Porsche 718 Cayman vs. Mercedes-Benz AMG GT
iSeeCars' unbiased and data-driven comparison of the Porsche 718 Cayman and Mercedes-Benz AMG GT 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 and the Mercedes-Benz AMG GT.
When we compare the Porsche 718 Cayman's and the Mercedes-Benz AMG GT's specifications and ratings, the Porsche 718 Cayman has the advantage in the areas of new vehicle base pricing, typical lower range of pricing for one- to five-year-old used cars, and resale value. The Mercedes-Benz AMG GT has the advantage in the area of base engine power. The Porsche 718 Cayman and Mercedes-Benz AMG GT have the same fuel efficiency. Based on this comparison of the Porsche 718 Cayman's and the Mercedes-Benz AMG GT's specifications and ratings, the Porsche 718 Cayman is a better car than the Mercedes-Benz AMG GT.
Pricing: A used 2025 Porsche 718 Cayman ranges from $82,380 to $240,340 while a used 2025 Mercedes-Benz AMG GT is priced between $99,265 to $197,388. For a new model, the Porsche 718 Cayman's price is between $86,872 and $221,896, with the Mercedes-Benz AMG GT priced between $113,655 and $214,355.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Porsche 718 Cayman loses 20.3 percent of its value and the Mercedes-Benz AMG GT loses 40.7 percent of its value. This means the Porsche 718 Cayman retains 20.3 percentage points more of its value and has the advantage of higher resale value versus the Mercedes-Benz AMG GT.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Porsche 718 Cayman’s base engine makes 300 horsepower, and the Mercedes-Benz AMG GT base engine makes 416 horsepower. Both the 718 Cayman and the AMG GT are rated to deliver an average of 22 miles per gallon, with highway ranges of 358 and 500 miles respectively. Both models use premium unleaded.
New Car Pricing
Asking Price:
86872 - 221896
Starting MSRP:
72800
Category Avg Starting MSRP:
(Luxury Sports Cars)
90928
Category Starting MSRP Range:
(Luxury Sports Cars)
54500 - 150000
New Car Pricing
Asking Price:
113655 - 214355
Starting MSRP:
105900
Category Avg Starting MSRP:
(Luxury Sports Cars)
90928
Category Starting MSRP Range:
(Luxury Sports Cars)
54500 - 150000
Used Car Pricing
Avg Used Car Price:
159073
Price Range:
82380 - 240340
Category Avg Price:
(Luxury Sports Cars)
121269
Category Avg Price Range:
(Luxury Sports Cars)
60394 - 258844
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
150096
Price Range:
99265 - 197388
Category Avg Price:
(Luxury Sports Cars)
121269
Category Avg Price Range:
(Luxury Sports Cars)
60394 - 258844
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
5-year Depreciation
Depreciation $:
14163
Depreciation %:
0.19455209
Resale Value $:
58637
Residual Value %:
0.80544791
Typical Category Depreciation %:
(Luxury Sports Cars)
0.27961642
Category Depreciation Range:
(Luxury Sports Cars)
0.17060832 - 0.55051463
5-year Depreciation
Depreciation $:
42960
Depreciation %:
0.40566591
Resale Value $:
62940
Residual Value %:
0.59433409
Typical Category Depreciation %:
(Luxury Sports Cars)
0.27961642
Category Depreciation Range:
(Luxury Sports Cars)
0.17060832 - 0.55051463
Porsche 718 Cayman Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
9.8 / 10
Safety:
Not available
Mercedes-Benz AMG GT Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
8.4 / 10
Safety:
Not available
iSeeCars Reliability Insights for Porsche 718 Cayman
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Sports Cars)
20.2
Category Life Expectancy Range:
(Luxury Sports Cars)
13.0 - 29.7
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for Mercedes-Benz AMG GT
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Sports Cars)
20.2
Category Life Expectancy Range:
(Luxury Sports Cars)
13.0 - 29.7
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
4.2095799740109765
Typical Category Recalls:
(Luxury Sports Cars)
3.9
Category Range for Recalls:
(Luxury Sports Cars)
0.9 - 7.2
