2020 Audi A5 Sportback vs. 2020 Mercedes C-Class Sedan

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 2020/04/02

The A5 Sportback 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 C-Class 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.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the A5 Sportback. But it costs extra on the C-Class Sedan.

When descending a steep, off-road slope, the A5 Sportback’s standard Hill Descent Control allows you to creep down safely. The C-Class Sedan doesn’t offer Hill Descent Control.

Both the A5 Sportback and the C-Class Sedan have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger 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, around view monitors and rear cross-path warning.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Audi A5 Sportback is safer than the Mercedes C-Class Sedan:

A5 Sportback

C-Class Sedan

Passenger

STARS

4 Stars

4 Stars

HIC

236

246

Neck Injury Risk

25%

60%

Neck Stress

119 lbs.

147 lbs.

Neck Compression

47 lbs.

219 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the Audi A5 Sportback is safer than the Mercedes C-Class Sedan:

A5 Sportback

C-Class Sedan

Front Seat

STARS

5 Stars

5 Stars

Hip Force

308 lbs.

452 lbs.

Rear Seat

STARS

5 Stars

4 Stars

HIC

277

459

Spine Acceleration

56 G’s

67 G’s

Hip Force

777 lbs.

949 lbs.

Into Pole

STARS

5 Stars

5 Stars

Max Damage Depth

12 inches

12 inches

Hip Force

666 lbs.

769 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

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 2020/04/02

The A5 Sportback’s corrosion warranty is 7 years longer than the C-Class Sedan’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 2020/04/02

The Audi A5 Sportback’s engine uses a cast iron block for durability, while the C-Class Sedan’s engine uses an aluminum block. Aluminum engine blocks are much more prone to warp and crack at high temperatures than cast iron.

The battery on the A5 Sportback is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the A5 Sportback’s battery 20 to 30 degrees cooler, its life is increased by years. The C-Class Sedan’s battery is in the hot engine compartment.

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 2020/04/02

Regenerative brakes improve the A5 Sportback’s fuel efficiency by converting inertia back into energy instead of wasting it. The C-Class Sedan doesn’t offer a regenerative braking system.

To lower fuel costs and make buying fuel easier, the Audi A5 Sportback uses regular unleaded gasoline (premium recommended for maximum performance). The C-Class Sedan requires premium, which can cost 20 to 55 cents more per gallon.

Transmission

© 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 2020/04/02

The A5 Sportback 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 C-Class Sedan doesn’t offer an SMG or a conventional manual transmission.

The A5 Sportback’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The C-Class Sedan doesn’t offer launch control.

Brakes and Stopping

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For better stopping power the A5 Sportback’s brake rotors are larger than those on the C-Class Sedan:

A5 Sportback

C-Class Sedan

Front Rotors

13.3 inches

13 inches

Rear Rotors

13 inches

11.8 inches

Tires and Wheels

© 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 2020/04/02

For better traction, the A5 Sportback has larger standard tires than the C-Class Sedan (245/40R18 vs. 225/50R17). The A5 Sportback’s optional tires are larger than the largest tires available on the C-Class Sedan (255/35R19 vs. 225/40R19).

The A5 Sportback’s standard tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the C-Class Sedan’s 50 series tires. The A5 Sportback’s optional tires have a lower 35 series profile than the C-Class Sedan’s optional 40 series front tires.

For better ride, handling and brake cooling the A5 Sportback has standard 18-inch wheels. Smaller 17-inch wheels are standard on the C-Class Sedan.

Suspension and Handling

© 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 2020/04/02

The A5 Sportback offers an available driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads. The C-Class Sedan’s suspension doesn’t offer adjustable shock absorbers.

Passenger Space

© 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 2020/04/02

The A5 Sportback has .6 inches more front headroom and .4 inches more front shoulder room than the C-Class Sedan.

Ergonomics

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Heated windshield washer nozzles are standard on the A5 Sportback to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The C-Class Sedan doesn’t offer heated windshield washer nozzles.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The A5 Sportback Prestige has standard headlight washers to keep headlight output high. The C-Class Sedan doesn’t offer headlight washers.

The A5 Sportback has standard heated front seats. Heated front seats cost extra on the C-Class Sedan. The A5 Sportback Premium Plus/Prestige also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the C-Class Sedan.

Economic Advantages

© 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 2020/04/02

The A5 Sportback will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the A5 Sportback will retain 38.21% to 38.31% of its original price after five years, while the C-Class Sedan only retains 36.56% to 37.71%.

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

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