Compare 2013 BMW 6-Series vs 2013 Mercedes-Benz SL Class vs 2013 Porsche 911

2013 BMW 6-Series
X
2013 Mercedes-Benz SL Class
X
2013 Porsche 911
X
Select style
2-Door Conv 640i
Style MPG City MPG Hwy Invoice MSRP
6 Series 2-Door Conv 640i 20 30 $75,810 $82,400
6 Series 2-Door Conv 650i 17 25 $86,205 $93,700
6 Series 2-Door Conv 650i xDrive 16 24 $88,965 $96,700
6 Series 2-Door Coupe 640i 23 33 $68,910 $74,900
6 Series 2-Door Coupe 650i 17 25 $79,305 $86,200
6 Series 2-Door Coupe 650i xDrive 16 24 $82,065 $89,200
6 Series 4-Door Sedan 640i Gran Coupe 20 30 $70,380 $76,500
6 Series 4-Door Sedan 650i Gran Coupe 17 25 $80,225 $87,200
6 Series 4-Door Sedan 650i xDrive Gran Coupe 16 24 $82,985 $90,200
M6 2-Door Conv 14 20 $105,480 $114,650
M6 2-Door Coupe 14 20 $99,680 $108,350
Select style
2-Door Roadster SL 550
Style MPG City MPG Hwy Invoice MSRP
SL-Class 2-Door Roadster SL 550 17 25 $98,115 $105,500
SL-Class 2-Door Roadster SL 63 AMG 16 25 $135,594 $145,800
SL-Class 2-Door Roadster SL 65 AMG 14 21 $197,383 $212,240
Select style
2-Door Convertible Carrera
Style MPG City MPG Hwy Invoice MSRP
911 2-Door Convertible Carrera 19 27 $84,150 $93,700
911 2-Door Convertible Carrera 4 19 26 $92,457 $102,930
911 2-Door Convertible Carrera 4S 18 26 $105,597 $117,530
911 2-Door Convertible Carrera S 19 27 $97,020 $108,000
911 2-Door Convertible S Turbo 16 24 $154,710 $172,100
911 2-Door Convertible Turbo 16 24 $133,920 $149,000
911 2-Door Coupe Carrera 19 27 $73,710 $82,100
911 2-Door Coupe Carrera 4 19 27 $81,747 $91,030
911 2-Door Coupe Carrera 4S 18 26 $94,887 $105,630
911 2-Door Coupe Carrera S 19 27 $86,580 $96,400
911 2-Door Coupe S Turbo 17 25 $144,450 $160,700
911 2-Door Coupe Turbo 16 24 $123,570 $137,500

Pricing

Invoice Price

$75,810
$98,115
$84,150

Manufacturer Suggested Retail Price

$82,400
$105,500
$93,700

Monthly Payment Estimate

$1373 / month
$1758 / month
$1562 / month

The Car Connection's Take

TCC Rating

8.8
8.4
9.0

TCC’s Bottom Line

With the addition of a new four-door Gran Coupe and M6 Coupe, the 6-Series lineup covers the full range of personal luxury, from soft and elegant to sharp and athletic. The 2013 Mercedes-Benz SL Class toughens up its image and its handling, but still feels more content as a grand touring grand dame. Still a tremendous value, the 2013 Porsche 911 range offers a great balance between dedicated sports car handling and daily practicality.

TCC Likes

TCC Dislikes

Fuel Economy

City

20 mpg 17 mpg 19 mpg

Highway

30 mpg 25 mpg 27 mpg

Vehicle

EPA Classification

Compact Cars 2 Seater Mini-Compact

Interior Dimensions

Second Hip Room (in)

- TBD - - - TBD -

Front Shoulder Room (in)

56.900 55.5 - TBD -

Passenger Volume (ft³)

89.000 50.5 - TBD -

Second Head Room (in)

36.500 - - TBD -

Second Shoulder Room (in)

49.600 - - TBD -

Front Leg Room (in)

42.100 42.9 - TBD -

Passenger Capacity

4 2 4

Front Hip Room (in)

- TBD - - TBD - - TBD -

Second Leg Room (in)

30.500 - - TBD -

Front Head Room (in)

40.300 39.1 - TBD -

Exterior Dimensions

Track Width, Front (in)

62.800 62.9 - TBD -

Min Ground Clearance (in)

- TBD - 3.8 4.8

Length, Overall (in)

192.800 181.8 176.8

Height, Overall (in)

53.700 51.8 51.1

Track Width, Rear (in)

65.000 63.0 - TBD -

Wheelbase (in)

112.400 101.8 96.5

Liftover Height (in)

- TBD - - TBD - - TBD -

Width, Max w/o mirrors (in)

74.600 73.9 71.2

Cargo Area Dimensions

Trunk Volume (ft³)

10.600 - 12.400 13.5/8.5 4.8

Brakes

Drum - Rear (Yes or )

NA NA NA

Brake ABS System

4-Wheel 4-Wheel 4-Wheel

Disc - Rear (Yes or )

Yes Yes Yes

Rear Brake Rotor Diam x Thickness (in)

