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Compare Mercedes-AMG GT vs Mercedes-AMG GT Roadster vs Porsche 718 Cayman GT4
Compare Mercedes-AMG GT
vs
Mercedes-AMG GT Roadster
vs
Porsche 718 Cayman GT4
2021 Mercedes-AMG GT
Select configuration:
AMG GT Coupe
$118,600
Starting Price (MSRP)
8.9
Mercedes-AMG GT For Sale
Mercedes-AMG GT Full Review
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2021 Mercedes-AMG GT Roadster
Select configuration:
AMG GT Roadster
$130,700
Starting Price (MSRP)
8.8
Mercedes-AMG GT Roadster For Sale
Mercedes-AMG GT Roadster Full Review
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2021 Porsche 718 Cayman GT4
Select configuration:
GT4 Coupe RWD
$100,200
Starting Price (MSRP)
8.4
Porsche 718 Cayman GT4 For Sale
Porsche 718 Cayman GT4 Full Review
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Overview
Engine
4.0L Twin-Turbo V8 Gas
Engine
4.0L Twin-Turbo V8 Gas
Engine
4.0L Flat 6 Gas
Transmission
7-Speed Automatic
Transmission
7-Speed Automatic
Transmission
6-Speed Manual
7-Speed Automatic
(+$3,210)
Drivetrain
Rear-Wheel Drive
Drivetrain
Rear-Wheel Drive
Drivetrain
Rear-Wheel Drive
Fuel Economy
City: 15 MPG
Hwy: 20 MPG
Fuel Economy
City: 15 MPG
Hwy: 20 MPG
Fuel Economy
City: 16 MPG
Hwy: 23 MPG
Fuel Tank Capacity
19.8 gallons
Fuel Tank Capacity
19.8 gallons
Fuel Tank Capacity
16.9 gallons
Seating Capacity
2 seater
Seating Capacity
2 seater
Seating Capacity
2 seater
Trunk Volume
N/A
Trunk Volume
5.8 ft³
Trunk Volume
N/A
Photos
35
More
28
More
39
More
Performance Specs
Engine and Transmission
Engine
4.0L Twin-Turbo V8 Gas
4.0L Twin-Turbo V8 Gas
4.0L Flat 6 Gas
Horsepower
523 hp @ 5500 rpm
523 hp @ 5500 rpm
414 hp @ 7600 rpm
Torque
494 lb-ft @ 2100 rpm
494 lb-ft @ 2100 rpm
309 lb-ft @ 5000 rpm
Transmission
7-Speed Automatic
7-Speed Automatic
6-Speed Manual
7-Speed Automatic
(+$3,210)
Drivetrain
Rear-Wheel Drive
Rear-Wheel Drive
Rear-Wheel Drive
Weight and Towing
Curb Weight
3,666 lbs
3,763 lbs
3,208 lbs
Fuel and MPG
Fuel Economy
Combined
17 MPG
17 MPG
19 MPG
City
15 MPG
15 MPG
16 MPG
Highway
20 MPG
20 MPG
23 MPG
Emissions
CO2 Emissions @ 15K mi/year
10.4 Tons/yr
10.4 Tons/yr
9.4 (2020) Tons/yr
Fuel Tank
Fuel Tank Capacity
19.8 gallons
19.8 gallons
16.9 gallons
Cruising Range City
297 miles
297 miles
270.4 miles
Cruising Range Highway
396 miles
396 miles
388.7 miles
Dimensions and Measurement
Exterior Dimensions
Length
179 in
179 in
175.5 in
Height
50.7 in
49.6 in
50 in
Max Width
76.3 in
76.3 in
70.9 in
Front Width
66.1 in
66.3 in
60.6 in
Rear Width
65 in
65 in
60.4 in
Wheelbase
103.5 in
103.5 in
97.8 in
Ground Clearance
N/A
N/A
3.1 in
Interior Space
Seating Capacity
2 seater
2 seater
2 seater
Front Seat Headroom
39.5 in
38 in
N/A
Front Seat Shoulder Room
58.4 in
58.4 in
N/A
Cargo Space
Trunk Volume
N/A
5.8 ft³
N/A
Wheels and Suspension
Steering
Steering Type
Rack-Pinion
Rack-Pinion
Rack-Pinion
Turning Diameter
41 ft
41 ft
37.5 ft
Wheels
Wheels Type
Aluminum Wheels
Aluminum Wheels
Aluminum Wheels
Front Wheel Size
19" x 9"
19" x 9"
20" x 8.5"
Rear Wheel Size
19" x 11"
19" x 11"
20" x 11"
Suspension
Front Suspension
Double Wishbone
Double Wishbone
Strut
Rear Suspension
Double Wishbone
Double Wishbone
Strut
Tires
Front Tire
P255/35ZR19
P255/35ZR19
P245/35ZR20
Rear Tire
P295/30ZR19
P295/30ZR19
P295/30ZR20
Colors and Materials
Standard Exterior Colors
Black
designo Graphite Grey Magno
Jupiter Red
Black
Cirrus Silver Metallic
Jupiter Red
Black
Guards Red
Racing Yellow
White
Optional Exterior Colors
Brilliant Blue Metallic
Cirrus Silver Metallic
Obsidian Black Metallic
Selenite Grey Metallic
designo Diamond White
designo Brilliant Blue Magno
designo Selenite Grey Magno
Brilliant Blue Metallic
Obsidian Black Metallic
Selenite Grey Metallic
designo Diamond White
designo Brilliant Blue Magno
designo Graphite Grey Magno
