Compare 2017 Mercedes-Benz SLC Class vs 2017 Porsche 718

2017 Mercedes-Benz SLC Class
2017 Porsche 718
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Select style
AMG SLC 43 Roadster
Style MPG City MPG Hwy Invoice MSRP
SLC AMG SLC 43 Roadster 20 29 $56,079 $60,300
SLC SLC 300 Roadster 25 32 $44,594 $47,950
Select style
Roadster
Style MPG City MPG Hwy Invoice MSRP
718 Boxster Roadster 21 28 N/A $56,000
718 Boxster S Roadster 20 26 N/A $68,400
718 Cayman Coupe 21 28 N/A $53,900
718 Cayman S Coupe 20 26 N/A $66,300
Pricing
Invoice Price
$56,079
Coming Soon
Manufacturer Suggested Retail Price
$60,300
$56,000
Monthly Payment Estimate
$1005 / month
$933 / month
The Car Connection's Take
TCC Rating
7.2
8.2
TCC’s Bottom Line
The 2017 Mercedes-Benz SLC offers luxurious open-air motoring for buyers who are more interested in weekend getaways than canyon-carving. The 2017 Porsche 718 Boxster and Cayman remains some of our favorite performance cars; they're thrilling to drive, and in base form they're exceptional sports car value, too.
TCC Likes
TCC Dislikes
Fuel Economy
City
20 mpg 21 mpg
Highway
29 mpg 28 mpg
Vehicle
EPA Classification
Two Seaters Two Seaters
Interior Dimensions
Passenger Volume (ft³)
48.8 -
Front Head Room (in)
38 -
Passenger Capacity
2 2
Front Shoulder Room (in)
52.2 -
Front Leg Room (in)
42.5 -
Exterior Dimensions
Track Width, Rear (in)
61.7 60.3
Wheelbase (in)
95.7 97.4
Width, Max w/o mirrors (in)
71.5 70.9
Track Width, Front (in)
61 59.6
Min Ground Clearance (in)
4.1 -
Length, Overall (in)
163.1 172.4
Height, Overall (in)
51.3 50.4
Cargo Area Dimensions
Trunk Volume (ft³)
6.4 9.7
Brakes
Rear Brake Rotor Diam x Thickness (in)
13 11.8
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)
14.2 13
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18.5 14.3
Steering
Turning Diameter - Curb to Curb (ft)
34.5 36
Steering Type
Rack-Pinion Rack-Pinion
Tires
Rear Tire Size
P255/35YR18 P265/45ZR18
Rear Tire Order Code
NA NA
Front Tire Size
P235/40YR18 P235/45ZR18
Spare Tire Size
Compact NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Weight Information
Base Curb Weight (lbs)
3518 2944
Wheels
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
Steel NA
Front Wheel Size (in)
18 X 8 18 X 8
Spare Wheel Size (in)
Compact NA
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
18 X 9 18 X 9.5
Engine
SAE Net Torque @ RPM
384 @ 2000 280 @ 1950
Engine Order Code
NA NA
Displacement
3.0 L/183 2.0 L/121
SAE Net Horsepower @ RPM
362 @ 5500 300 @ 6500
Engine Type
Twin Turbo Premium Unleaded V-6 Intercooled Turbo Premium Unleaded H-4
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
Mileage
Fuel Economy Est-Combined (MPG)
23 24
EPA Fuel Economy Est - Hwy (MPG)
29 28
EPA Fuel Economy Est - City (MPG)
20 21
Transmission
First Gear Ratio (:1)
5.35 3.31
Final Drive Axle Ratio (:1)
2.82 3.89
Third Gear Ratio (:1)
2.25 1.41
Trans Type
9 6
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1)
1.21 0.95
Trans Description Cont. Again
NA NA
Eighth Gear Ratio (:1)
0.72 -
Reverse Ratio (:1)
4.93 3.00
Second Gear Ratio (:1)
3.24 1.95
Trans Order Code
NA 480
Fourth Gear Ratio (:1)
1.64 1.13
Trans Description Cont.
Automatic w/OD Manual w/OD
Seventh Gear Ratio (:1)
0.86 NA
Sixth Gear Ratio (:1)
1.00 0.81
Summary
Vehicle Name
Mercedes-Benz SLC Porsche 718 Boxster
Body Style
Roadster Convertible
Suspension
Suspension Type - Rear (Cont.)
Multi-Link Strut
Suspension Type - Front
Strut Strut
Suspension Type - Front (Cont.)
Strut Strut
Suspension Type - Rear
Multi-Link Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
7.7 7.3

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