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3.8347539286319825
Typical Category Recalls:
(Luxury Sports Cars)
3.9
Category Range for Recalls:
(Luxury Sports Cars)
0.9 - 7.2
Porsche 718 Cayman Rankings
Ranking
2 out of / 38Ranking
5 out of / 38Ranking
7 out of / 21Ranking
22 out of / 38Mercedes-Benz AMG GT Rankings
Ranking
1 out of / 38Ranking
8 out of / 38Ranking
8 out of / 38Ranking
13 out of / 21Ranking
14 out of / 38Ranking
16 out of / 38Ranking
18 out of / 38Available Body Styles
Coupe
Available Body Styles
Coupe, Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline, Plug-In Hybrid
Porsche 718 Cayman Trim Levels
Base, GT4 RS, GTS 4.0, S, Style Edition
Mercedes-Benz AMG GT Trim Levels
Not yet available
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:
300 hp @ 6500 rpm
Torque:
280 foot-lbs @ 1950 rpm
Power-to-Weight Ratio (higher is better):
0.097 hp per pound
Base Drivetrain Specs
Horsepower:
416 hp @ 6750 rpm
Torque:
369 foot-lbs @ 3000 rpm
Power-to-Weight Ratio (higher is better):
0.105 hp per pound
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
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
19 / 27 / 22
Range (city/hwy):
352 / 500 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Apple CarPlay:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Keyless Ignition:
Available
Navigation System:
Available
Paddle Shifters:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Android Auto:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
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
Heated Seats
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Standard
Keyless Ignition:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Wireless Smartphone Charging:
Standard
Air Suspension:
N/A
Android Auto:
Standard
Automatic Parking:
Standard
Bench Seats:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
Standard
Massage Seats:
Available
Panoramic Sunroof/Moonroof
Available
Power Lift Gate:
Standard
Quad Seats:
Standard
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:
N/A
360-Degree Camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Available
Lane Keeping Assist:
Available
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
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:
15 cubic feet
Overall Interior Volume:
Not yet available
Interior Dimensions
Front Head Room:
37.8 inches
Front Leg Room:
42.7 inches
Front Shoulder Room:
56.3 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
11.3 cubic feet
Overall Interior Volume:
81.0 cubic feet
Exterior Dimensions
Curb Weight:
3104 lbs
Width:
78.5 inches
Height:
51 inches
Length:
172.4 inches
Wheelbase:
97.4 inches
Ground Clearance:
4.3 inches
Exterior Dimensions
Curb Weight:
3968 lbs
Width:
82.7 inches
Height:
53.5 inches
Length:
186.1 inches
Wheelbase:
106.3 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
painted aluminum alloy
Tire Size:
235/45ZR18
Standard Wheel/Tire Information
Wheel Size:
19.0 x 9.5 inches
Wheel Type:
aluminum alloy
Tire Size:
255/45R19
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 / Vanadium Grey Metallic
Red
Carmine Red / Guards Red / Ruby Star Neo
Silver
GT Silver Metallic
White
White
Yellow
Racing Yellow
Exterior Colors
Black
Obsidian Black Metallic
Blue
MANUFAKTUR Hyper Blue Magno / MANUFAKTUR Starling Blue Magno / Starling Blue Metallic
Gray
MANUFAKTUR Alpine Grey / Selenite Grey Metallic
Green
Not available
Red
MANUFAKTUR Patagonia Red Metallic
Silver
Cirrus Silver Metallic
White
MANUFAKTUR Moonlight White Magno / MANUFAKTUR Moonlight White Metallic
Yellow
Sun Yellow
Interior Colors
Black
Black / Black/Chalk
Gray
Agate Grey / Black/Chalk / Graphite Blue
Red
Black/Bordeaux Red / Bordeaux Red
Beige
Not available
Brown
Not available
White
Not available
Interior Colors
Black
Black
Gray
Sage Grey/Black
Red
Red Pepper/Black
Beige
MANUFAKTUR Macchiato Beige/Titanium Grey
Brown
MANUFAKTUR Tartufo Brown/Black / Sienna Brown/Black
White
MANUFAKTUR Crystal White/Black
