2020 Audi R8 vs. 2020 Porsche 718 Cayman

Detailed Review, Specifications & Comparison

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Safety

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The R8 has all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The 718 Cayman doesn’t offer all-wheel drive.

Both the R8 and the 718 Cayman 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, daytime running lights and rearview cameras.

Warranty

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There are over 58 percent more Audi dealers than there are Porsche dealers, which makes it much easier should you ever need service under the R8’s warranty.

Reliability

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To reliably power the ignition and other systems and to recharge the battery, the R8 has a standard 210-amp alternator. The 718 Cayman’s 120-amp alternator isn’t as powerful.

To reliably start during all conditions and help handle large electrical loads, the R8 has a standard 420-amp battery. The 718 Cayman’s 340-amp battery isn’t as powerful.

Engine

© 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 2020/08/06

The R8 has more powerful engines than the 718 Cayman:

Horsepower

Torque

R8 V10 5.2 DOHC V10

562 HP

406 lbs.-ft.

R8 V10 Performance/Decennium 5.2 DOHC V10

602 HP

413 lbs.-ft.

718 Cayman 2.0 turbo 4-cylinder

300 HP

280 lbs.-ft.

718 Cayman S 2.5 turbo 4-cylinder

350 HP

309 lbs.-ft.

718 Cayman GT4 4.0 GT3 6-cylinder

414 HP

309 lbs.-ft.

Fuel Economy and Range

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The R8 V10 Performance’s standard fuel tank has 5.1 gallons more fuel capacity than the 718 Cayman’s standard fuel tank (19.3 vs. 14.2 gallons), for longer range between fill-ups. The R8’s standard fuel tank has 5 gallons more fuel capacity than the 718 Cayman’s optional fuel tank (21.9 vs. 16.9 gallons).

The R8 has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The 718 Cayman doesn’t offer a cap-less fueling system.

Transmission and Drivetrain

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The Audi R8 comes standard with an automatic transmission, for driver comfort, especially in the city. Automatic costs extra on the 718 Cayman.

All wheel drive, available in the R8, 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 Porsche 718 Cayman is not available with all wheel drive.

Brakes and Stopping

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For better stopping power the R8’s standard brake rotors are larger than those on the 718 Cayman:

R8

718 Cayman

Front Rotors

14.4 inches

13 inches

Rear Rotors

14 inches

11.8 inches

Tires and Wheels

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For better traction, the R8 has larger standard tires than the 718 Cayman (F:245/35R19 & R:295/35R19 vs. F:235/45R18 & R:265/45R18).

The R8’s standard tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the 718 Cayman’s standard 45 series tires. The R8’s optional tires have a lower 30 series profile than the 718 Cayman’s optional 35 series front tires.

For better ride, handling and brake cooling the R8 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the 718 Cayman.

Suspension and Handling

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For a smoother ride and more stable handling, the R8’s wheelbase is 6.9 inches longer than on the 718 Cayman (104.3 inches vs. 97.4 inches).

For better handling and stability, the track (width between the wheels) on the R8 is 4.8 inches wider in the front and 2.6 inches wider in the rear than the average track on the 718 Cayman.

Ergonomics

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If the windows are left open on the R8 the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the 718 Cayman can only operate the windows from inside the vehicle, with the ignition on.

The R8’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The 718 Cayman’s standard manually variable intermittent wipers have to be constantly adjusted.

The R8 has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning costs extra on the 718 Cayman.

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