designo Selenite Grey Magno
Carrara White Metallic
Gentian Blue Metallic
GT Silver Metallic
Chalk
Miami Blue
Python Green
Custom Color
Standard Interior Materials
Black w/Diamond Stitching, Exclusive Nappa Leather Upholstery
Black, MB-Tex/DINAMICA Upholstery
Black w/Diamond Stitching, Exclusive Nappa Leather Upholstery
Black, MB-Tex/DINAMICA Upholstery
Black/Carmine Red Stitch, Partial Leather Seat Trim w/Race-Tex Seat Centers
Optional Interior Materials
Auburn Brown, Nappa Leather Upholstery
Black, Nappa Leather Upholstery
Red Pepper/Black, Nappa Leather Upholstery
Silver Pearl/Black, Nappa Leather Upholstery
Auburn Brown, Nappa Leather Upholstery
Black, Nappa Leather Upholstery
Red Pepper/Black, Nappa Leather Upholstery
Silver Pearl/Black, Nappa Leather Upholstery
Black w/Red Stitching, Leather/Alcantara Seat Trim
Black w/Silver Stitching, Leather/Alcantara Seat Trim
Black w/Silver Stitching, Leather/Alcantara Seat Trim
Black w/Yellow Stitching, Leather/Alcantara Seat Trim
Features and Options
Infotainment
HD Radio
Standard
Standard
Standard
Bluetooth Connection
Standard
Standard
Standard
Hard Disk Drive Media Storage
Standard
Standard
Standard
Premium Sound System
Optional
Optional
Optional
Satellite Radio
Standard
Standard
Standard
Smart Device Integration
Standard
Standard
Optional
Auxiliary Audio Input
Standard
Standard
Standard
MP3 Player
Standard
Standard
Standard
Interior Trim
Bucket Seats
Standard
Standard
Not Available
Cloth Seats
Optional
Optional
Not Available
Leather Seats
Optional
Optional
Standard
Leather Steering Wheel
Standard
Standard
Standard
Premium Synthetic Seats
Standard
Standard
Standard
Vinyl Seats
Optional
Optional
Not Available
Sun/Moonroof
Optional
Not Available
Not Available
Comfort
Navigation System
Standard
Standard
Optional
Steering Wheel Audio Controls
Standard
Standard
Not Available
Power Mirror(s)
Standard
Standard
Standard
A/C
Standard
Standard
Standard
Adaptive Cruise Control
Optional
Optional
Not Available
Automatic Parking
Standard
Standard
Not Available
Climate Control
Standard
Standard
Optional
Cooled Front Seat(s)
Optional
Optional
Not Available
Cruise Control
Standard
Standard
Standard
Hands-Free Liftgate
Optional
Optional
Not Available
Heated Front Seat(s)
Optional
Standard
Not Available
Keyless Entry
Standard
Standard
Standard
Multi-Zone A/C
Standard
Standard
Optional
Power Driver Seat
Standard
Standard
Not Available
Power Passenger Seat
Standard
Standard
Not Available
Remote Trunk Release
Optional
Optional
Not Available
Seat Memory
Standard
Standard
Not Available
Universal Garage Door Opener
Standard
Standard
Standard
Keyless Start
Optional
Optional
Not Available
Telematics
Standard
Standard
Not Available
Safety
Safety Features
Back-Up Camera
Standard
Standard
Standard
Rear Parking Aid
Not Available
Not Available
Standard
Blind Spot Monitor
Optional
Optional
Not Available
Lane Departure Warning
Optional
Optional
Not Available
Lane Keeping Assist
Optional
Optional
Not Available
ABS
Standard
Standard
Standard
Tire Pressure Monitor
Standard
Standard
Standard
Brake Assist
Standard
Standard
Standard
Stability Control
Standard
Standard
Standard
Traction Control
Standard
Standard
Standard
Airbags
Driver Air Bag
Standard
Standard
Standard
Front Head Air Bag
Standard
Standard
Standard
Front Side Air Bag
Standard
Standard
Standard
Knee Air Bag
Standard
Standard
Standard
Passenger Air Bag
Standard
Standard
Standard
Warranty
Warranty Summary
Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
4 Years / 50,000 Miles
4 Years / 50,000 Miles
12 Years / Unlimited Miles
Drivetrain
4 Years / 50,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Roadside Assistance
4 Years / 50,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Maintenance
N/A
N/A
1 Years / 10,000 Miles
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