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

2019 Mercedes-Benz SLC Class
X
2019 Porsche 718
X
2020 Porsche 911
X
Select style
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 17 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
Coming Soon
Coming Soon

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

Passenger Volume (ft³)

48.8 - -

Front Head Room (in)

38 - -

Passenger Capacity

2 2 4

Front Shoulder Room (in)

52.2 - -

Front Leg Room (in)

42.5 - -

Exterior Dimensions

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

Height, Overall (in)

51.3 50.1 51.1

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

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 Drive

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 NA 0.76

Sixth Gear Ratio (:1)

1.00 0.81 0.94

Summary

Vehicle Name

Mercedes-Benz SLC Porsche 718 Boxster Porsche 911

Body Style

Roadster Convertible Cabriolet

Suspension

Suspension Type - Rear (Cont.)

Multi-Link Strut Multi-Link

Suspension Type - Front

Strut Strut Strut

Suspension Type - Front (Cont.)

Strut Strut Strut

Suspension Type - Rear

Multi-Link Strut Multi-Link

Emissions

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

7.6 8.4 8.9

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