2019 Audi S4 vs. 2018 Mercedes AMG C 63 Sedan

Detailed Review, Specifications & Comparison

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Safety

The S4 has standard Secondary Collision Brake Assist, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The AMG C 63 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.

The S4 has all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The AMG C 63 Sedan doesn’t offer all-wheel drive.

To help make backing safer, the S4’s optional cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The AMG C 63 Sedan doesn’t offer a cross-path warning system.

Both the S4 and the AMG C 63 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, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available lane departure warning systems, blind spot warning systems and around view monitors.

Warranty

The S4’s corrosion warranty is 7 years longer than the AMG C 63 Sedan’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.

Transmission

An eight-speed automatic is standard on the Audi S4, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the AMG C 63 Sedan.

Chassis

The design of the Audi S4 amounts to more than styling. The S4 has an aerodynamic coefficient of drag of .29 Cd. That is lower than the AMG C 63 Sedan (.32) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the S4 get better fuel mileage.

Passenger Space

The S4 has 1.8 inches more front headroom, .6 inches more front shoulder room, .3 inches more rear headroom and .5 inches more rear legroom than the AMG C 63 Sedan.

Cargo Capacity

The S4 has a larger trunk than the AMG C 63 Sedan (13 vs. 12.6 cubic 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

Heated windshield washer nozzles are standard on the S4 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The AMG C 63 Sedan doesn’t offer heated windshield washer nozzles.

Both the S4 and the AMG C 63 Sedan have standard heated front seats. The S4 also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the AMG C 63 Sedan.

On extremely cold winter days, the S4’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The AMG C 63 Sedan doesn’t offer a heated steering wheel.

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

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