2020 Audi A7 vs. 2020 Mercedes E-Class Sedan

Detailed Review, Specifications & Comparison

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Safety

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Both the A7 and E-Class Sedan have child safety locks to prevent children from opening the rear doors. The A7 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 Sedan’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 A7 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 Sedan 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 A7. But it costs extra on the E-Class Sedan.

A passive infrared night vision system optional on the A7 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 Sedan doesn’t offer a night vision system.

Both the A7 and the E-Class Sedan have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, 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 blind spot warning systems, around view monitors and rear cross-path warning.

Warranty

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The A7’s corrosion warranty is 7 years longer than the E-Class Sedan’s (12 vs. 5 years).

Reliability

© 1999 - 2019 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 2019/12/14

J.D. Power and Associates rated the A7 third among midsize premium cars in their 2019 Initial Quality Study. The E-Class Sedan isn’t in the top three.

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 2018 Auto Issue reports that Audi vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Audi 10 places higher in reliability than Mercedes.

Engine

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The A7’s 3.0 turbo V6 hybrid produces 80 more horsepower (335 vs. 255) and 96 lbs.-ft. more torque (369 vs. 273) than the E 350 Sedan’s standard 2.0 turbo 4 cyl.

Fuel Economy and Range

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The A7 has 1.9 gallons more fuel capacity than the E-Class Sedan 300’s standard fuel tank (19.3 vs. 17.4 gallons), for longer range between fill-ups.

The A7 has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The E-Class Sedan doesn’t offer a cap-less fueling system.

Transmission

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The A7 offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The E-Class Sedan doesn’t offer an SMG or a conventional manual transmission.

The A7’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 E-Class Sedan doesn’t offer launch control.

Brakes and Stopping

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The A7 stops shorter than the E-Class Sedan:

A7

E-Class Sedan

70 to 0 MPH

157 feet

161 feet

Car and Driver

Tires and Wheels

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For better traction, the A7’s optional tires are larger than the largest tires available on the E-Class Sedan (255/40R20 vs. 245/40R19).

The A7 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 Sedan’s optional 40 series front tires.

For better ride, handling and brake cooling the A7 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the E-Class Sedan. The A7 Prestige’s optional 21-inch wheels are larger than the 19-inch wheels optional on the E-Class Sedan.

The A7 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 E-Class Sedan; 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. Some models of the E-Class Sedan don’t even offer run-flats.

Suspension and Handling

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For better handling and stability, the track (width between the wheels) on the A7 is 1.7 inches wider in the front and 1.5 inches wider in the rear than the average track on the E-Class Sedan.

The A7 Prestige handles at .93 G’s, while the E 350 Sedan 4MATIC pulls only .90 G’s of cornering force in a Car and Driver skidpad test.

For better maneuverability, the A7’s turning circle is 1.7 feet tighter than the E-Class Sedan’s (36.4 feet vs. 38.1 feet). The A7’s turning circle is 2.6 feet tighter than the E 450 4MATIC Sedan’s (36.4 feet vs. 39 feet).

Passenger Space

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For enhanced passenger comfort on long trips the A7’s rear seats recline. The E-Class Sedan’s rear seats don’t recline.

Ergonomics

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In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The A7 Premium Plus/Prestige has standard headlight washers to keep headlight output high. The E-Class Sedan doesn’t offer headlight washers.

The A7 has standard heated front seats. Heated front seats cost extra on the E-Class Sedan. The A7 also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the E-Class Sedan.

Economic Advantages

© 1999 - 2019 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 2019/12/14

The A7 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the A7 will retain 36.74% to 37.64% of its original price after five years, while the E-Class Sedan only retains 35.76% to 35.92%.

Recommendations

© 1999 - 2019 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 2019/12/14

J.D. Power and Associates rated the A7 first among midsize premium cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The E-Class Sedan isn’t in the top three.

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

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