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 Coupe 640i
Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe 640i 23 33 $68,910 $74,900
4-Door Sedan Gran Coupe 640i 20 30 $70,380 $76,500
2-Door Convertible 640i 20 30 $75,810 $82,400
2-Door Coupe 650i 17 25 $79,305 $86,200
4-Door Sedan Gran Coupe 650i 17 25 $80,225 $87,200
2-Door Coupe 650i xDrive 16 24 $82,065 $89,200
4-Door Sedan Gran Coupe 650i xDrive 16 24 $82,985 $90,200
2-Door Convertible 650i 17 25 $86,205 $93,700
2-Door Convertible 650i xDrive 16 24 $88,965 $96,700
2-Door Coupe 14 20 $99,680 $108,350
2-Door Convertible 14 20 $105,480 $114,650
Select style
2-Door Roadster SL 550
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster SL 550 17 25 $98,115 $105,500
2-Door Roadster SL 63 AMG 16 25 $135,594 $145,800
2-Door Roadster SL 65 AMG 14 21 $197,383 $212,240
Select style
2-Door Coupe Carrera
Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe Carrera 19 27 $73,710 $82,100
2-Door Coupe Carrera 4 19 27 $81,747 $91,030
2-Door Cabriolet Carrera 19 27 $84,150 $93,700
2-Door Coupe Carrera S 19 27 $86,580 $96,400
2-Door Cabriolet Carrera 4 19 26 $92,457 $102,930
2-Door Coupe Carrera 4S 18 26 $94,887 $105,630
2-Door Cabriolet Carrera S 19 27 $97,020 $108,000
2-Door Cabriolet Carrera 4S 18 26 $105,597 $117,530
2-Door Coupe Turbo 16 24 $123,570 $137,500
2-Door Cabriolet Turbo 16 24 $133,920 $149,000
2-Door Coupe S Turbo 17 25 $144,450 $160,700
2-Door Cabriolet S Turbo 16 24 $154,710 $172,100
Pricing
Invoice Price
$68,910
$98,115
$73,710
Manufacturer Suggested Retail Price
$74,900
$105,500
$82,100
Monthly Payment Estimate
$1248 / month
$1758 / month
$1368 / 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
23 mpg 17 mpg 19 mpg
Highway
33 mpg 25 mpg 27 mpg
Vehicle
EPA Classification
Compact Cars 2 Seater Mini-Compact
Interior Dimensions
Front Head Room (in)
40.000 39.1 - TBD -
Second Hip Room (in)
- TBD - - - TBD -
Front Shoulder Room (in)
56.900 55.5 - TBD -
Passenger Volume (ft³)
87.000 50.5 - TBD -
Second Head Room (in)
35.700 - - TBD -
Second Shoulder Room (in)
49.700 - - 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 -
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)
53.900 51.8 51.3
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)
16.240 13.5/8.5 4.8
Brakes
Front Brake Rotor Diam x Thickness (in)
13.700 x 1.200 13.5 x 1.3 13.00 x 1.10
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
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18.500 19.8 17.7
Steering
Turning Diameter - Wall to Wall (ft)
- TBD - N/A - TBD -
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
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)
4001 4001 3042
Wheels
Spare Wheel Material
NA NA - TBD -
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
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
Fuel Economy Est-Combined (MPG)
26 20 22
EPA Fuel Economy Est - Hwy (MPG)
33 25 27
EPA Fuel Economy Est - City (MPG)
23 17 19
Transmission
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 -
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
Summary
Vehicle Name
BMW 6 Series Mercedes-Benz SL-Class Porsche 911
Body Style
Coupe Convertible Coupe
Suspension
Suspension Type - Front (Cont.)
NA w/Coil Springs NA
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 -
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.1 9.0 - TBD -
EPA Greenhouse Gas Score
7 5 - TBD -

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