Compare 2019 Mercedes-Benz SLC Class vs 2019 Porsche 718 vs 2020 Porsche 911

2019 Mercedes-Benz SLC Class
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2019 Porsche 718
X
2020 Porsche 911
#3 in Coupes
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AMG SLC 43 Roadster
Style MPG City MPG Hwy Invoice MSRP
SLC AMG SLC 43 Roadster 20 29 $60,066 $63,900
SLC SLC 300 Roadster 23 32 $46,013 $48,950
Select style
GTS Roadster
Style MPG City MPG Hwy Invoice MSRP
718 Boxster GTS Roadster 19 25 N/A $82,800
718 Boxster Roadster 21 28 N/A $59,000
718 Boxster S Roadster 20 26 N/A $71,400
718 Cayman Coupe 21 28 N/A $56,900
718 Cayman GTS Coupe 19 25 N/A $80,700
718 Cayman S Coupe 20 26 N/A $69,300
Select style
Carrera 4 Convertible
Style MPG City MPG Hwy Invoice MSRP
911 Carrera 4 Convertible 18 24 N/A $117,500
911 Carrera 4 Coupe 18 24 N/A $104,700
911 Carrera 4S Convertible 18 23 N/A $133,400
911 Carrera 4S Coupe 18 23 N/A $120,600
911 Carrera Convertible 18 24 N/A $110,200
911 Carrera Coupe 18 24 N/A $97,400
911 Carrera S Convertible 18 23 N/A $126,100
911 Carrera S Coupe 18 24 N/A $113,300
Pricing
Invoice Price
$60,066
N/A
N/A
Manufacturer Suggested Retail Price
$63,900
$82,800
$117,500
Monthly Payment Estimate
$1065 / month
$1380 / month
$1958 / month
The Car Connection's Take
TCC Rating
5.8
7.2
7.0
TCC’s Bottom Line
The 2019 Mercedes-Benz SLC-Class splits its mission between top-down cruiser and top-up thrill seeker. The 2019 Porsche 718 may never be the champion of the automaker’s lineup, but it’s a champ everywhere else. The 2020 Porsche 911 improves upon the sports car icon’s incredible performance while adding needed safety and connectivity features.
TCC Likes
TCC Dislikes
Fuel Economy
City
20 mpg 19 mpg 18 mpg
Highway
29 mpg 25 mpg 24 mpg
Vehicle
EPA Classification
Two-Seaters Two-Seaters Minicompact Cars
Interior Dimensions
Front Leg Room (in)
42.5 - -
Passenger Volume (ft³)
48.8 - -
Front Head Room (in)
38 - -
Passenger Capacity
2 2 4
Front Shoulder Room (in)
52.2 - -
Exterior Dimensions
Height, Overall (in)
51.3 50.1 51.1
Track Width, Rear (in)
61.7 60.4 61.2
Wheelbase (in)
95.7 97.4 96.5
Width, Max w/o mirrors (in)
71.5 70.9 72.9
Track Width, Front (in)
61 60.1 62.7
Min Ground Clearance (in)
4.1 3.9 -
Length, Overall (in)
163.1 173 177.9
Cargo Area Dimensions
Trunk Volume (ft³)
6.4 9.7 -
Brakes
Rear Brake Rotor Diam x Thickness (in)
13 11.8 13
Brake Type
4-Wheel Disc 4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA NA
Disc - Front (Yes or )
Yes Yes Yes
Front Brake Rotor Diam x Thickness (in)
14.2 13 13
Drum - Rear (Yes or )
NA NA NA
Brake ABS System
4-Wheel 4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal)
15.9 16.9 17.6
Steering
Turning Diameter - Curb to Curb (ft)
34.5 36.1 36.8
Steering Type
Rack-Pinion Rack-Pinion Rack-Pinion
Tires
Rear Tire Size
P255/40YR18 P265/35ZR20 P295/35YR20
Rear Tire Order Code
NA NA NA
Front Tire Size
P235/40YR18 P235/35ZR20 P235/40YR19
Spare Tire Size
NA NA NA
Front Tire Order Code
NA NA NA
Spare Tire Order Code
NA NA NA
Weight Information
Base Curb Weight (lbs)
3541 3032 3614
Wheels
Front Wheel Material
Aluminum Aluminum Aluminum
Spare Wheel Material
NA NA NA
Front Wheel Size (in)
18 X 8 20 X 8 19 X 8.5
Spare Wheel Size (in)
NA NA NA
Rear Wheel Material
Aluminum Aluminum Aluminum
Rear Wheel Size (in)
18 X 9 20 X 10 20 X 11.5
Engine
SAE Net Torque @ RPM
384 @ 2500 309 @ 1900 331 @ 1950
Engine Order Code
NA NA NA
Displacement
3.0 L/183 2.5 L/152 3.0 L/182
SAE Net Horsepower @ RPM
385 @ 6100 365 @ 6500 379 @ 6500
Engine Type
Twin Turbo Premium Unleaded V-6 Intercooled Turbo Premium Unleaded H-4 Twin Turbo Premium Unleaded H-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection Gasoline Direct Injection
Mileage
Fuel Economy Est-Combined (MPG)
23 21 20
EPA Fuel Economy Est - Hwy (MPG)
29 25 24
EPA Fuel Economy Est - City (MPG)
20 19 18
Transmission
Sixth Gear Ratio (:1)
1.00 0.81 0.94
First Gear Ratio (:1)
5.35 3.31 4.89
Final Drive Axle Ratio (:1)
2.82 3.89 3.39
Third Gear Ratio (:1)
2.25 1.41 2.15
Trans Type
9 6 8
Drivetrain
Rear Wheel Drive Rear Wheel Drive All Wheel
Fifth Gear Ratio (:1)
1.21 0.95 1.18
Trans Description Cont. Again
NA NA NA
Eighth Gear Ratio (:1)
0.72 - 0.61
Reverse Ratio (:1)
4.80 3.00 3.96
Second Gear Ratio (:1)
3.24 1.95 3.17
Trans Order Code
NA 480 G1G
Fourth Gear Ratio (:1)
1.64 1.13 1.56
Trans Description Cont.
Automatic w/OD Manual w/OD Auto-Shift Manual w/OD
Seventh Gear Ratio (:1)
0.86 - 0.76
Summary
Vehicle Name
Mercedes-Benz SLC Porsche 718 Boxster Porsche 911
Body Style
Roadster Convertible Cabriolet
Suspension
Suspension Type - Rear
Multi-Link Strut Multi-Link
Suspension Type - Rear (Cont.)
Multi-Link Strut Multi-Link
Suspension Type - Front
Strut Strut Strut
Suspension Type - Front (Cont.)
Strut Strut Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
7.6 8.4 8.9
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