2019 Audi A7 vs. 2019 Mercedes E-Class Wagon

Detailed Review, Specifications & Comparison

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Safety

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 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.

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 Wagon doesn’t offer a night vision system.

Both the A7 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, rearview cameras, available lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

Warranty

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

Reliability

J.D. Power and Associates’ 2018 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 13th in reliability, above the industry average. With 6 more problems per 100 vehicles, Mercedes is ranked 15th.

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.

Fuel Economy and Range

On the EPA test cycle the A7 gets better fuel mileage than the E 450 4MATIC Wagon (22 city/29 hwy vs. 19 city/26 hwy).

Regenerative brakes improve the A7’s fuel efficiency by converting inertia back into energy instead of wasting it. The E-Class Wagon doesn’t offer a regenerative braking system.

To lower fuel costs and make buying fuel easier, the Audi A7 uses regular unleaded gasoline (premium recommended for maximum performance). The E-Class Wagon requires premium, which can cost 20 to 55 cents more per gallon.

Transmission

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 Wagon doesn’t offer an SMG or a conventional manual transmission.

Tires and Wheels

For better traction, the A7’s optional tires are larger than the largest tires available on the E-Class Wagon (255/40R20 vs. 245/45R18).

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 Wagon’s optional 40 series 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 Wagon. The A7 Prestige’s optional 21-inch wheels are larger than the 19-inch wheels optional on the E-Class Wagon.

Suspension and Handling

For better handling and stability, the track (width between the wheels) on the A7 is 2.3 inches wider in the front and 1 inch wider in the rear than on the E-Class Wagon.

For better maneuverability, the A7’s turning circle is 2.6 feet tighter than the E-Class Wagon’s (36.4 feet vs. 39 feet).

Servicing Ease

J.D. Power and Associates surveys of service recipients show that Audi service is better than Mercedes. J.D. Power ranks Audi third in service department satisfaction. With a 3% lower rating, Mercedes is ranked 6th.

Ergonomics

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 offers available headlight washers to keep headlight output high. The E-Class Wagon doesn’t offer headlight washers.

A power rear sunshade is optional in the A7 to help block heat and glare for the rear passengers. The E-Class Wagon doesn’t offer a rear sunshade.

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

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

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