Porsche 718 Cayman GT4 vs. Porsche 911 Turbo S
iSeeCars' unbiased and data-driven comparison of the Porsche 718 Cayman GT4 and Porsche 911 Turbo S 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 Porsche 718 Cayman GT4 and the Porsche 911 Turbo S.
In comparing the Porsche 718 Cayman GT4's and the Porsche 911 Turbo S's specifications and ratings, the Porsche 718 Cayman GT4 has the advantage in the area of fuel efficiency. The Porsche 911 Turbo S has the advantage in the areas of resale value and base engine power. Based on this comparison of the Porsche 718 Cayman GT4's and the Porsche 911 Turbo S's specifications and ratings, the Porsche 911 Turbo S is a better car than the Porsche 718 Cayman GT4.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Porsche 718 Cayman GT4 loses 20.3 percent of its value and the Porsche 911 Turbo S loses 17 percent of its value. This means the Porsche 911 Turbo S retains 3.3 percentage points more of its value and has the advantage of higher resale value versus the Porsche 718 Cayman GT4.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Porsche 718 Cayman GT4’s base engine makes 414 horsepower, and the Porsche 911 Turbo S base engine makes 640 horsepower. The GT4 is rated to deliver an average of 19 miles per gallon, with a highway range of 389 miles. The Turbo S is rated to deliver an average of 17 miles per gallon, with a highway range of 352 miles. This gives the Porsche 718 Cayman GT4 the fuel efficiency and maximum range advantage over the Porsche 911 Turbo S. Both models use premium unleaded.
New Car Pricing
Asking Price:
-
Starting MSRP:
106500
Category Avg Starting MSRP:
(Luxury Sports Cars)
97487
Category Starting MSRP Range:
(Luxury Sports Cars)
44640 - 261200
New Car Pricing
Asking Price:
-
Starting MSRP:
216100
Category Avg Starting MSRP:
(Luxury Sports Cars)
97487
Category Starting MSRP Range:
(Luxury Sports Cars)
44640 - 261200
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Sports Cars)
116674
Category Avg Price Range:
(Luxury Sports Cars)
47508 - 263666
# Used Cars for Sale Nationally:
4
Avg Mileage of Used Cars for Sale:
7462
# Good or Great Deals:
1
Used Car Pricing
Avg Used Car Price:
262510
Price Range:
239577 - 284932
Category Avg Price:
(Luxury Sports Cars)
116674
Category Avg Price Range:
(Luxury Sports Cars)
47508 - 263666
# Used Cars for Sale Nationally:
41
Avg Mileage of Used Cars for Sale:
10495
# Good or Great Deals:
10
Porsche 718 Cayman Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
9.8 / 10
Safety:
Not available
Porsche 911 Scores & Rankings
Overall Score:
9.0 / 10
Reliability:
8.1 / 10
Retained Value:
9.999999 / 10
Safety:
Not available
iSeeCars Reliability Insights for Porsche 718 Cayman GT4
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Sports Cars)
14.3
Category Remaining Life Expectancy Range:
(Luxury Sports Cars)
7.9 - 27.7
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for Porsche 911 Turbo S
Remaining Life Expectancy (years):
16.5
Typical Category Remaining Life Expectancy:
(Luxury Sports Cars)
14.3
Category Remaining Life Expectancy Range:
(Luxury Sports Cars)
7.9 - 27.7
Chance of Reaching 200k Miles for a New Car:
0.0
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
4.372977696520883
Typical Category Recalls:
(Luxury Sports Cars)
2.9
Category Range for Recalls:
(Luxury Sports Cars)
0.6 - 64.2
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
64.20547275143284
Typical Category Recalls:
(Luxury Sports Cars)
2.9
Category Range for Recalls:
(Luxury Sports Cars)
0.6 - 64.2
Porsche 718 Cayman Rankings
Ranking
2 out of / 39Ranking
5 out of / 39Ranking
7 out of / 24Ranking
21 out of / 39Porsche 911 Rankings
Ranking
1 out of / 39Ranking
1 out of / 39Ranking
1 out of / 8Ranking
3 out of / 39Ranking
9 out of / 39Ranking
16 out of / 24Ranking
20 out of / 39Available Body Styles
Coupe
Available Body Styles
Convertible, Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Other Porsche 718 Cayman Trim Levels
Base, GT4 RS, GTS 4.0, S, T
Other Porsche 911 Trim Levels
Carrera, Carrera 4, Carrera 4 GTS, Carrera 4S, Carrera GTS, Carrera S, Carrera T, Dakar, GT3, GT3 RS, GT3 Touring, Sport Classic, Turbo
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
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
2026 NHTSA Overall Rating:
Not yet available
2026 NHTSA Front Crash Overall Rating:
Not yet available
2026 NHTSA Side Crash Overall Rating:
Not yet available
2026 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2026 NHTSA Overall Rating:
Not yet available
2026 NHTSA Front Crash Overall Rating:
Not yet available
2026 NHTSA Side Crash Overall Rating:
Not yet available
2026 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
414 hp @ 7600 rpm
Torque:
309 foot-lbs @ 5000 rpm
Power-to-Weight Ratio (higher is better):
0.129 hp per pound
Base Drivetrain Specs
Horsepower:
640 hp @ 6750 rpm
Torque:
590 foot-lbs @ 2500 rpm
Power-to-Weight Ratio (higher is better):
0.176 hp per pound
Engine Specifications
Engine Size:
4 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
6
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
17 / 23 / 19
Range (city/hwy):
287 / 389 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
3.8 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
15 / 20 / 17
Range (city/hwy):
264 / 352 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Apple CarPlay:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Heated Seats
Available
Navigation System:
Available
Wireless Smartphone Charging:
Available
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Apple CarPlay:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Heated Seats
Standard
Navigation System:
Standard
Wireless Smartphone Charging:
N/A
Adaptive Cruise Control:
Available
Air Suspension:
N/A
Android Auto:
Standard
Automatic Parking:
N/A
Bench Seats:
Standard
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Heated Steering Wheel:
Available
Internet Radio:
N/A
Keyless Ignition:
Standard
Massage Seats:
N/A
Paddle Shifters:
Standard
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roadside assistance:
Standard
Roof Rack:
N/A
Sunroof/Moonroof:
Available
Trailer Hitch:
N/A
Wifi:
Standard
Safety Features
Backup camera:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
Standard
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
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:
14.7 cubic feet
Overall Interior Volume:
Not yet available
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:
4.5 cubic feet
Overall Interior Volume:
70.0 cubic feet
Exterior Dimensions
Curb Weight:
3208 lbs
Width:
78.5 inches
Height:
50 inches
Length:
175.4 inches
Wheelbase:
97.8 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
3636 lbs
Width:
79.7 inches
Height:
51.3 inches
Length:
178.6 inches
Wheelbase:
96.5 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
20.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
245/35ZR20
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.0 inches
Wheel Type:
painted aluminum alloy
Tire Size:
255/35ZR20