13.600 x 0.900 12.6 x 0.9 13.00 x 1.10

Brake Type

Pwr Pwr Pwr

Rear Drum Diam x Width (in)

NA NA NA

Disc - Front (Yes or )

Yes Yes Yes

Front Brake Rotor Diam x Thickness (in)

13.700 x 1.200 13.5 x 1.3 13.00 x 1.10

Fuel Tank

Fuel Tank Capacity, Approx (gal)

18.500 19.8 17.7

Steering

Steering Ratio (:1), Overall

17.200 16.3 16.60-12.25

Turning Diameter - Curb to Curb (ft)

38.400 36.2 36.4

Steering Type

Pwr Rack and Pinion Pwr Rack & Pinion Pwr Rack & Pinion

Lock to Lock Turns (Steering)

- TBD - 2.6 2.55

Turning Diameter - Wall to Wall (ft)

- TBD - N/A - TBD -

Tires

Rear Tire Order Code

NA NA NA

Front Tire Size

P245/45R18 P255/40R18 P235/40ZR19

Spare Tire Size

NA NA Compact

Front Tire Order Code

NA NA NA

Spare Tire Order Code

NA NA NA

Rear Tire Size

P245/45R18 P285/35R18 P285/35ZR19

Trailering

Dead Weight Hitch - Max Tongue Wt. (lbs)

NA NA NA

Wt Distributing Hitch - Max Tongue Wt. (lbs)

NA NA NA

Dead Weight Hitch - Max Trailer Wt. (lbs)

NA NA NA

Wt Distributing Hitch - Max Trailer Wt. (lbs)

NA NA NA

Weight Information

Base Curb Weight (lbs)

4255 4001 3197

Wheels

Front Wheel Size (in)

18 x 8 18 x 8.5 19 x 8.5

Spare Wheel Size (in)

NA NA Compact

Rear Wheel Material

Aluminum Aluminum Aluminum

Rear Wheel Size (in)

18 x 8 18 x 9.5 19 x 11

Front Wheel Material

Aluminum Aluminum Aluminum

Spare Wheel Material

NA NA - TBD -

Cooling System

Total Cooling System Capacity (qts)

10.800 - TBD - - TBD -

Electrical

Cold Cranking Amps @ 0° F (Primary)

- TBD - - TBD - - TBD -

Maximum Alternator Capacity (amps)

210 - TBD - NA

Engine

SAE Net Torque @ RPM

332 @ 1400-4500 516 @ 1800 - 3500 287 @ 5600

Engine Order Code

NA NA NA

Displacement

3.0L/182 4.6L/285 3.4L/210

SAE Net Horsepower @ RPM

315 @ 5800-6000 429 @ 5250 350 @ 7400

Engine Type

Turbocharged Gas I6 Turbocharged Gas V8 Gas Flat 6

Fuel System

Direct Injection Direct Injection Direct Injection

Mileage

EPA Fuel Economy Est - Hwy (MPG)

30 25 27

EPA Fuel Economy Est - City (MPG)

20 17 19

Fuel Economy Est-Combined (MPG)

24 20 22

Transmission

Clutch Size (in)

NA NA - TBD -

Third Gear Ratio (:1)

2.110 1.92 - TBD -

Trans Type

8 7 7

Drivetrain

Rear Wheel Drive Rear Wheel Drive Rear Wheel Drive

Fifth Gear Ratio (:1)

1.290 1.00 - TBD -

Trans Description Cont. Again

NA NA NA

Reverse Ratio (:1)

3.300 3.42/2.23 - TBD -

Eighth Gear Ratio (:1)

0.670 - -

Second Gear Ratio (:1)

3.140 2.86 - TBD -

Trans Order Code

2TB NA NA

Final Drive Axle Ratio (:1)

3.230 2.65 - TBD -

Fourth Gear Ratio (:1)

1.670 1.37 - TBD -

Trans Description Cont.

Automatic w/Manual Shift Automatic w/Manual Shift Manual

Sixth Gear Ratio (:1)

1.000 0.82 - TBD -

Seventh Gear Ratio (:1)

0.840 0.73 - TBD -

First Gear Ratio (:1)

4.710 4.38 - TBD -

Summary

Vehicle Name

BMW 6 Series Mercedes-Benz SL-Class Porsche 911

Body Style

Convertible Convertible Convertible

Suspension

Shock Absorber Diameter - Front (mm)

NA N/A NA

Stabilizer Bar Diameter - Front (in)

- TBD - - TBD - - TBD -

Suspension Type - Rear

Multi-link Multi-Link Multi-Link

Suspension Type - Rear (Cont.)

NA w/Coil Springs NA

Shock Absorber Diameter - Rear (mm)

NA N/A NA

Suspension Type - Front

Double Wishbone Multi-Link MacPherson Strut

Stabilizer Bar Diameter - Rear (in)

- TBD - - TBD - - TBD -

Suspension Type - Front (Cont.)

NA w/Coil Springs NA

Emissions

EPA Greenhouse Gas Score

6 5 - TBD -

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

6.7 9.0 - TBD -

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