2020 Mercedes-Benz AMG GT vs. 2020 Porsche 718 Cayman
When comparing the 2020 Mercedes-Benz AMG GT's and the 2020 Porsche 718 Cayman's specifications and ratings, the 2020 Mercedes-Benz AMG GT has the advantage in the areas of typical lower range of pricing for used cars, reliability and base engine power. The 2020 Porsche 718 Cayman has the advantage in the areas of fuel efficiency, resale value and overall quality score. Based on this comparison of the 2020 Mercedes-Benz AMG GT's and the 2020 Porsche 718 Cayman's specifications and ratings, the two cars are fairly comparable.
2020 Mercedes-Benz AMG GT vs. 2020 Porsche 718 Cayman Pricing
A used 2020 Mercedes-Benz AMG GT ranges from $87,038 to $204,994 while a used 2020 Porsche 718 Cayman is priced between $120,309 to $149,093.
2020 Mercedes-Benz AMG GT vs. 2020 Porsche 718 Cayman Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the 2020 Mercedes-Benz AMG GT loses 41.2 percent of its value and the 2020 Porsche 718 Cayman loses 21.7 percent of its value. This means the 2020 Porsche 718 Cayman retains 19.5 percentage points more of its value and has the advantage of higher resale value versus the 2020 Mercedes-Benz AMG GT.
2020 Mercedes-Benz AMG GT vs. 2020 Porsche 718 Cayman Quality Rating
The iSeeCars Overall Quality rating for the Mercedes-Benz AMG GT is 6.8 out of 10 while the Porsche 718 Cayman's quality rating is 7.6 out of 10. This results in the Mercedes-Benz AMG GT being ranked 13 out of 20 Best Luxury 2-seater Cars and the Porsche 718 Cayman being ranked 5 out of 20. Out of 33 Best Luxury Coupes, the Mercedes-Benz AMG GT is ranked 22 and the Porsche 718 Cayman is ranked 10. The Mercedes-Benz AMG GT is also ranked 25 out of 40 Best Luxury Sports Cars while the Porsche 718 Cayman is ranked 13 out of 40.
2020 Mercedes-Benz AMG GT vs. 2020 Porsche 718 Cayman Reliability Rating
iSeeCars’ Reliability Rating for the Mercedes-Benz AMG GT is 6.6 out of 10. For the Porsche 718 Cayman the reliability rating is 6.4 out of 10. This gives the Mercedes-Benz AMG GT a slight advantage in reliability compared to the Porsche 718 Cayman.
Engine Power and Fuel Efficiency Comparison
For engine performance, the 2020 Mercedes-Benz AMG GT’s base engine makes 469 horsepower, and the 2020 Porsche 718 Cayman base engine makes 300 horsepower. The AMG GT is rated to deliver an average of 18 miles per gallon, with a highway range of 436 miles. The 718 Cayman is rated to deliver an average of 22 miles per gallon, with a highway range of 369 miles.This gives the 2020 Porsche 718 Cayman the advantage in fuel efficiency and the 2020 Mercedes-Benz AMG GT the advantage in maximum range. Both models use premium unleaded.
Pricing
New Asking Price:
-
Used Asking Price:
87038 - 204994
5-Year Depreciation (lower is better):
0.411802
Pricing
New Asking Price:
-
Used Asking Price:
120309 - 149093
5-Year Depreciation (lower is better):
0.217065
Mercedes-Benz AMG GT Scores & Rankings
Overall Score:
6.75 / 10
Reliability:
6.6 / 10
Retained Value:
6.9 / 10
Safety:
Not available
Porsche 718 Cayman Scores & Rankings
Overall Score:
7.6 / 10
Reliability:
6.4 / 10
Retained Value:
8.8 / 10
Safety:
Not available
Mercedes-Benz AMG GT Rankings
Ranking
1 out of / 40Ranking
1 out of / 33Ranking
1 out of / 20Ranking
5 out of / 20Ranking
8 out of / 40Ranking
8 out of / 33Ranking
8 out of / 10Ranking
13 out of / 20Ranking
16 out of / 19Ranking
18 out of / 23Ranking
22 out of / 33Ranking
25 out of / 40Ranking
26 out of / 40Porsche 718 Cayman Rankings
Ranking
1 out of / 25Ranking
2 out of / 40Ranking
2 out of / 33Ranking
2 out of / 20Ranking
4 out of / 10Ranking
5 out of / 20Ranking
5 out of / 14Ranking
7 out of / 25Ranking
7 out of / 19Ranking
7 out of / 19Ranking
8 out of / 25Ranking
10 out of / 33Ranking
10 out of / 23Ranking
10 out of / 19Ranking
11 out of / 30Ranking
13 out of / 40Ranking
13 out of / 20Ranking
14 out of / 26Ranking
15 out of / 33Ranking
22 out of / 40Ranking
27 out of / 40Available Body Styles
Convertible, Coupe, Sedan
Available Body Styles
Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
2020 Mercedes-Benz AMG GT Trim Levels
Not yet available
2020 Porsche 718 Cayman Trim Levels
Base, GT4, S, T
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
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specifications
Horsepower:
469 hp @ 6000 rpm
Torque:
465 foot-lbs @ 1900 rpm
Power-to-Weight Ratio (higher is better):
0.128 hp per pound
Base Drivetrain Specifications
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:
4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
16 / 22 / 18
Range (city/hwy):
317 / 436 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 / 26 / 22
Range (city/hwy):
284 / 369 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Android Auto:
Standard
Apple Car Play:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Sunroof/Moonroof:
Available
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Android Auto:
N/A
Apple Car Play:
Available
Heated Seats
Available
Keyless Entry:
Standard
Keyless Ignition:
Available
Leather Upholstery:
Standard
Navigation System:
Available
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
N/A
Sunroof/Moonroof:
N/A
Wireless Smartphone Charging:
Available
Safety Equipment
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Blind Spot Monitoring:
Available
Lane Departure Warning:
Available
Lane Keeping Assist:
Available
360-Degree Camera:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Equipment
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Blind Spot Monitoring:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
360-Degree Camera:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
39.5 inches
Front Leg Room:
Not yet available
Front Shoulder Room:
58.3 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
10.1 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:
14.9 cubic feet
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
3666 lbs
Width:
81.7 inches
Height:
50.7 inches
Length:
179.4 inches
Wheelbase:
103.5 inches
Ground Clearance:
3.8 inches
Exterior Dimensions
Curb Weight:
3034 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:
19.0 x 9.0 inches
Wheel Type:
aluminum alloy
Tire Size:
255/35ZR19
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
235/45ZR18