2019 Audi S3 Sedan vs. 2018 Mercedes AMG C 63 Sedan

Detailed Review, Specifications & Comparison

Your buying experience includes...

business_centerProfessional Staff
account_balanceSimple Financing
local_gas_stationFull Tank of Gas
local_car_washFree Car Wash

Safety

For enhanced safety, the front and rear seat shoulder belts of the Audi S3 Sedan are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Mercedes AMG C 63 Sedan has only front height-adjustable seat belts.

The S3 Sedan 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 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 S3 Sedan 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 S3 Sedan’s 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 S3 Sedan and the AMG C 63 Sedan have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, 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, blind spot warning systems, rearview cameras and available lane departure warning systems.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, with its optional front crash prevention system, and its headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the S3 Sedan the rating of “Top Pick” for 2018, a rating granted to only 85 vehicles tested by the IIHS. The AMG C 63 Sedan has not been tested, yet.

Warranty

The S3 Sedan’s corrosion warranty is 7 years longer than the AMG C 63 Sedan’s (12 vs. 5 years).

Reliability

The Audi S3 Sedan’s engine uses a cast iron block for durability, while the AMG C 63 Sedan’s engines use an aluminum block. Aluminum engine blocks are much more prone to warp and crack at high temperatures than cast iron.

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

To lower fuel costs and make buying fuel easier, the Audi S3 Sedan uses regular unleaded gasoline (premium recommended for maximum performance). The AMG C 63 Sedan requires premium, which can cost 20 to 55 cents more per gallon.

Transmission

The S3 Sedan 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 AMG C 63 Sedan doesn’t offer an SMG or a conventional manual transmission.

Brakes and Stopping

The S3 Sedan stops shorter than the AMG C 63 Sedan:

 

S3 Sedan

AMG C 63 Sedan

 

60 to 0 MPH

117 feet

118 feet

Road and Track

Tires and Wheels

The S3 Sedan 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 AMG C 63 Sedan; it requires you to depend on roadside assistance and your vehicle will have to be towed.

Suspension and Handling

For better maneuverability, the S3 Sedan’s turning circle is 1 foot tighter than the AMG C 63 Sedan’s (36.1 feet vs. 37.1 feet).

Chassis

The Audi S3 Sedan may be more efficient, handle and accelerate better because it weighs about 350 pounds less than the Mercedes AMG C 63 Sedan.

The S3 Sedan is 11.2 inches shorter than the AMG C 63 Sedan, making the S3 Sedan easier to handle, maneuver and park in tight spaces.

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 S3 Sedan 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.

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

How much is your car worth?

Get the best value for your car from an Asbury dealership.

Featured Videos