Compare Mercedes-AMG GT vs Mercedes-AMG GT Roadster vs 2021 Porsche 718 Cayman GT4

Mercedes-AMG GT
2021 Mercedes-AMG GT
Select configuration:
$118,600
Starting Price (MSRP)
8.9
Mercedes-AMG GT For SaleMercedes-AMG GT Full ReviewMercedes-AMG GT Trims Comparison
Mercedes-AMG GT Roadster
2021 Mercedes-AMG GT Roadster
Select configuration:
$130,700
Starting Price (MSRP)
8.8
Mercedes-AMG GT Roadster For SaleMercedes-AMG GT Roadster Full ReviewMercedes-AMG GT Roadster Trims Comparison
2021 Porsche 718 Cayman GT4
2021 Porsche 718 Cayman GT4
Select configuration:
$100,200
Starting Price (MSRP)
8.4
2021 Porsche 718 Cayman GT4 For Sale2021 Porsche 718 Cayman GT4 Full Review2021 Porsche 718 Cayman GT4 Trims Comparison

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
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39
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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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