Compare 2019 Mercedes-Benz SL Class vs 2019 Porsche 911

2019 Mercedes-Benz SL Class
2019 Porsche 911
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AMG SL 63 Roadster
Style MPG City MPG Hwy Invoice MSRP
SL AMG SL 63 Roadster 15 23 $145,183 $154,450
SL SL 450 Roadster 20 28 $83,801 $89,150
SL SL 550 Roadster 17 25 $106,737 $113,550
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Carrera 4 Convertible
Style MPG City MPG Hwy Invoice MSRP
911 Carrera 4 Convertible 19 28 N/A $110,300
911 Carrera 4 Coupe 20 28 N/A $98,000
911 Carrera 4 GTS Convertible 18 26 N/A $139,900
911 Carrera 4 GTS Coupe 18 26 N/A $127,600
911 Carrera 4S Convertible 19 28 N/A $124,300
911 Carrera 4S Coupe 20 28 N/A $112,000
911 Carrera Convertible 20 29 N/A $103,400
911 Carrera Coupe 20 29 N/A $91,100
911 Carrera GTS Convertible 18 26 N/A $133,000
911 Carrera GTS Coupe 18 26 N/A $120,700
911 Carrera S Convertible 20 28 N/A $117,400
911 Carrera S Coupe 20 29 N/A $105,100
911 Carrera T Coupe 16 25 N/A $102,100
911 GT2 RS Coupe 15 21 N/A $293,200
911 GT3 Coupe 15 20 N/A $143,600
911 GT3 RS Coupe 15 19 N/A $187,500
911 Speedster Convertible 14 19 N/A $274,500
911 Targa 4 19 28 N/A $110,300
911 Targa 4 GTS 18 26 N/A $139,900
911 Targa 4S 19 28 N/A $124,300
911 Turbo Convertible 19 24 N/A $174,100
911 Turbo Coupe 19 24 N/A $161,800
911 Turbo S Convertible 19 24 N/A $203,000
911 Turbo S Coupe 19 24 N/A $190,700

Pricing

Invoice Price

$145,183
Coming Soon

Manufacturer Suggested Retail Price

$154,450
$110,300

Monthly Payment Estimate

$2574 / month
$1838 / 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

15 mpg 19 mpg

Highway

23 mpg 28 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)

63.8 60.7

Length, Overall (in)

182.7 177.1

Height, Overall (in)

51.2 50.8

Track Width, Rear (in)

63.1 61.3

Wheelbase (in)

101.7 96.5

Width, Max w/o mirrors (in)

73.9 72.9

Cargo Area Dimensions

Trunk Volume (ft³)

8.5 -

Brakes

Rear Brake Rotor Diam x Thickness (in)

14.2 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)

15.4 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 17.9

Steering

Turning Diameter - Curb to Curb (ft)

36.3 36.4

Steering Type

Rack-Pinion Rack-Pinion

Tires

Rear Tire Size

P285/30YR19 P295/35YR19

Rear Tire Order Code

STDTR NA

Front Tire Size

P255/35YR19 P235/40YR19

Spare Tire Size

NA NA

Front Tire Order Code

STDTR NA

Spare Tire Order Code

NA NA

Weight Information

Base Curb Weight (lbs)

4068 3418

Wheels

Front Wheel Material

Aluminum Forged Aluminum

Spare Wheel Material

NA NA

Front Wheel Size (in)

19 X 9 19 X 8.5

Spare Wheel Size (in)

NA NA

Rear Wheel Material

Aluminum Forged Aluminum

Rear Wheel Size (in)

19 X 10 19 X 11.5

Engine

SAE Net Torque @ RPM

664 @ 2250 331 @ 1700

Engine Order Code

NA NA

Displacement

5.5 L/333 3.0 L/182

SAE Net Horsepower @ RPM

577 @ 5500 370 @ 6500

Engine Type

Twin Turbo Premium Unleaded V-8 Twin Turbo Premium Unleaded H-6

Fuel System

Gasoline Direct Injection Gasoline Direct Injection

Mileage

Fuel Economy Est-Combined (MPG)

18 22

EPA Fuel Economy Est - Hwy (MPG)

23 28

EPA Fuel Economy Est - City (MPG)

15 19

Transmission

First Gear Ratio (:1)

4.38 3.91

Final Drive Axle Ratio (:1)

2.65 3.09

Third Gear Ratio (:1)

1.92 1.58

Trans Type

7 7

Drivetrain

Rear Wheel Drive All Wheel Drive

Fifth Gear Ratio (:1)

1.00 0.94

Trans Description Cont. Again

NA NA

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 1.18

Trans Description Cont.

Automatic w/OD Manual w/OD

Seventh Gear Ratio (:1)

0.73 0.62

Sixth Gear Ratio (:1)

0.82 0.79

Summary

Vehicle Name

Mercedes-Benz SL Porsche 911

Body Style

Roadster Cabriolet

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

9.8 8.1

Electrical

Cold Cranking Amps @ 0° F (Primary)

- 450

Maximum Alternator Capacity (amps)

- 175

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