Compare 2010 BMW 6-Series vs 2010 Mercedes-Benz SL Class vs 2010 Porsche 911

2010 BMW 6-Series
X
2010 Mercedes-Benz SL Class
X
2010 Porsche 911
X
Select style
2-Door Conv 650i
Style MPG City MPG Hwy Invoice MSRP
6 Series 2-Door Conv 650i 14 21 $78,705 $85,550
6 Series 2-Door Coupe 650i 15 22 $72,175 $78,450
M6 2-Door Conv 11 17 $99,500 $108,150
M6 2-Door Coupe 11 17 $94,160 $102,350
2010 Mercedes-Benz SL Class
Select style
2-Door Convertible Carrera
Style MPG City MPG Hwy Invoice MSRP
911 2-Door Convertible Carrera 18 26 $79,740 $88,800
911 2-Door Convertible Carrera 4 17 25 $85,410 $95,100
911 2-Door Convertible Carrera 4S 17 23 $95,310 $106,100
911 2-Door Convertible Carrera S 17 25 $89,640 $99,800
911 2-Door Convertible Turbo 15 24 $129,240 $143,800
911 2-Door Coupe Carrera 18 26 $69,840 $77,800
911 2-Door Coupe Carrera 4 17 25 $75,510 $84,100
911 2-Door Coupe Carrera 4S 17 23 $85,410 $95,100
911 2-Door Coupe Carrera S 17 25 $79,740 $88,800
911 2-Door Coupe GT3 15 22 $100,800 $112,200
911 2-Door Coupe GT3 RS 15 22 $119,340 $132,800
911 2-Door Coupe Turbo 16 23 $119,340 $132,800
911 2-Door Targa 4 17 25 $82,710 $92,100
911 2-Door Targa 4S 17 23 $92,610 $103,100
Pricing
Invoice Price
$78,705
N/A
$79,740
Manufacturer Suggested Retail Price
$85,550
N/A
$88,800
Monthly Payment Estimate
$1426 / month
N/A
$1480 / month
The Car Connection's Take
TCC Rating
8.6
8.4
9.0
TCC’s Bottom Line
Carrying all of its technology and features around makes the 2010 BMW 6-Series heavier and less precise than it could be. The 2010 Mercedes-Benz SL-Class roadsters challenge luxury grand tourers and high-energy exotics alike with stupendously powerful engines and enviable ride quality. The 2010 Porsche 911 is an icon-as much for its teardrop shape, as for its startling performance.
TCC Likes
TCC Dislikes
Fuel Economy
City
14 mpg - 18 mpg
Highway
21 mpg - 26 mpg
Vehicle
EPA Classification
Subcompact - Mini-Compact
Interior Dimensions
Second Head Room (in)
36.5 - - TBD -
Second Shoulder Room (in)
49.4 - - TBD -
Front Leg Room (in)
42.0 - - TBD -
Passenger Capacity
4 - 4
Front Hip Room (in)
- TBD - - - TBD -
Second Leg Room (in)
29.0 - - TBD -
Front Head Room (in)
37.8 - - TBD -
Second Hip Room (in)
- TBD - - - TBD -
Front Shoulder Room (in)
56.4 - - TBD -
Passenger Volume (ft³)
82.0 - - TBD -
Exterior Dimensions
Min Ground Clearance (in)
- TBD - - - TBD -
Length, Overall (in)
190.2 - 175.6
Height, Overall (in)
54.1 - 51.6
Track Width, Rear (in)
62.8 - 60.4
Wheelbase (in)
109.4 - 92.5
Liftover Height (in)
- TBD - - - TBD -
Width, Max w/o mirrors (in)
73.0 - 71.2
Track Width, Front (in)
61.3 - 58.5
Cargo Area Dimensions
Trunk Volume (ft³)
11.0 - 4.8
Brakes
Disc - Rear (Yes or )
Yes - Yes
Rear Brake Rotor Diam x Thickness (in)
13.6 x - TBD - - 11.78 x 0.95
Brake Type
Pwr-Assisted - Pwr
Rear Drum Diam x Width (in)
NA - NA
Disc - Front (Yes or )
Yes - Yes
Front Brake Rotor Diam x Thickness (in)
