Compare 2018 Mercedes-Benz AMG GT vs 2018 Porsche 911

2018 Mercedes-Benz AMG GT
2018 Porsche 911
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AMG GT C Coupe
Style MPG City MPG Hwy Invoice MSRP
AMG GT AMG GT C Coupe 15 20 $134,850 $145,000
AMG GT AMG GT C Roadster 15 20 $146,010 $157,000
AMG GT AMG GT Coupe 16 22 $104,532 $112,400
AMG GT AMG GT R Coupe 15 20 $146,010 $157,000
AMG GT AMG GT Roadster 16 21 $115,692 $124,400
AMG GT AMG GT S Coupe 16 22 $123,132 $132,400
Select style
Carrera 4 Convertible
Style MPG City MPG Hwy Invoice MSRP
911 Carrera 4 Convertible 19 28 N/A $110,300
911 Carrera 4 Coupe 20 28 N/A $98,000
911 Carrera 4 GTS Convertible 18 26 N/A $139,900
911 Carrera 4 GTS Coupe 18 26 N/A $127,600
911 Carrera 4S Convertible 19 28 N/A $124,300
911 Carrera 4S Coupe 20 28 N/A $112,000
911 Carrera Convertible 20 29 N/A $103,400
911 Carrera Coupe 20 29 N/A $91,100
911 Carrera GTS Convertible 18 26 N/A $133,000
911 Carrera GTS Coupe 18 26 N/A $120,700
911 Carrera S Convertible 20 28 N/A $117,400
911 Carrera S Coupe 20 29 N/A $105,100
911 Carrera T Coupe 16 25 N/A $102,100
911 GT2 RS Coupe 15 21 N/A $293,200
911 GT3 Coupe 15 20 N/A $143,600
911 Targa 4 19 28 N/A $110,300
911 Targa 4 GTS 18 26 N/A $139,900
911 Targa 4S 19 28 N/A $124,300
911 Turbo Convertible 19 24 N/A $174,100
911 Turbo Coupe 19 24 N/A $161,800
911 Turbo S Convertible 19 24 N/A $203,000
911 Turbo S Coupe 19 24 N/A $190,700
Pricing
Invoice Price
$134,850
N/A
Manufacturer Suggested Retail Price
$145,000
$110,300
Monthly Payment Estimate
$2417 / month
$1838 / month
The Car Connection's Take
TCC Rating
7.8
7.6
TCC’s Bottom Line
The 2018 Mercedes-AMG GT performs brilliantly on any kind of pavement, making it one of our favorite modern sports cars. The 2018 Porsche 911 is a superlative sports car that has defied its age. It’s a classic, but performs better than nearly any newcomer to its arena.
TCC Likes
TCC Dislikes
Fuel Economy
City
15 mpg 19 mpg
Highway
20 mpg 28 mpg
Vehicle
EPA Classification
Two-Seaters Minicompact Cars
Interior Dimensions
Passenger Capacity
2 4
Front Head Room (in)
39.5 -
Exterior Dimensions
Length, Overall (in)
179 177.1
Height, Overall (in)
50.7 50.7
Track Width, Rear (in)
66.1 61.3
Wheelbase (in)
103.5 96.5
Width, Max w/o mirrors (in)
79 72.9
Track Width, Front (in)
66.1 60.7
Brakes
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
14.2 13
Brake Type
4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
15.4 13
Fuel Tank
Fuel Tank Capacity, Approx (gal)
19.8 17.9
Steering
Steering Type
Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
37.6 36.7
Tires
Spare Tire Size
NA NA
Front Tire Order Code
R03-1 NA
Spare Tire Order Code
NA NA
Rear Tire Size
P305/30ZR20 P295/35YR19
Rear Tire Order Code
R03-1 NA
Front Tire Size
P265/35ZR19 P235/40YR19
Weight Information
Base Curb Weight (lbs)
3748 3417
Wheels
Rear Wheel Material
Aluminum Forged Aluminum
Rear Wheel Size (in)
20 X 12 19 X 11.5
Front Wheel Material
Aluminum Forged Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
19 X 9 19 X 8.5
Spare Wheel Size (in)
NA NA
Engine
SAE Net Torque @ RPM
502 @ 1900 331 @ 1700
Engine Order Code
NA NA
Displacement
4.0 L/243 3.0 L/182
SAE Net Horsepower @ RPM
550 @ 5750 370 @ 6500
Engine Type
Twin Turbo Premium Unleaded V-8 Twin Turbo Premium Unleaded H-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
Mileage
Fuel Economy Est-Combined (MPG)
17 22
EPA Fuel Economy Est - Hwy (MPG)
20 28
EPA Fuel Economy Est - City (MPG)
15 19
Transmission
Sixth Gear Ratio (:1)
0.84 0.79
First Gear Ratio (:1)
3.40 3.91
Final Drive Axle Ratio (:1)
3.67 3.09
Third Gear Ratio (:1)
1.63 1.58
Trans Type
7 7
Fifth Gear Ratio (:1)
1.03 0.94
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
2.79 3.55
Second Gear Ratio (:1)
2.19 2.29
Trans Order Code
NA 487
Fourth Gear Ratio (:1)
1.29 1.18
Trans Description Cont.
Auto-Shift Manual w/OD Manual w/OD
Drivetrain
Rear Wheel Drive All Wheel
Seventh Gear Ratio (:1)
0.63 0.62
Summary
Body Style
Coupe Cabriolet
Vehicle Name
Mercedes-Benz AMG GT Porsche 911
Suspension
Suspension Type - Rear
Double Wishbone Multi-Link
Suspension Type - Rear (Cont.)
Double Wishbone Multi-Link
Suspension Type - Front
Double Wishbone Strut
Suspension Type - Front (Cont.)
Double Wishbone Strut
Electrical
Cold Cranking Amps @ 0° F (Primary)
- 450
Maximum Alternator Capacity (amps)
- 175
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
- 8.0

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