BMW M4 vs. Porsche 718 Cayman
iSeeCars' unbiased and data-driven comparison of the BMW M4 and Porsche 718 Cayman contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the BMW M4 and the Porsche 718 Cayman.
In comparing the BMW M4's and the Porsche 718 Cayman's specifications and ratings, the BMW M4 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, reliability and base engine power. The Porsche 718 Cayman has the advantage in the areas of new vehicle base pricing, fuel efficiency, resale value and overall quality score. Based on this comparison of the BMW M4's and the Porsche 718 Cayman's specifications and ratings, the Porsche 718 Cayman is a better car than the BMW M4.
Pricing: A used 2024 BMW M4 ranges from $79,496 to $98,979 while a used 2024 Porsche 718 Cayman is priced between $79,981 to $279,028. For a new model, the BMW M4's price is between $85,088 and $105,614, with the Porsche 718 Cayman priced between $80,060 and $210,355.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the BMW M4 loses 40.9 percent of its value and the Porsche 718 Cayman loses 19.5 percent of its value. This means the Porsche 718 Cayman retains 21.4 percentage points more of its value and has the advantage of higher resale value versus the BMW M4.
Quality Rating: The iSeeCars Overall Quality rating for the BMW M4 is 7.6 out of 10 while the Porsche 718 Cayman's quality rating is 7.9 out of 10. This results in the BMW M4 being ranked 22 out of 41 Best Luxury Sports Cars and the Porsche 718 Cayman being ranked 13 out of 41.
Reliability Rating: iSeeCars’ Reliability Rating for the BMW M4 is 7.2 out of 10. For the Porsche 718 Cayman the reliability rating is 6.4 out of 10. This gives the BMW M4 a slight advantage in reliability compared to the Porsche 718 Cayman.
Engine Power and Fuel Efficiency Comparison: For engine performance, the BMW M4’s base engine makes 473 horsepower, and the Porsche 718 Cayman base engine makes 300 horsepower. The M4 is rated to deliver an average of 19 miles per gallon, with a highway range of 359 miles. The 718 Cayman is rated to deliver an average of 22 miles per gallon, with a highway range of 358 miles.This gives the Porsche 718 Cayman the advantage in fuel efficiency and the BMW M4 the advantage in maximum range. Both models use premium unleaded.
New Car Pricing
Asking Price:
$85,088 - $105,614
Starting MSRP:
$78,100
Category Avg Starting MSRP:
(Luxury Sports Cars)
$102,671
Category Starting MSRP Range:
(Luxury Sports Cars)
$46,440 - $273,000
New Car Pricing
Asking Price:
$80,060 - $210,355
Starting MSRP:
$68,300
Category Avg Starting MSRP:
(Luxury Sports Cars)
$102,671
Category Starting MSRP Range:
(Luxury Sports Cars)
$46,440 - $273,000
Used Car Pricing
Avg Used Car Price:
$88,315
Price Range:
$79,496 - $98,979
Category Avg Price:
(Luxury Sports Cars)
$126,819
Category Avg Price Range:
(Luxury Sports Cars)
$63,681 - $273,789
# Used Cars for Sale Nationally:
96
Avg Mileage of Used Cars for Sale:
10,769
# Good or Great Deals:
34
Used Car Pricing
Avg Used Car Price:
$159,641
Price Range:
$79,981 - $279,028
Category Avg Price:
(Luxury Sports Cars)
$126,819
Category Avg Price Range:
(Luxury Sports Cars)
$63,681 - $273,789
# Used Cars for Sale Nationally:
123
Avg Mileage of Used Cars for Sale:
2,985
# Good or Great Deals:
19
5-year Depreciation
Depreciation $:
Depreciation %:
Resale Value $:
Typical Category Depreciation %:
(Luxury Sports Cars)
30.2%
Category Depreciation Range:
(Luxury Sports Cars)
8.9% - 50.9%
5-year Depreciation
Depreciation $:
$13,444
Depreciation %:
19.7%
Resale Value $:
$54,856
Typical Category Depreciation %:
(Luxury Sports Cars)
30.2%
Category Depreciation Range:
(Luxury Sports Cars)
8.9% - 50.9%
BMW M4 Scores & Rankings
Overall Score:
7.6 / 10
Reliability:
7.2 / 10
Retained Value:
8.0 / 10
Safety:
Not available
Porsche 718 Cayman Scores & Rankings
Overall Score:
7.9 / 10
Reliability:
6.4 / 10
Retained Value:
9.3 / 10
Safety:
Not available
iSeeCars Reliability Insights for BMW M4
Avg Life Expectancy (years):
12.9
Typical Category Life Expectancy:
(Luxury Sports Cars)
12.9
Category Life Expectancy Range:
(Luxury Sports Cars)
10.1 - 17.2
Chance of Reaching 200k Miles for a New Car:
0.2%
iSeeCars Reliability Insights for Porsche 718 Cayman
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Sports Cars)
12.9
Category Life Expectancy Range:
(Luxury Sports Cars)
10.1 - 17.2
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
5.7
Typical Category Recalls:
(Luxury Sports Cars)
