Mercedes-Benz AMG GT vs. Porsche Cayman

 Black
VS
 Red

Key Specs

Expert Rating

Owner Reviews

Owner Reviews
Not Available

Horsepower

Horsepower
429 hp
300 hp

Bluetooth

Bluetooth

BackUp Camera

BackUp Camera

Engine Type

Engine Type
3.0L Inline
2.0L 4

Interior Features

Alarm

Alarm

BackUp Camera

BackUp Camera

Keyless Entry

Keyless Entry

Universal Garage Door Opener

Universal Garage Door Opener

Rain Sensing Wipers

Rain Sensing Wipers
Optional

Heated Mirrors

Heated Mirrors

Heated Steering Wheel

Heated Steering Wheel
Optional
Optional

Power Mirrors

Power Mirrors

Steering Wheel Controls

Steering Wheel Controls
Optional

Cruise Control

Cruise Control

Power Windows

Power Windows

Rear Defrost

Rear Defrost

Premium Sound System

Premium Sound System
Optional

Power Steering

Power Steering

Exterior Features

Standard Wheels

Standard Wheels
Aluminum
Aluminum

Hands Free Liftgate

Hands Free Liftgate
Optional

Power Folding Mirror

Power Folding Mirror
Optional

Rear Spoiler

Rear Spoiler

Tire Width

Tire Width
P255/45ZR19 - P275/35ZR21
P235/35ZR20 - P235/45ZR18

Wheelbase

Wheelbase
116.2 in.
97.4 in.

Length

Length
199.2 in.
172.4 in.

Width

Width
76.9 in.
70.9 in.

Mechanical Specs

Weight

Weight
4447 lbs.
2944 - 3010 lbs.

Horsepower

Horsepower
429 hp
300 hp

Torque

Torque
384 ft. lbs.
280 ft. lbs.

Turbocharged

Turbocharged

4wheel Disc Brakes

4wheel Disc Brakes

Limited Slip Differential

Limited Slip Differential
Optional

Performance Tires

Performance Tires
Optional

Engine Cylinders

Engine Cylinders
Straight 6 Cylinder
4 Cylinder

Drivetrain

Drivetrain
All Wheel Drive
Rear Wheel Drive

Fuel Capacity

Fuel Capacity
17.4 gal.
14.2 - 16.9 gal.

Combined

Combined
22 mpg
25 - 26 mpg

City

City
19 mpg
21 - 22 mpg

Highway

Highway
24 mpg
28 - 29 mpg

Active Suspension

Active Suspension
Optional

Manual Mode

Manual Mode
Optional

Safety Features

Spare Tire

Spare Tire

ABS Brakes

ABS Brakes

Automatic Headlights

Automatic Headlights

Tire Pressure Monitor System

Tire Pressure Monitor System

Stability Control

Stability Control

Traction Control

Traction Control

Adaptive Cruise Control

Adaptive Cruise Control
Optional
Optional

Automated Emergency Braking

Automated Emergency Braking

Blind Spot Monitor

Blind Spot Monitor
Optional

Driver Airbag

Driver Airbag

Passenger Airbag

Passenger Airbag

Front Side Airbag

Front Side Airbag

Front Head Airbag

Front Head Airbag

Passenger Airbag Sensor

Passenger Airbag Sensor

Knee Airbag

Knee Airbag

Tech Specs

Vehicle Name

Vehicle Name
Mercedes-Benz AMG GT
Porsche 718 Cayman

Body Style

Body Style
Hatchback
Coupe

Drivetrain

Drivetrain
All Wheel Drive
Rear Wheel Drive

EPA Classification

EPA Classification
Compact Cars
Two-Seaters

Passenger Capacity

Passenger Capacity
4
2

Base Curb Weight

Base Curb Weight
4447 lbs.
2944 - 3010 lbs.

Fuel Economy Est-Combined

Fuel Economy Est-Combined
21 mpg.
24 - 25 mpg.

EPA Fuel Economy Est - City

EPA Fuel Economy Est - City
19 mpg.
21 - 22 mpg.

EPA Fuel Economy Est - Hwy

EPA Fuel Economy Est - Hwy
24 mpg.
28 - 29 mpg.

Engine Type

Engine Type
Intercooled Turbo Gas/Electric I-6
Intercooled Turbo Premium Unleaded H-4

Displacement

Displacement
3.0 L/183
2.0 L/121

Fuel System

Fuel System
Gasoline Direct Injection
Gasoline Direct Injection

Trans Type

Trans Type
9
6 - 7

Trans Description Cont.

