2021 Mercedes-Benz AMG GT vs 2021 Porsche 911

2021 Mercedes-Benz AMG GT

#3 in Coupes

2021 Porsche 911

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AMG GT 43 4-Door Coupe

Style	MPG City	MPG Hwy	Invoice	MSRP
AMG GT AMG GT 43 4-Door Coupe	20	25	$84,506	$89,900
AMG GT AMG GT 53 4-Door Coupe	20	25	$93,953	$99,950
AMG GT AMG GT 63 4-Door Coupe	16	21	$132,164	$140,600
AMG GT AMG GT 63 S 4-Door Coupe	16	21	$152,186	$161,900
AMG GT AMG GT Black Series Coupe	15	20	$305,500	$325,000
AMG GT AMG GT C Coupe	15	19	$144,290	$153,500
AMG GT AMG GT C Roadster	15	20	$155,194	$165,100
AMG GT AMG GT Coupe	15	20	$111,484	$118,600
AMG GT AMG GT R Coupe	14	20	$155,664	$165,600
AMG GT AMG GT Roadster	15	20	$122,858	$130,700

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Carrera 4 Convertible

Style	MPG City	MPG Hwy	Invoice	MSRP
911 Carrera 4 Convertible	18	24	N/A	$119,300
911 Carrera 4 Coupe	18	24	N/A	$106,500
911 Carrera 4S Convertible	18	23	N/A	$135,200
911 Carrera 4S Coupe	18	23	N/A	$122,400
911 Carrera Convertible	18	24	N/A	$112,000
911 Carrera Coupe	18	24	N/A	$99,200
911 Carrera S Convertible	18	23	N/A	$127,900
911 Carrera S Coupe	18	23	N/A	$115,100
911 Targa 4	18	24	N/A	$119,300
911 Targa 4S	18	23	N/A	$135,200
911 Targa 4S Heritage Design Edition	18	23	N/A	$180,600
911 Turbo Convertible	15	20	N/A	$183,600
911 Turbo Coupe	15	20	N/A	$170,800
911 Turbo S Convertible	15	20	N/A	$216,300
911 Turbo S Coupe	15	20	N/A	$203,500

Show Only Differences

Pricing

Invoice Price

$84,506

Coming Soon

Manufacturer Suggested Retail Price

$89,900

$119,300

Monthly Payment Estimate

$1498 / month

$1988 / month

The Car Connection's Take

TCC Rating

7.2

Read Our Full Review

7.2

Read Our Full Review

TCC’s Bottom Line

The 2021 Mercedes-Benz AMG GT 4-Door Coupe is a worthy rival for the best performance sedans on the market.

The 2021 Porsche 911 bristles with pavement-conquering confidence, and brims with tech and luxe touches.

TCC Likes

Muscular presence
Track performer
Abundant power

A sports car icon
Performance perfection
Near infinite customization

TCC Dislikes

Can feel closed in
Transmission can get confused
Expensive

Get a second mortgage if you want to buy a Turbo
Manual transmission isn’t offered on base car
Back seat or penalty box? Hard to tell

Fuel Economy

City

20 mpg

18 mpg

Highway

25 mpg

24 mpg

Vehicle

EPA Classification

Compact Cars

Minicompact Cars

Interior Dimensions

Second Hip Room (in)

58.6

Front Head Room (in)

40.8

Front Hip Room (in)

58.9

Passenger Capacity

Second Shoulder Room (in)

57.2

Front Shoulder Room (in)

57.8

Second Head Room (in)

38.2

Exterior Dimensions

Track Width, Front (in)

65.9

62.7

Min Ground Clearance (in)

4.6

Length, Overall (in)

199.2

177.9

Height, Overall (in)

57.3

51.1

Track Width, Rear (in)

65.6

61.2

Wheelbase (in)

116.2

96.5

Width, Max w/o mirrors (in)

76.9

72.9

Brakes

Rear Drum Diam x Width (in)

Disc - Front (Yes or )

Yes

Front Brake Rotor Diam x Thickness (in)

14.2

Drum - Rear (Yes or )

Brake ABS System

4-Wheel

Disc - Rear (Yes or )

Yes

Rear Brake Rotor Diam x Thickness (in)

14.2

Brake Type

4-Wheel Disc

Fuel Tank

Fuel Tank Capacity, Approx (gal)

21.1

17.6

Steering

Steering Type

Rack-Pinion

Turning Diameter - Curb to Curb (ft)

36.8

Tires

Spare Tire Size

Front Tire Order Code

R01

Spare Tire Order Code

Rear Tire Size

P285/40ZR19

P295/35YR20

Rear Tire Order Code

R01

Front Tire Size

P255/45ZR19

P235/40YR19

Weight Information

Base Curb Weight (lbs)

4530

3614

Wheels

Rear Wheel Material

Aluminum

Rear Wheel Size (in)

19 X 11

20 X 11.5

Front Wheel Material

Aluminum

Spare Wheel Material

Front Wheel Size (in)

19 X 9.5

19 X 8.5

Spare Wheel Size (in)

Engine

Engine Type

Intercooled Turbo Gas/Electric I-6

Twin Turbo Premium Unleaded H-6

Fuel System

Gasoline Direct Injection

SAE Net Torque @ RPM

369 @ 1800

331 @ 1950

Engine Order Code

Displacement

3.0 L/183

3.0 L/182

SAE Net Horsepower @ RPM

362 @ 5500

379 @ 6500

Mileage

EPA Fuel Economy Est - City (MPG)

Fuel Economy Est-Combined (MPG)

EPA Fuel Economy Est - Hwy (MPG)

Transmission

Second Gear Ratio (:1)

3.24

3.17

Trans Order Code

G1G

Fourth Gear Ratio (:1)

1.64

1.56

Trans Description Cont.

Automatic w/OD

Auto-Shift Manual w/OD

Drivetrain

All Wheel Drive

Sixth Gear Ratio (:1)

1.00

0.94

First Gear Ratio (:1)

5.35

4.89

Eighth Gear Ratio (:1)

0.72

0.61

Final Drive Axle Ratio (:1)

3.27

3.39

Third Gear Ratio (:1)

2.25

2.15

Trans Type

Fifth Gear Ratio (:1)

1.21

1.18

Trans Description Cont. Again

Seventh Gear Ratio (:1)

0.86

0.76

Reverse Ratio (:1)

4.80

3.99

Summary

Vehicle Name

Mercedes-Benz AMG GT

Porsche 911

Body Style

Hatchback

Cabriolet

Suspension

Suspension Type - Rear

Multi-Link

Suspension Type - Rear (Cont.)

Multi-Link

Suspension Type - Front

Multi-Link

Strut

Suspension Type - Front (Cont.)

Multi-Link

Strut

Emissions

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

8.0

8.8

2021 Mercedes-Benz AMG GT

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2021 Porsche 911

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