Compare 2019 Mercedes-Benz SL Class vs 2019 Porsche 911

2019 Mercedes-Benz SL Class
2019 Porsche 911
#6 in Coupes
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Roadster SL 450
Style MPG City MPG Hwy Invoice MSRP
Roadster SL 450 20 28 $83,801 $89,150
Roadster SL 550 17 25 $106,737 $113,550
Roadster AMG SL 63 15 23 $145,183 $154,450
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Coupe Carrera
Style MPG City MPG Hwy Invoice MSRP
Coupe Carrera 20 29 N/A $91,100
Coupe Carrera 4 20 28 N/A $98,000
Coupe Carrera T 16 25 N/A $102,100
Cabriolet Carrera 20 29 N/A $103,400
Coupe Carrera S 20 29 N/A $105,100
Cabriolet Carrera 4 19 28 N/A $110,300
Targa 4 19 28 N/A $110,300
Coupe Carrera 4S 20 28 N/A $112,000
Cabriolet Carrera S 20 28 N/A $117,400
Coupe Carrera GTS 18 26 N/A $120,700
Cabriolet Carrera 4S 19 28 N/A $124,300
Targa 4S 19 28 N/A $124,300
Coupe Carrera 4 GTS 18 26 N/A $127,600
Cabriolet Carrera GTS 18 26 N/A $133,000
Cabriolet Carrera 4 GTS 18 26 N/A $139,900
Targa 4 GTS 18 26 N/A $139,900
Coupe GT3 15 20 N/A $143,600
Coupe Turbo 19 24 N/A $161,800
Cabriolet Turbo 19 24 N/A $174,100
Coupe GT3 RS 15 19 N/A $187,500
Coupe Turbo S 19 24 N/A $190,700
Cabriolet Turbo S 19 24 N/A $203,000
Coupe GT2 RS 15 21 N/A $293,200
Pricing
Invoice Price
$83,801
N/A
Manufacturer Suggested Retail Price
$89,150
$91,100
Monthly Payment Estimate
$1486 / month
$1518 / month
The Car Connection's Take
TCC Rating
7.2
7.0
TCC’s Bottom Line
The 2019 Mercedes-Benz SL-Class is an icon among luxury cars and convertibles. It's due for an update, but a good idea never gets old. The 2019 Porsche 911 is a legendary sports car that serves as the benchmark for performance and comfort.
TCC Likes
TCC Dislikes
Fuel Economy
City
20 mpg 20 mpg
Highway
28 mpg 29 mpg
Vehicle
EPA Classification
Two-Seaters Minicompact Cars
Interior Dimensions
Passenger Volume (ft³)
50.5 -
Front Hip Room (in)
53.6 -
Front Head Room (in)
39.1 -
Passenger Capacity
2 4
Front Shoulder Room (in)
55.5 -
Front Leg Room (in)
42.9 -
Exterior Dimensions
Track Width, Front (in)
62.8 60.7
Min Ground Clearance (in)
3.8 -
Length, Overall (in)
182.3 177.1
Height, Overall (in)
51.2 50.9
Track Width, Rear (in)
63 59.8
Wheelbase (in)
101.7 96.5
Width, Max w/o mirrors (in)
73.9 71.2
Cargo Area Dimensions
Trunk Volume (ft³)
8.5 -
Brakes
Rear Brake Rotor Diam x Thickness (in)
12.6 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)
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)
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
P285/30YR19 P295/35YR19
Rear Tire Order Code
R66 NA
Front Tire Size
P255/35YR19 P235/40YR19
Spare Tire Size
NA NA
Front Tire Order Code
R66 NA
Spare Tire Order Code
NA NA
Weight Information
Base Curb Weight (lbs)
3826 3153
Wheels
Front Wheel Material
Aluminum Forged Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
19 X 8.5 19 X 8.5
Spare Wheel Size (in)
NA NA
Rear Wheel Material
Aluminum Forged Aluminum
Rear Wheel Size (in)
19 X 9.5 19 X 11.5
Engine
SAE Net Torque @ RPM
369 @ 2000 331 @ 1700
Engine Order Code
NA NA
Displacement
3.0 L/183 3.0 L/182
SAE Net Horsepower @ RPM
362 @ 5500 370 @ 6500
Engine Type
Twin Turbo Premium Unleaded V-6 Twin Turbo Premium Unleaded H-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
Mileage
Fuel Economy Est-Combined (MPG)
23 23
EPA Fuel Economy Est - Hwy (MPG)
28 29
EPA Fuel Economy Est - City (MPG)
20 20
Transmission
First Gear Ratio (:1)
5.35 3.91
Eighth Gear Ratio (:1)
0.72 -
Final Drive Axle Ratio (:1)
3.07 3.09
Third Gear Ratio (:1)
2.25 1.58
Trans Type
9 7
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1)
1.21 0.94
Trans Description Cont. Again
NA NA
Seventh Gear Ratio (:1)
0.86 0.62
Reverse Ratio (:1)
4.80 3.55
Second Gear Ratio (:1)
3.24 2.29
Trans Order Code
421 487
Fourth Gear Ratio (:1)
1.64 1.18
Trans Description Cont.
Automatic w/OD Manual w/OD
Sixth Gear Ratio (:1)
1.00 0.79
Summary
Vehicle Name
Mercedes-Benz SL Porsche 911
Body Style
Roadster Coupe
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
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
7.7 7.7
Electrical
Cold Cranking Amps @ 0° F (Primary)
- 450
Maximum Alternator Capacity (amps)
- 175
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