Trans Description Cont.
Automatic w/OD
Auto-Shift Manual w/OD - Manual w/OD

First Gear Ratio (:1)

First Gear Ratio (:1)
5.35
3.31 - 3.91

Second Gear Ratio (:1)

Second Gear Ratio (:1)
3.24
1.95 - 2.29

Third Gear Ratio (:1)

Third Gear Ratio (:1)
2.25
1.41 - 1.65

Fourth Gear Ratio (:1)

Fourth Gear Ratio (:1)
1.64
1.13 - 1.30

Fifth Gear Ratio (:1)

Fifth Gear Ratio (:1)
1.21
0.95 - 1.08

Sixth Gear Ratio (:1)

Sixth Gear Ratio (:1)
1.00
0.81 - 0.88

Reverse Ratio (:1)

Reverse Ratio (:1)
4.80
3.00 - 3.55

Final Drive Axle Ratio (:1)

Final Drive Axle Ratio (:1)
3.27
3.89

Tons/yr of CO2 Emissions @ 15K mi/year

Tons/yr of CO2 Emissions @ 15K mi/year
8.4
7.0 - 7.3

Suspension Type - Front

Suspension Type - Front
Multi-Link
Strut

Suspension Type - Rear

Suspension Type - Rear
Multi-Link
Strut

Suspension Type - Front (Cont.)

Suspension Type - Front (Cont.)
Multi-Link
Strut

Suspension Type - Rear (Cont.)

Suspension Type - Rear (Cont.)
Multi-Link
Strut

Front Tire Size

Front Tire Size
P255/45ZR19, P265/40ZR20, P275/35ZR21
P235/35ZR20, P235/40ZR19, P235/45ZR18

Rear Tire Size

Rear Tire Size
P285/40ZR19, P295/35ZR20, P315/30ZR21
P265/35ZR20, P265/40ZR19, P265/45ZR18

Front Wheel Size

Front Wheel Size
19 X 9.5 - 21 X 10 in.
18 X 8 - 20 X 8.5 in.

Rear Wheel Size

Rear Wheel Size
19 X 11 - 21 X 11.5 in.
18 X 9.5 - 20 X 10.5 in.

Front Wheel Material

Front Wheel Material
Aluminum - Forged Aluminum
Aluminum - Forged Aluminum

Rear Wheel Material

Rear Wheel Material
Aluminum - Forged Aluminum
Aluminum - Forged Aluminum

Steering Type

Steering Type
Rack-Pinion
Rack-Pinion

Brake Type

Brake Type
4-Wheel Disc
4-Wheel Disc

Brake ABS System

Brake ABS System
4-Wheel
4-Wheel

Disc - Front

Disc - Front
Yes
Yes

Disc - Rear

Disc - Rear
Yes
Yes

Front Brake Rotor Diam x Thickness

Front Brake Rotor Diam x Thickness
14.2 in.
13 - 13.8 in.

Rear Brake Rotor Diam x Thickness

Rear Brake Rotor Diam x Thickness
14.2 in.
11.8 - 13.8 in.

Fuel Tank Capacity, Approx

Fuel Tank Capacity, Approx
17.4 gal.
14.2 - 16.9 gal.

Wheelbase

Wheelbase
116.2 in.
97.4 in.

Length, Overall

Length, Overall
199.2 in.
172.4 in.

Width, Max w/o mirrors

Width, Max w/o mirrors
76.9 in.
70.9 in.

Height, Overall

Height, Overall
57.3 in.
50.6 - 51 in.

Track Width, Front

Track Width, Front
65.9 in.
59.6 in.

Track Width, Rear

Track Width, Rear
65.6 in.
60.3 in.

Min Ground Clearance

Min Ground Clearance
4.6 in.
3.9 - 4.3 in.

Seventh Gear Ratio (:1)

Seventh Gear Ratio (:1)
0.86
0.62

Model Group

Model Group
GT Class
Cayman

Vehicle Segment

Vehicle Segment
Luxury Sport
Luxury Sport

Vehicle Type

Vehicle Type
Hatchback
Coupe

Engine Displacement Units

Engine Displacement Units
3.0
2.0

Engine Camshaft

Engine Camshaft
DOHC
DOHC

Engine Block Type

Engine Block Type
aluminum
aluminum

Engine Cylinder Count

Engine Cylinder Count
6
4

Engine Valve Count

Engine Valve Count
4
4