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  3. Compare Mercedes-AMG GT Roadster vs Porsche 911 Targa 4

Compare Mercedes-AMG GT Roadster vs Porsche 911 Targa 4

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
Porsche 911 Targa 4
2024 Porsche 911 Targa 4
Select configuration:
$134,500
Starting Price (MSRP)
8.8
Porsche 911 Targa 4 For SalePorsche 911 Targa 4 Full ReviewPorsche 911 Targa 4 Trims Comparison

Overview

Engine
4.0L Twin-Turbo V8 Gas
Engine
3.0L Twin-Turbo Flat 6 Gas
Transmission
7-Speed Automatic
Transmission
8-Speed Automatic
Drivetrain
Rear-Wheel Drive
Drivetrain
All-Wheel Drive
Fuel Economy
City: 15 MPG
Hwy: 20 MPG
Fuel Economy
City: 18 MPG
Hwy: 24 MPG
Fuel Tank Capacity
19.8 gallons
Fuel Tank Capacity
17.6 gallons
Seating Capacity
2 seater
Seating Capacity
4 seater
Trunk Volume
5.8 ft³
Trunk Volume
N/A

Photos

Mercedes-AMG GT Roadster
2020-2021 Mercedes-Benz AMG GT Roadster Open Top
2020-2021 Mercedes-Benz AMG GT Roadster Center Stack
28
More
Porsche 911 Targa 4
2021-2024 Porsche 911 Targa 4 View Out Back
2021-2024 Porsche 911 Targa 4 Dashboard
60
More

Performance Specs

Engine and Transmission

Engine
4.0L Twin-Turbo V8 Gas
3.0L Twin-Turbo Flat 6 Gas
Horsepower
523 hp @ 5500 rpm
379 hp @ 6500 rpm
Torque
494 lb-ft @ 2100 rpm
331 lb-ft @ 1950 rpm
Transmission
7-Speed Automatic
8-Speed Automatic
Drivetrain
Rear-Wheel Drive
All-Wheel Drive

Weight and Towing

Curb Weight
3,763 lbs
3,658 lbs
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Fuel and MPG

Fuel Economy

Combined
17 MPG
20 MPG
City
15 MPG
18 MPG
Highway
20 MPG
24 MPG

Emissions

CO2 Emissions @ 15K mi/year
10.4 Tons/yr
8.9 (2023) Tons/yr

Fuel Tank

Fuel Tank Capacity
19.8 gallons
17.6 gallons
Cruising Range City
297 miles
316.8 miles
Cruising Range Highway
396 miles
422.4 miles

Dimensions and Measurement

Exterior Dimensions

Length
179 in
177.9 in
Height
49.6 in
51.1 in
Max Width
76.3 in
72.9 in
Front Width
66.3 in
62.7 in
Rear Width
65 in
61.2 in
Wheelbase
103.5 in
96.5 in

Interior Space

Seating Capacity
2 seater
4 seater
Front Seat Headroom
38 in
N/A
Front Seat Shoulder Room
58.4 in
N/A

Cargo Space

Trunk Volume
5.8 ft³
N/A

Wheels and Suspension

Steering

Steering Type
Rack-Pinion
Rack-Pinion
Turning Diameter
41 ft
36.8 ft

Wheels

Wheels Type
Aluminum Wheels
Aluminum Wheels
Front Wheel Size
19" x 9"
19" x 8.5"
Rear Wheel Size
19" x 11"
20" x 11.5"

Suspension

Front Suspension
Double Wishbone
Strut
Rear Suspension
Double Wishbone
Multi-Link

Tires

Front Tire
P255/35ZR19
P235/40YR19
Rear Tire
P295/30ZR19
P295/35YR20

Colors and Materials

Standard Exterior Colors

  • Black
  • Jupiter Red
  • Black
  • Guards Red
  • Paint to Sample
  • Racing Yellow
  • White

Optional Exterior Colors

  • Brilliant Blue Metallic, Late Availability
  • Cirrus Silver Metallic
  • Obsidian Black Metallic
  • Selenite Grey Metallic
  • designo Diamond White
  • designo Brilliant Blue Magno, Late Availability
  • designo Graphite Grey Magno
  • designo Selenite Grey Magno
  • Agate Grey Metallic
  • Aventurine Green Metallic
  • Gentian Blue Metallic
  • GT Silver Metallic
  • Jet Black Metallic
  • Arctic Grey
  • Carmine Red
  • Chalk
  • Ice Grey Metallic
  • Ruby Star Neo
  • Shark Blue