13.7 x - TBD - - 12.52 x 1.10
Drum - Rear (Yes or )
NA - NA
Brake ABS System
4-Wheel - 4-Wheel
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18.5 - 16.9
Steering
Turning Diameter - Curb to Curb (ft)
37.4 - - TBD -
Steering Type
Pwr Variable - Pwr Rack & Pinion
Lock to Lock Turns (Steering)
- TBD - - - TBD -
Turning Diameter - Wall to Wall (ft)
- TBD - - - TBD -
Steering Ratio (:1), Overall
14.4 - - TBD -
Tires
Front Tire Size
P245/45VR18 - P235/40ZR18
Spare Tire Size
NA - NA
Front Tire Order Code
NA - NA
Spare Tire Order Code
NA - NA
Rear Tire Size
P245/45VR18 - P265/40ZR18
Rear Tire Order Code
NA - NA
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs)
- TBD - - - TBD -
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA - - TBD -
Dead Weight Hitch - Max Trailer Wt. (lbs)
- TBD - - - TBD -
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA - - TBD -
Weight Information
Base Curb Weight (lbs)
4277 - 3263
Wheels
Spare Wheel Size (in)
NA - NA
Rear Wheel Material
Aluminum - Aluminum
Rear Wheel Size (in)
18 x 8.0 - 18 x 10
Front Wheel Material
Aluminum - Aluminum
Spare Wheel Material
NA - NA
Front Wheel Size (in)
18 x 8.0 - 18 x 8
Cooling System
Total Cooling System Capacity (qts)
- TBD - - - TBD -
Electrical
Cold Cranking Amps @ 0° F (Primary)
- TBD - - - TBD -
Maximum Alternator Capacity (amps)
170 - NA
Engine
Displacement
4.8L/293 - 3.6L/219
SAE Net Horsepower @ RPM
360 @ 6300 - 345 @ 6800
Engine Type
Gas V8 - Gas Flat 6-cyl
Fuel System
EFI - EFI
SAE Net Torque @ RPM
360 @ 3400 - 288 @ 4250
Engine Order Code
NA - NA
Mileage
EPA Fuel Economy Est - City (MPG)
14 - 18
Fuel Economy Est-Combined (MPG)
16 - NA
EPA Fuel Economy Est - Hwy (MPG)
21 - 26
Transmission
Trans Type
6 - 6
Drivetrain
Rear Wheel Drive - Rear Wheel Drive
Fifth Gear Ratio (:1)
0.87 - 1.08
Trans Description Cont. Again
NA - NA
Reverse Ratio (:1)
3.40 - 3.59
Second Gear Ratio (:1)
2.34 - 2.32
Trans Order Code
2TB - NA
Final Drive Axle Ratio (:1)
3.46 - 3.44
Fourth Gear Ratio (:1)
1.14 - 1.28
Trans Description Cont.
Automatic w/OD - Manual w/OD
Sixth Gear Ratio (:1)
0.69 - 0.88
Seventh Gear Ratio (:1)
NA - NA
First Gear Ratio (:1)
4.17 - 3.91
Clutch Size (in)
NA - 9.45
Third Gear Ratio (:1)
1.52 - 1.61
Summary
Body Style
2 Door Convertible - 2 Door Convertible
Vehicle Name
BMW 6 Series - Porsche 911
Suspension
Stabilizer Bar Diameter - Front (in)
NA - - TBD -
Suspension Type - Rear
Sport - Multi-Link
Suspension Type - Rear (Cont.)
4-Link - w/Coil Springs
Shock Absorber Diameter - Rear (mm)
NA - - TBD -
Suspension Type - Front
Sport - MacPherson Strut
Stabilizer Bar Diameter - Rear (in)
NA - - TBD -
Suspension Type - Front (Cont.)
Double-Pivot - w/Coil Springs
Shock Absorber Diameter - Front (mm)
NA - - TBD -
Emissions
EPA Greenhouse Gas Score
3 - -
Tons/yr of CO2 Emissions @ 15K mi/year
10.4 - 8.9

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