2020 Audi S5 vs. 2020 Mercedes AMG SLC

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 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 2020/03/29

The S5 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 SLC 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 S5 has all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The AMG SLC doesn’t offer all-wheel drive.

The S5 Prestige has a standard Top and Corner View Cameras to allow the driver to see objects all around the vehicle on a screen. The AMG SLC only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

To help make backing safer, the S5’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 SLC doesn’t offer a cross-path warning system.

Both the S5 and the AMG SLC have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, 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 and blind spot warning systems.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and its standard front crash prevention system, the Insurance Institute for Highway Safety grants the S5 the rating of “Top Pick” for 2017, a rating granted to only 185 vehicles tested by the IIHS. The AMG SLC has not been tested, yet.

Warranty

© 1999 - 2020 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 2020/03/29

The S5’s corrosion warranty is 7 years longer than the AMG SLC’s (12 vs. 5 years).

Reliability

© 1999 - 2020 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 2020/03/29

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 2019 Auto Issue reports that Audi vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Audi 7 places higher in reliability than Mercedes.

Fuel Economy and Range

© 1999 - 2020 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 2020/03/29

Regenerative brakes improve the S5’s fuel efficiency by converting inertia back into energy instead of wasting it. The AMG SLC doesn’t offer a regenerative braking system.

To lower fuel costs and make buying fuel easier, the Audi S5 uses regular unleaded gasoline (premium recommended for maximum performance). The AMG SLC requires premium, which can cost 20 to 55 cents more per gallon.

Drivetrain

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All-wheel drive, available in the S5, provides the best traction for acceleration in wet, dry, and icy conditions. In corners, all-wheel drive allows both outside wheels to provide power, balancing the car. This allows for better handling. The Mercedes AMG SLC is not available with all-wheel drive.

Tires and Wheels

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For better traction, the S5 has larger standard tires than the AMG SLC (245/40R18 vs. 235/40R18). The S5’s optional tires are larger than the largest tires available on the AMG SLC (265/30R20 vs. 235/40R18).

The S5’s optional tires provide better handling because they have a lower 30 series profile (height to width ratio) that provides a stiffer sidewall than the AMG SLC’s 40 series front and 35 series rear tires.

For better ride, handling and brake cooling the S5 offers optional 20-inch wheels. The AMG SLC’s largest wheels are only 18-inches.

Suspension and Handling

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For a smoother ride and more stable handling, the S5’s wheelbase is 13.1 inches longer than on the AMG SLC (108.8 inches vs. 95.7 inches).

For better handling and stability, the track (width between the wheels) on the S5 is 1.4 inches wider in the front than on the AMG SLC.

Passenger Space

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The S5 has standard seating for 4 passengers; the AMG SLC can only carry 2.

The S5 has 32.2 cubic feet more passenger volume than the AMG SLC (81 vs. 48.8).

Cargo Capacity

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The S5 Cabriolet has a larger trunk with its top down than the AMG SLC with its top down (7.3 vs. 6.5 cubic feet).

To make loading groceries and cargo easier when your hands are full, the S5’s available trunk can be opened just by kicking your foot under the back bumper, leaving your hands completely free. The AMG SLC doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.

Ergonomics

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The S5 Prestige has a standard heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The AMG SLC doesn’t offer a heads-up display.

The S5’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The AMG SLC’s rear power window switches have to be held the entire time to close them fully.

Heated windshield washer nozzles are standard on the S5 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The AMG SLC doesn’t offer heated windshield washer nozzles.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the S5 has standard extendable sun visors. The AMG SLC doesn’t offer extendable visors.

Optional air-conditioned seats in the S5 Premium Plus/Prestige keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The AMG SLC doesn’t offer air-conditioned seats.

On extremely cold winter days, the S5 Premium Plus/Prestige’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The AMG SLC doesn’t offer a heated steering wheel.

The S5 has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the AMG SLC.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Audi S5 Premium Plus/Prestige has a standard wireless phone charging system (Qi) in the center console. The AMG SLC doesn’t offer wireless personal charging.

The S5 Prestige’s Park Steering Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The AMG SLC doesn’t offer an automated parking system.

Model Availability

© 1999 - 2020 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 2020/03/29

The Audi S5 comes in coupe, convertible and four door hatchback bodystyles; the Mercedes AMG SLC isn’t available as a coupe or four door.

Recommendations

© 1999 - 2020 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 2020/03/29

The Audi A5/S5/RS 5 outsold the Mercedes SLC by almost 13 to one during 2019.

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