4 Stars

Passenger

STARS

5 Stars

4 Stars

Chest Compression

.7 inches

.7 inches

Neck Injury Risk

35%

44%

Neck Stress

105 lbs.

118 lbs.

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

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 Mercedes E-Class Wagon is safer than the Audi Q7:

E-Class Wagon

Q7

Front Seat

STARS

5 Stars

5 Stars

HIC

132

187

Hip Force

223 lbs.

350 lbs.

Rear Seat

STARS

5 Stars

5 Stars

HIC

215

337

Spine Acceleration

46 G’s

62 G’s

Hip Force

594 lbs.

888 lbs.

Into Pole

STARS

5 Stars

5 Stars

Max Damage Depth

11 inches

13 inches

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

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 2020/02/19

There are over 26 percent more Mercedes dealers than there are Audi dealers, which makes it easier should you ever need service under the E-Class Wagon’s warranty.

Reliability

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To reliably power the ignition and other systems and to recharge the battery, the E-Class Wagon has a 180-amp alternator. The Q7’s standard 120-amp alternator isn’t as powerful.

To reliably start during all conditions and help handle large electrical loads, the E-Class Wagon has a standard 850-amp battery. The Q7’s 380-amp battery isn’t as powerful.

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Mercedes vehicles are better in initial quality than Audi vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 12 more problems per 100 vehicles, Audi is ranked 22nd.

Engine

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The E-Class Wagon’s 3.0 turbo V6 produces 114 more horsepower (362 vs. 248) and 96 lbs.-ft. more torque (369 vs. 273) than the Q7 45 TFSI’s standard 2.0 turbo 4-cylinder. The E-Class Wagon’s 3.0 turbo V6 produces 33 more horsepower (362 vs. 329) and 44 lbs.-ft. more torque (369 vs. 325) than the Q7 55 TFSI’s standard 3.0 supercharged V6.

Fuel Economy and Range

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On the EPA test cycle the E 450 4MATIC Wagon gets better fuel mileage than the Q7 55 TFSI V6 (19 city/26 hwy vs. 19 city/25 hwy).

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes E-Class Wagon higher (5 out of 10) than the Audi Q7 (3). This means the E-Class Wagon produces up to 16.5 pounds less smog-producing pollutants than the Q7 every 15,000 miles.

Transmission

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A nine-speed automatic is standard on the Mercedes E-Class Wagon, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Q7.

Brakes and Stopping

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

E-Class Wagon

Q7

70 to 0 MPH

156 feet

166 feet

Car and Driver

60 to 0 MPH

108 feet

121 feet

Motor Trend

Tires and Wheels

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The E-Class Wagon’s standard tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Q7 2.0T’s standard 60 series tires.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the E-Class Wagon can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. Run-flat tires aren’t available on some tire packages on the Q7.

Suspension and Handling

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The rear suspension of the E-Class Wagon uses air springs for a smoother, controlled ride than the Q7, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

The E-Class Wagon has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The E-Class Wagon’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 Q7 doesn’t offer a load leveling suspension.

The E-Class Wagon’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Q7 doesn’t offer drift compensation steering.

The E-Class Wagon’s front to rear weight distribution is more even (51.7% to 48.3%) than the Q7’s (55.2% to 44.8%). This gives the E-Class Wagon more stable handling and braking.

The E 450 4MATIC Wagon handles at .87 G’s, while the Q7 Prestige pulls only .85 G’s of cornering force in a Car and Driver skidpad test.

The E 450 4MATIC Wagon executes Motor Trend’s “Figure Eight” maneuver quicker than the Q7 Prestige (25.7 seconds @ .73 average G’s vs. 26.5 seconds @ .67 average G’s).

For better maneuverability, the E-Class Wagon’s turning circle is 1.7 feet tighter than the Q7’s (39 feet vs. 40.7 feet).

Chassis

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The Mercedes E-Class Wagon may be more efficient, handle and accelerate better because it weighs about 400 to 750 pounds less than the Audi Q7.

The E-Class Wagon is 5.4 inches shorter than the Q7, making the E-Class Wagon easier to handle, maneuver and park in tight spaces.

The E-Class Wagon is 6.2 inches narrower than the Q7, making the E-Class Wagon easier to handle and maneuver in traffic.

The E-Class Wagon is 10.8 inches shorter in height than the Q7, making the E-Class Wagon much easier to wash and garage and drive (lower center of gravity).

Cargo Capacity

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The E-Class Wagon has a standard third row seat which folds flat into the floor. This completely clears a very large cargo area quickly. The Q7 doesn’t offer seats that fold into the floor.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Audi. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 13% lower rating, Audi is ranked 8th.

Ergonomics

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Heated windshield washer fluid is standard on the E-Class Wagon to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The Q7 doesn’t offer heated windshield washer fluid.

The E-Class Wagon has a 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The Q7 doesn’t offer a house-current electrical outlet.

The E-Class Wagon’s optional Active Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Q7 doesn’t offer an automated parking system.

Model Availability

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The Mercedes E-Class comes in coupe, convertible, sedan and station wagon bodystyles; the Audi Q7 isn’t available as a coupe, convertible or sedan.

Economic Advantages

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According to The Car Book by Jack Gillis, the E-Class Wagon is less expensive to operate than the Q7 because it costs $64 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the E-Class Wagon than the Q7, including $85 less for front brake pads, $191 less for a starter, $254 less for fuel injection, $417 less for front struts and $276 less for a timing belt/chain.

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 2020/02/19

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

The E 450/E 53 was chosen as one of Car and Driver’s “Top Ten” for 2 of the last 3 years. The Q7 has never been a Car and Driver “Top Ten” pick.

The Mercedes E-Class outsold the Audi Q7 by 25% during the 2019 model year.

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

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