2020 Porsche 718 Cayman vs. 2020 BMW M4

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

© 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 2020/06/03

Both the 718 Cayman and the M4 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, rearview cameras, available crash mitigating brakes and blind spot warning systems.

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 2020/06/03

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 BMW vehicles. J.D. Power ranks Porsche 15th in initial quality. With 6 more problems per 100 vehicles, BMW is ranked 20th.

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 BMW vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 14 more problems per 100 vehicles, BMW is ranked 7th.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Porsche vehicles are more reliable than BMW vehicles. Consumer Reports ranks Porsche fourth in reliability. BMW is ranked 17th.

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 2020/06/03

As tested in Motor Trend the 718 Cayman S is faster than the BMW M4 (standard engine) (automatics tested):

Cayman

M4

Zero to 60 MPH

3.6 sec

4 sec

Quarter Mile

12 sec

12.2 sec

The flat cylinder configuration of the boxer engine in the 718 Cayman lowers its center of gravity, enhancing handling stability. The M4 doesn’t offer a boxer engine configuration.

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 2020/06/03

On the EPA test cycle the 718 Cayman gets better fuel mileage than the M4 Coupe:

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

M4 Coupe

Manual

3.0 turbo 6-cyl.

18 city/25 hwy

Auto

3.0 turbo 6-cyl.

17 city/23 hwy

Regenerative brakes improve the 718 Cayman’s fuel efficiency by converting inertia back into energy instead of wasting it. The M4 doesn’t offer a regenerative braking system.

The 718 Cayman’s optional fuel tank has 1.1 gallons more fuel capacity than the M4 (16.9 vs. 15.8 gallons).

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 2020/06/03

To facilitate fast shifting and allow the driver to focus on the road, the 718 Cayman has a standard up-shift light to indicate when to shift, based on a value pre-entered by the driver. The M4 doesn’t offer an up-shift light.

Brakes and Stopping

© 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 2020/06/03

For better stopping power the 718 Cayman GT4’s brake rotors are larger than those on the M4:

Cayman GT4

GT4 opt.

M4

M4 opt.

Front Rotors

15 inches

16.1 inches

15 inches

15.7 inches

Rear Rotors

15 inches

15.4 inches

14.6 inches

15 inches

The 718 Cayman stops much shorter than the M4:

Cayman

M4

70 to 0 MPH

141 feet

151 feet

Car and Driver

60 to 0 MPH

97 feet

108 feet

Motor Trend

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 2020/06/03

The 718 Cayman handles at 1.06 G’s, while the M4 Coupe pulls only .98 G’s of cornering force in a Car and Driver skidpad test.

The 718 Cayman S executes Motor Trend’s “Figure Eight” maneuver quicker than the M4 Coupe (23.7 seconds @ .89 average G’s vs. 24.2 seconds @ .84 average G’s).

For better maneuverability, the 718 Cayman’s turning circle is 3.9 feet tighter than the M4’s (36.1 feet vs. 40 feet). The 718 Cayman GT4’s turning circle is 2.5 feet tighter than the M4’s (37.5 feet vs. 40 feet).

Chassis

© 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 2020/06/03

The Porsche 718 Cayman may be more efficient, handle and accelerate better because it weighs about 600 to 950 pounds less than the BMW M4.

The 718 Cayman is 1 foot shorter than the M4, making the 718 Cayman easier to handle, maneuver and park in tight spaces.

To almost totally eliminate engine vibration in the passenger area, the 718 Cayman has liquid-filled engine mounts. The liquid helps further dampen engine harshness. The M4 uses conventional solid rubber engine mounts.

As tested by Car and Driver while under full throttle, the interior of the 718 Cayman is quieter than the M4 Coupe (84 vs. 87 dB).

Cargo Capacity

© 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 2020/06/03

The 718 Cayman has a much larger trunk than the M4 Coupe (15 vs. 11 cubic feet).

Servicing Ease

© 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 2020/06/03

J.D. Power and Associates surveys of service recipients show that Porsche service is better than BMW. J.D. Power ranks Porsche first in service department satisfaction. With a 46% lower rating, BMW is ranked 11th.

Ergonomics

© 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 2020/06/03

The 718 Cayman’s optional easy entry system raises the steering wheel and glides the driver’s seat back when the door is unlocked or the ignition is switched off, making it easier for the driver to get in and out. The M4 doesn’t offer an easy entry system.

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 M4 has neither an oil pressure gauge nor a temperature gauge.

The 718 Cayman’s power parking brake sets with one touch and releases with one touch. The M4 has a lever-type parking brake that has to be strenuously raised to engage properly. It has to be lifted up more and a button depressed to release it.

To improve rear visibility by keeping the rear window clear, the 718 Cayman offers an optional rear wiper. The M4 doesn’t offer a rear wiper.

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 M4 doesn’t offer air-conditioned seats.

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 M4 doesn’t offer an adaptive cruise control.

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 2020/06/03

Insurance will cost less for the 718 Cayman owner. The Complete Car Cost Guide estimates that insurance for the 718 Cayman will cost $5415 to $11410 less than the M4 over a five-year period.

The 718 Cayman will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the 718 Cayman will retain 59.69% to 60.13% of its original price after five years, while the M4 only retains 47.57% to 52.61%.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Porsche 718 Cayman will be $21191 to $36230 less than for the BMW M4.

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 2020/06/03

The Cayman was chosen as one of Car and Driver’s “Top Ten” for 14 of the last 15 years. The 4 Series hasn’t been picked since 2014.

The 718 Cayman was chosen as one of Automobile Magazine’s “All Stars” for 3 of the last 7 years. The M3/M4 hasn’t been picked since 2014.

© 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