2020 Porsche 718 Cayman vs. 2020 Audi R8

Detailed Review, Specifications & Comparison

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Safety

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The 718 Cayman Auto offers optional Porsche Active Safety, which use forward mounted sensors to warn the driver of a possible collision ahead. If the driver doesn’t react and the system determines a collision is imminent, it automatically applies the brakes at full-force in order to reduce the force of the crash or avoid it altogether. The R8 doesn't offer collision warning or crash mitigation brakes.

The 718 Cayman’s optional blind spot warning system uses digital cameras monitored by computer to alert the driver to moving objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The R8 doesn’t offer a system to reveal objects in the driver’s blind spots.

Both the 718 Cayman and the R8 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.

Reliability

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J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than Audi vehicles. J.D. Power ranks Porsche 15th in initial quality. With 10 more problems per 100 vehicles, Audi is ranked 22nd.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Porsche vehicles are more reliable than Audi vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 16 more problems per 100 vehicles, Audi is ranked 8th.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Porsche vehicles are more reliable than Audi vehicles. Consumer Reports ranks Porsche fourth in reliability. Audi is ranked 14th.

Engine

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The flat cylinder configuration of the boxer engine in the 718 Cayman lowers its center of gravity, enhancing handling stability. The R8 doesn’t offer a boxer engine configuration.

Fuel Economy and Range

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On the EPA test cycle the 718 Cayman gets better fuel mileage than the R8:

MPG

718 Cayman

Manual

2.0 turbo 4-cyl.

21 city/28 hwy

S 2.5 turbo 4-cyl.

20 city/26 hwy

Auto

2.0 turbo 4-cyl.

22 city/29 hwy

S 2.5 turbo 4-cyl.

21 city/28 hwy

R8

Auto

5.2 DOHC V10

13 city/20 hwy

Regenerative brakes improve the 718 Cayman’s fuel efficiency by converting inertia back into energy instead of wasting it. The R8 doesn’t offer a regenerative braking system.

Environmental Friendliness

© 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 2020/06/05

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Porsche 718 Cayman higher (3 out of 10) than the Audi R8 (1). This means the 718 Cayman produces up to 22.5 pounds less smog-producing pollutants than the R8 every 15,000 miles.

Transmission

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The 718 Cayman PDK’s optional 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 R8 doesn’t offer launch control.

Brakes and Stopping

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For better stopping power the 718 Cayman GT4’s brake rotors are larger than those on the R8:

Cayman GT4

GT4 opt.

R8

R8 opt.

Front Rotors

15 inches

16.1 inches

14.4 inches

15 inches

Rear Rotors

15 inches

15.4 inches

14 inches

14 inches

Suspension and Handling

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For better maneuverability, the 718 Cayman’s turning circle is .6 feet tighter than the R8’s (36.1 feet vs. 36.7 feet).

Chassis

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The Porsche 718 Cayman may be more efficient, handle and accelerate better because it weighs about 450 to 500 pounds less than the Audi R8.

Passenger Space

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The 718 Cayman has .6 inches more front headroom and 1.3 inches more front legroom than the R8.

Cargo Capacity

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The 718 Cayman has a much larger trunk than the R8 Coupe (15 vs. 4 cubic feet).

To make loading groceries and cargo easier when your hands are full, just holding your hand near the emblem on the trunk can open the 718 Cayman’s available trunk, leaving your hands completely free. The R8 doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Porsche service is better than Audi. J.D. Power ranks Porsche first in service department satisfaction. With a 36% lower rating, Audi is ranked 8th.

Ergonomics

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The 718 Cayman’s instruments include an oil pressure gauge and a temperature gauge - which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The R8 does not have an oil pressure gauge.

To improve rear visibility by keeping the rear window clear, the 718 Cayman offers an optional rear wiper. The R8 doesn’t offer a rear wiper.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The 718 Cayman offers available headlight washers to keep headlight output high. The R8 doesn’t offer headlight washers.

The 718 Cayman’s sun-visors swivel front-to-side to block glare from the side windows. The R8’s visors are fixed into the windshield header.

Optional air-conditioned seats in the 718 Cayman keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The R8 doesn’t offer air-conditioned seats.

On extremely cold winter days, the 718 Cayman’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The R8 doesn’t offer a heated steering wheel.

To keep a safe, consistent following distance, the 718 Cayman PDK offers an optional Adaptive Cruise Control, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The R8 doesn’t offer an adaptive cruise control.

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 2020/06/05

The Cayman was chosen as one of Car and Driver’s “Top Ten” for 14 of the last 15 years. The R8 has never been a Car and Driver “Top Ten” pick.

The 718 Cayman was chosen as one of Automobile Magazine’s “All Stars” for 3 of the last 7 years. The R8 has never been an “All Star.”

The Porsche 718 outsold the Audi R8 by almost seven to one during 2019.

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