Compare 2015 Mercedes-Benz SL Class vs 2015 Porsche 911

2015 Mercedes-Benz SL Class
2015 Porsche 911
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2-Door Roadster SL 400
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster SL 400 20 27 $78,120 $84,000
2-Door Roadster SL 550 17 24 $99,417 $106,900
2-Door Roadster SL 63 AMG 16 25 $137,687 $148,050
2-Door Roadster SL 65 AMG 14 21 $200,183 $215,250
Select style
2-Door Coupe Carrera
Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe Carrera 19 27 N/A $84,300
2-Door Coupe Carrera 4 19 27 N/A $91,030
2-Door Cabriolet Carrera 19 27 N/A $96,200
2-Door Coupe Carrera S 19 27 N/A $98,900
2-Door Targa 4 18 26 N/A $101,600
2-Door Cabriolet Carrera 4 19 26 N/A $102,930
2-Door Coupe Carrera 4S 18 26 N/A $105,630
2-Door Cabriolet Carrera S 19 27 N/A $110,800
2-Door Coupe Carrera GTS 18 26 N/A $114,200
2-Door Targa 4S 18 26 N/A $116,200
2-Door Cabriolet Carrera 4S 18 26 N/A $117,530
2-Door Coupe Carrera 4 GTS 18 26 N/A $120,900
2-Door Cabriolet Carrera GTS 18 25 N/A $126,100
2-Door Coupe GT3 15 20 N/A $130,400
2-Door Cabriolet Carrera 4 GTS 18 25 N/A $132,800
2-Door Coupe Turbo 17 24 N/A $151,100
2-Door Cabriolet Turbo 17 24 N/A $163,000
2-Door Coupe Turbo S 17 24 N/A $182,700
2-Door Cabriolet Turbo S 17 24 N/A $194,600
Pricing
Invoice Price
$78,120
N/A
Manufacturer Suggested Retail Price
$84,000
$84,300
Monthly Payment Estimate
$1400 / month
$1405 / month
The Car Connection's Take
TCC Rating
8.2
9.0
TCC’s Bottom Line
The 2015 Mercedes-Benz SL-Class is sportier than its predecessor, but still manages to coddle its occupants just as before. The 2015 Porsche 911 is an enthusiast's dream, with excellent handling, comfort, and performance at every step through its range.
TCC Likes
TCC Dislikes
Fuel Economy
City
20 mpg 19 mpg
Highway
27 mpg 27 mpg
Vehicle
EPA Classification
Two-Seaters Minicompact Cars
Interior Dimensions
Front Hip Room (in)
53.6 -
Passenger Capacity
2 4
Front Head Room (in)
39.1 -
Front Shoulder Room (in)
55.5 -
Front Leg Room (in)
42.9 -
Exterior Dimensions
Track Width, Front (in)
62.9 60.3
Length, Overall (in)
181.6 176.8
Height, Overall (in)
51.8 51.3
Track Width, Rear (in)
63 59.8
Wheelbase (in)
101.8 96.5
Width, Max w/o mirrors (in)
73.9 71.2
Cargo Area Dimensions
Trunk Volume (ft³)
8.5 -
Brakes
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
Rear Brake Rotor Diam x Thickness (in)
12.6 13
Brake Type
4-Wheel Disc 4-Wheel Disc
Fuel Tank
Fuel Tank Capacity, Approx (gal)
19.8 16.9
Steering
Turning Diameter - Curb to Curb (ft)
36.2 36.4
Steering Type
Rack-Pinion Rack-Pinion
Tires
Rear Tire Size
P285/35YR18 P285/35YR19
Rear Tire Order Code
NA NA
Front Tire Size
P255/40YR18 P235/40YR19
Spare Tire Size
NA NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Wheels
Spare Wheel Material
NA NA
Front Wheel Size (in)
18 X 8.5 19 X 8.5
Spare Wheel Size (in)
NA NA
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
18 X 9.5 19 X 11
Front Wheel Material
Aluminum Aluminum
Engine
Engine Type
Twin Turbo Premium Unleaded V-6 Premium Unleaded H-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
354 @ 1600 287 @ 5600
Engine Order Code
NA NA
Displacement
3.0 L/183 3.4 L/210
SAE Net Horsepower @ RPM
329 @ 5250 350 @ 7400
Mileage
EPA Fuel Economy Est - City (MPG)
20 19
Fuel Economy Est-Combined (MPG)
23 22
EPA Fuel Economy Est - Hwy (MPG)
27 27
Transmission
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Reverse Ratio (:1)
3.42 3.55
Second Gear Ratio (:1)
2.86 2.29
Trans Order Code
427 487
Fourth Gear Ratio (:1)
1.37 1.30
Trans Description Cont.
Automatic w/OD Manual w/OD
Sixth Gear Ratio (:1)
0.82 0.88
First Gear Ratio (:1)
4.38 3.91
Final Drive Axle Ratio (:1)
2.65 3.44
Third Gear Ratio (:1)
1.92 1.55
Trans Type
7 7
Seventh Gear Ratio (:1)
0.73 0.71
Fifth Gear Ratio (:1)
1.00 1.08
Trans Description Cont. Again
NA NA
Summary
Body Style
Roadster Coupe
Vehicle Name
Mercedes-Benz SL-Class Porsche 911
Suspension
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link
Suspension Type - Front
Multi-Link Strut
Suspension Type - Front (Cont.)
Multi-Link Strut
Suspension Type - Rear
Multi-Link Multi-Link
Weight Information
Base Curb Weight (lbs)
- 3042
Electrical
Maximum Alternator Capacity (amps)
- 175
Cold Cranking Amps @ 0° F (Primary)
- 450
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
- 8.0

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