2.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 13.4
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
8.5
Typical Category Recalls:
(Luxury Sports Cars)
2.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 13.4
BMW M4 Rankings
Ranking
1 out of / 41Ranking
2 out of / 41Ranking
4 out of / 7Ranking
4 out of / 6Ranking
5 out of / 41Ranking
14 out of / 32Ranking
17 out of / 41Ranking
17 out of / 41Ranking
21 out of / 41Ranking
22 out of / 41Porsche 718 Cayman Rankings
Ranking
2 out of / 41Ranking
2 out of / 7Ranking
3 out of / 7Ranking
11 out of / 32Ranking
13 out of / 41Ranking
21 out of / 41Ranking
27 out of / 41Available Body Styles
Convertible, Coupe
Available Body Styles
Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
BMW M4 Trim Levels
Base, Competition, Competition xDrive
Porsche 718 Cayman Trim Levels
Base, GT4 RS, GTS 4.0, S, Style Edition
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
473 hp @ 6250 rpm
Torque:
406 foot-lbs @ 2650 rpm
Power-to-Weight Ratio (higher is better):
0.123 hp per pound
Base Drivetrain Specs
Horsepower:
300 hp @ 6500 rpm
Torque:
280 foot-lbs @ 1950 rpm
Power-to-Weight Ratio (higher is better):
0.099 hp per pound
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
16 / 23 / 19
Range (city/hwy):
250 / 359 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
4
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
20 / 25 / 22
Range (city/hwy):
286 / 358 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Paddle Shifters:
Available
Power Lift Gate:
Available
Sunroof/Moonroof:
Available
Air Suspension:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
N/A
Apple CarPlay:
Standard
Bench Seats:
N/A
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
N/A
Keyless Entry:
Standard
Keyless Ignition:
Available
Leather Upholstery:
Standard
Navigation System:
Available
Parking Sensors:
Standard
Power outlet:
Standard
Roadside assistance:
N/A
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
N/A
Wireless Smartphone Charging:
Available
Adaptive Cruise Control:
Available
Automatic Parking:
N/A
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Paddle Shifters:
Available
Power Lift Gate:
N/A
Sunroof/Moonroof:
N/A
Air Suspension:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
Rear Seat Reminder:
Standard
360-Degree Camera:
N/A
Lane Keeping Assist:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
360-Degree Camera:
N/A
Lane Keeping Assist:
N/A
Interior Dimensions
Front Head Room:
40.3 inches
Front Leg Room:
41.7 inches
Front Shoulder Room:
55.1 inches
Rear Head Room:
35.8 inches
Rear Leg Room:
34.7 inches
Rear Shoulder Room:
51 inches
Cargo Space:
15.5 cubic feet
Overall Interior Volume:
87.0 cubic feet
Interior Dimensions
Front Head Room:
Not yet available
Front Leg Room:
Not yet available
Front Shoulder Room:
Not yet available
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
14.9 cubic feet
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
3830 lbs
Width:
81.9 inches
Height:
54.8 inches
Length:
189.1 inches
Wheelbase:
112.5 inches
Ground Clearance:
4.7 inches
Exterior Dimensions
Curb Weight:
3040 lbs
Width:
78.5 inches
Height:
51 inches
Length:
172.4 inches
Wheelbase:
97.4 inches
Ground Clearance:
4.3 inches
Standard Wheel/Tire Information
Wheel Size:
18.0 x 9.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
275/40R18
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
painted aluminum alloy
Tire Size:
235/45ZR18
Exterior Colors
Black
Black Sapphire Metallic
Blue
Frozen Portimao Blue Metallic / Portimao Blue Metallic / Tanzanite Blue II Metallic
Gray
Brooklyn Grey Metallic / Dravit Grey Metallic / Skyscraper Grey Metallic
Green
Isle of Man Green Metallic
Red
Aventurin Red Metallic / Toronto Red Metallic
White
Alpine White / Frozen Brilliant White Metallic
Yellow
Sao Paulo Yellow
Silver
Not available
Exterior Colors
Black
Black / Jet Black Metallic
Blue
Gentian Blue Metallic / Shark Blue
Gray
Agate Grey Metallic / Arctic Grey / Chalk / Ice Grey Metallic
Green
Aventurine Green Metallic
Red
Carmine Red / Guards Red / Ruby Star Neo
White
White
Yellow
Racing Yellow
Silver
GT Silver Metallic
Interior Colors
Black
Black
Blue
Fjord Blue/Black / Yas Marina Blue/Black w/ Yellow Accent
Brown
Tartufo
Gray
Silverstone/Black
Orange
Kyalami Orange/Black
Red
Fiona Red/Black
White
Ivory White
Interior Colors
Black
Black / Black/Chalk
Blue
Not available
Brown
Espresso / Espresso/Cognac
Gray
Agate Grey / Black/Chalk / Graphite Blue
Orange
Not available
Red
Black/Bordeaux Red / Bordeaux Red
White
Not available