Standard Interior Materials

  • Black, MB-Tex/DINAMICA Upholstery
  • Black/Black w/Diamond St, Exclusive Nappa Leather Upholstery
  • Atacama Beige/Black, Leather Seat Trim w/Two-Tone Heritage Design Int
  • Black, Exclusive Manufaktur Lthr Seat Trim w/Two-Tone Int
  • Black, Leather Seat Trim
  • Black, Leather Seat Trim w/Heritage Design Interior
  • Bordeaux Red, Exclusive Manufaktur Lthr Seat Trim w/Two-Tone Int
  • Classic Cognac/Black, Leather Seat Trim w/Two-Tone Heritage Design Int
  • Graphite Blue, Exclusive Manufaktur Lthr Seat Trim w/Two-Tone Int
  • Slate Grey, Exclusive Manufaktur Lthr Seat Trim w/Two-Tone Int
  • Slate Grey, Leather Seat Trim

Optional Interior Materials

  • Auburn Brown, Nappa Leather Upholstery
  • Black, Nappa Leather Upholstery
  • Red Pepper/Black, Nappa Leather Upholstery
  • Silver Pearl/Black, Nappa Leather Upholstery
  • Mojave Beige/Black, Leather Seat Trim w/Two-Tone Interior
  • Black, Leather Seat Trim w/Leather Package
  • Slate Grey, Leather Seat Trim w/Leather Package
  • Black, Leather Seat Trim w/Leather Interior
  • Black, Leather Seat Trim w/Sport-Tex Centers
  • Black, Lthr Seat Trim w/Lthr Interior & Chalk Stitching
  • Black, Lthr Seat Trim w/Sport-Tex Cntrs & Chalk Stitching
  • Bordeaux Red, Leather Seat Trim w/Leather Interior
  • Bordeaux Red, Lthr Seat Trim w/Lthr Interior & Chalk Stitching
  • Graphite Blue, Leather Seat Trim w/Leather Interior
  • Graphite Blue, Lthr Seat Trim w/Lthr Interior & Chalk Stitching
  • Slate Grey, Leather Seat Trim w/Leather Interior
  • Slate Grey, Lthr Seat Trim w/Lthr Interior & Chalk Stitching
  • Bordeaux Red/Black, Leather Seat Trim w/Two-Tone Leather Interior
  • Chalk/Slate Grey, Leather Seat Trim w/Two-Tone Leather Interior
  • Mojave Beige/Black, Leather Seat Trim w/Two-Tone Leather Interior
  • Truffle Brown, Club Leather Seat Trim
  • Truffle Brown, Club Leather Seat Trim w/Chalk Stitching

Features and Options

Infotainment

HD Radio
Standard
Standard
Bluetooth Connection
Standard
Standard
Hard Disk Drive Media Storage
Standard
Not Available
Premium Sound System
Optional
Optional
Satellite Radio
Standard
Standard
Smart Device Integration
Standard
Standard
WiFi Hotspot
Not Available
Standard
Auxiliary Audio Input
Standard
Standard
MP3 Player
Standard
Standard

Interior Trim

Bucket Seats
Standard
Standard
Cloth Seats
Not Available
Optional
Leather Seats
Standard
Standard
Leather Steering Wheel
Standard
Standard
Premium Synthetic Seats
Standard
Not Available
Woodgrain Interior Trim
Not Available
Optional

Comfort

Navigation System
Standard
Standard
Steering Wheel Audio Controls
Standard
Standard
Power Mirror(s)
Standard
Standard
A/C
Standard
Standard
Adaptive Cruise Control
Standard
Optional
Automatic Parking
Standard
Not Available
Climate Control
Standard
Standard
Cooled Front Seat(s)
Optional
Optional
Cruise Control
Standard
Standard
Hands-Free Liftgate
Optional
Not Available
Heated Front Seat(s)
Standard
Standard
Heated Steering Wheel
Not Available
Optional
Keyless Entry
Standard
Standard
Multi-Zone A/C
Standard
Standard
Power Driver Seat
Standard
Not Available
Power Passenger Seat
Standard
Not Available
Remote Trunk Release
Optional
Not Available
Seat Memory
Standard
Not Available
Universal Garage Door Opener
Standard
Standard
Keyless Start
Optional
Standard
Telematics
Standard
Not Available

Safety

Safety Features

Back-Up Camera
Standard
Standard
Rear Parking Aid
Not Available
Standard
Blind Spot Monitor
Optional
Optional
Lane Departure Warning
Optional
Optional
Lane Keeping Assist
Optional
Optional
ABS
Standard
Standard
Night Vision
Not Available
Optional
Tire Pressure Monitor
Standard
Standard
Brake Assist
Standard
Standard
Stability Control
Standard
Standard
Traction Control
Standard
Standard

Airbags

Driver Air Bag
Standard
Standard
Front Head Air Bag
Standard
Standard
Front Side Air Bag
Standard
Standard
Knee Air Bag
Standard
Not Available
Passenger Air Bag
Standard
Standard

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
4 Years / 50,000 Miles
12 Years / Unlimited Miles
Drivetrain
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Roadside Assistance
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Maintenance
N/A
1 Years / 10,000 Miles
Mercedes-AMG GT Roadster
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