2019 Mercedes E-Class Sedan vs. 2019 Audi A7

Detailed Review, Specifications & Comparison

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Safety

The rear seatbelts optional on the E-Class Sedan inflate when a collision is detected, helping to spread crash forces over a much larger area of the body and limiting head and neck movement. This can help prevent spinal and internal injuries. The A7 doesn’t offer inflatable seatbelts.

The E-Class Sedan’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 A7 doesn’t offer a driver alert monitor.

Both the E-Class Sedan and the A7 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, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, rearview cameras, available all wheel drive, lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, its standard front crash prevention system, its “Good” rating in the new passenger-side small overlap crash test, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the E-Class Sedan its highest rating: “Top Pick Plus” for 2018, a rating granted to only 28 vehicles tested by the IIHS. The A7 has not been tested, yet.

Warranty

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 Sedan’s warranty.

Reliability

J.D. Power and Associates’ 2018 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 14th in initial quality, above the industry average. With 13 more problems per 100 vehicles, Audi is ranked 25th, below the industry average.

Engine

The E 450 4MATIC Sedan’s standard 3.0 turbo V6 produces 27 more horsepower (362 vs. 335) than the A7’s 3.0 turbo V6 hybrid. The AMG E 53 Sedan’s standard 3.0 turbo 6 cyl. hybrid produces 94 more horsepower (429 vs. 335) and 15 lbs.-ft. more torque (384 vs. 369) than the A7’s 3.0 turbo V6 hybrid.

Fuel Economy and Range

The E-Class Sedan 450/AMG 53’s standard fuel tank has 1.8 gallons more fuel capacity than the A7 (21.1 vs. 19.3 gallons).

Transmission

A nine-speed automatic is standard on the Mercedes E-Class Sedan, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the A7.

Brakes and Stopping

For better stopping power the E-Class Sedan’s front brake rotors are larger than those on the A7:

 

E-Class

AMG E 53

A7

Front Rotors

13.5 inches

14.6 inches

13.3 inches

Rear Rotors

11.8 inches

14.2 inches

13 inches

Tires and Wheels

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the E-Class Sedan can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The A7 doesn’t offer run-flat tires.

Suspension and Handling

The E-Class Sedan 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 Sedan’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 A7 doesn’t offer a load leveling suspension.

The E-Class Sedan’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 A7 doesn’t offer drift compensation steering.

Chassis

The Mercedes E-Class Sedan may be more efficient, handle and accelerate better because it weighs about 200 to 550 pounds less than the Audi A7.

Passenger Space

The E-Class Sedan has .4 inches more front headroom, .4 inches more front legroom, .6 inches more front shoulder room, 1.1 inches more rear headroom and 1.2 inches more rear shoulder room than the A7.

Cargo Capacity

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the E-Class offers cargo security. The A7’s hatchback body style defeats cargo security.

Ergonomics

The E-Class Sedan has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The A7 doesn’t offer a remote starting system.

Unlike the driver-only memory system in the A7, the E-Class Sedan has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

Heated windshield washer fluid is standard on the E-Class Sedan to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The A7 doesn’t offer heated windshield washer fluid.

To better shield the driver and front passenger’s vision, the E-Class Sedan has standard dual-element sun visors that can block glare from two directions simultaneously. The A7 doesn’t offer secondary sun visors.

The E-Class Sedan’s optional Active Parking Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The A7 doesn’t offer an automated parking system.

Model Availability

The Mercedes E-Class comes in coupe, convertible, sedan and station wagon bodystyles; the Audi A7 isn’t available as a coupe, convertible or station wagon.

The E-Class Sedan is available in both rear-wheel drive and all-wheel drive configurations. The A7 doesn’t offer a two-wheel drive configuration.

Recommendations

Consumer Reports® recommends the Mercedes E-Class Sedan, based on reliability, safety and performance.

The E-Class was chosen as one of Car and Driver’s “Top Ten” in 2018. The A7 has never been a Car and Driver “Top Ten” pick.

The Mercedes E-Class outsold the Audi A7/S7/RS 7 by almost 14 to one during the 2018 model year.

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

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