Compare 2009 BMW 6-Series vs 2009 Mercedes-Benz SL Class vs 2009 Porsche 911

2009 BMW 6-Series
X
2009 Mercedes-Benz SL Class
X
2009 Porsche 911
X
Select style
2-Door Coupe 650i
Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe 650i 15 22 $71,945 $78,200
2-Door Convertible 650i 14 21 $78,475 $85,300
2-Door Coupe 11 17 $93,930 $102,100
2-Door Convertible 11 17 $99,270 $107,900
Select style
2-Door Roadster 5.5L V8
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster 5.5L V8 13 21 $91,605 $98,500
2-Door Roadster 6.2L AMG 12 19 $125,550 $135,000
2-Door Roadster 5.5L V12 11 18 $129,363 $139,100
2-Door Roadster 6.0L AMG 11 18 $181,071 $194,700
2-Door Coupe 6.0L AMG Black Series 11 18 $278,070 $299,000
Select style
2-Door Coupe Carrera
Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe Carrera 18 26 $68,490 $76,300
2-Door Coupe Carrera 4 17 25 $74,070 $82,500
2-Door Cabriolet Carrera 18 26 $78,120 $87,000
2-Door Coupe Carrera S 17 25 $78,120 $87,000
2-Door Targa 4 17 25 $81,180 $90,400
2-Door Cabriolet Carrera 4 17 25 $83,700 $93,200
2-Door Coupe Carrera 4S 17 23 $83,700 $93,200
2-Door Cabriolet Carrera S 17 25 $87,750 $97,700
2-Door Targa 4S 17 23 $90,180 $101,100
2-Door Cabriolet Carrera 4S 17 23 $93,330 $103,900
2-Door Coupe Turbo 16 23 $116,820 $130,000
2-Door Cabriolet Turbo 15 24 $126,450 $140,700
Pricing
Invoice Price
$71,945
$91,605
$68,490
Manufacturer Suggested Retail Price
$78,200
$98,500
$76,300
Monthly Payment Estimate
$1303 / month
$1642 / month
$1272 / month
The Car Connection's Take
TCC Rating
8.6
8.4
9.2
TCC’s Bottom Line
The technological burden the 2009 BMW 6-Series carries is a distraction from the car’s Herculean performance. The SL’s new look isn’t to everyone’s liking, but in AMG guise, it’s now more punch than paunch—and a worthy stealth Ferrari-chaser. The 2009 Porsche 911 is in a class of its own, and if you have your heart set on one, there's very little else to compare it to.
TCC Likes
TCC Dislikes
Fuel Economy
City
15 mpg 13 mpg 18 mpg
Highway
22 mpg 21 mpg 26 mpg
Vehicle
EPA Classification
Subcompact 2 Seater Mini-Compact
Interior Dimensions
Front Leg Room (in)
42.0 42.9 - TBD -
Front Hip Room (in)
- TBD - 56.9 - TBD -
Passenger Volume (ft³)
81.0 50.0 - TBD -
Second Leg Room (in)
30.1 - - TBD -
Front Head Room (in)
37.6 37.7 - TBD -
Second Hip Room (in)
- TBD - - - TBD -
Front Shoulder Room (in)
56.4 54.0 - TBD -
Passenger Capacity
4 2 4
Second Head Room (in)
35.6 - - TBD -
Second Shoulder Room (in)
49.4 - - TBD -
Exterior Dimensions
Track Width, Rear (in)
62.8 60.5 60.4
Wheelbase (in)
109.4 100.8 92.5
Liftover Height (in)
- TBD - - TBD - - TBD -
Width, Max w/o mirrors (in)
73.0 - TBD - 71.2
Track Width, Front (in)
61.3 61.4 58.5
Min Ground Clearance (in)
- TBD - - TBD - - TBD -
Length, Overall (in)
190.2 180.4 175.6
Height, Overall (in)
54.1 51.1 51.6
Cargo Area Dimensions
Trunk Volume (ft³)
13.0 10.2 (7.2 w/top down) 4.8
Brakes
Rear Brake Rotor Diam x Thickness (in)
13.6 x - TBD - 11.8 x 0.4 11.78 x 0.95
Brake Type
Pwr-Assisted 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)
13.7 x - TBD - 13.0 x 1.1 12.52 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
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18.5 21.1 16.9
Steering
Steering Type
Pwr Variable Pwr Rack & Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering)
- TBD - 2.6 - TBD -
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD - - TBD -
Steering Ratio (:1), Overall
14.4 - TBD - - TBD -
Turning Diameter - Curb to Curb (ft)
37.4 36.2 - TBD -
Tires
Spare Tire Order Code
NA NA NA
Rear Tire Size
P245/45VR18 P285/35WR18 P265/40ZR18
Rear Tire Order Code
NA NA NA
Front Tire Size
P245/45VR18 P255/40ZR18 P235/40ZR18
Spare Tire Size
NA Compact NA
Front Tire Order Code
NA NA NA
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs)
- TBD - - TBD - - TBD -
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA NA - TBD -
Dead Weight Hitch - Max Trailer Wt. (lbs)
- TBD - - TBD - - TBD -
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA NA - TBD -
Weight Information
Base Curb Weight (lbs)
3814 4220 3075
Wheels
Rear Wheel Size (in)
18 x 8.0 18 x 9.5 18 x 10
Front Wheel Material
Aluminum Aluminum Aluminum
Spare Wheel Material
NA - TBD - NA
Front Wheel Size (in)
18 x 8.0 18 x 8.5 18 x 8
Spare Wheel Size (in)
NA - TBD - NA
Rear Wheel Material
Aluminum Aluminum Aluminum
Cooling System
Total Cooling System Capacity (qts)
- TBD - - TBD - - TBD -
Electrical
Maximum Alternator Capacity (amps)
170 - TBD - NA
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD - - TBD -
Engine
SAE Net Torque @ RPM
360 @ 3400 391 @ 2800-4000 288 @ 4250
Engine Order Code
NA NA NA
Displacement
4.8L/293 5.5L/333 3.6L/219
SAE Net Horsepower @ RPM
360 @ 6300 382 @ 6000 345 @ 6800
Engine Type
Gas V8 Gas V8 Gas Flat 6-cyl
Fuel System
EFI SFI EFI
Mileage
Fuel Economy Est-Combined (MPG)
18 16 - TBD -
EPA Fuel Economy Est - Hwy (MPG)
22 21 26
EPA Fuel Economy Est - City (MPG)
15 13 18
Transmission
Sixth Gear Ratio (:1)
0.87 0.82 0.88
First Gear Ratio (:1)
4.06 4.38 3.91
Clutch Size (in)
- TBD - NA 9.45
Third Gear Ratio (:1)
1.58 1.92 1.61
Trans Type
6 7 6
Drivetrain
Rear Wheel Drive Rear Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1)
1.00 1.00 1.08
Seventh Gear Ratio (:1)
NA 0.73 NA
Trans Description Cont. Again
NA NA NA
Reverse Ratio (:1)
3.77 3.42 (R2 2.23) 3.59
Second Gear Ratio (:1)
2.40 2.86 2.32
Trans Order Code
NA NA NA
Final Drive Axle Ratio (:1)
3.46 - TBD - 3.44
Fourth Gear Ratio (:1)
1.19 1.37 1.28
Trans Description Cont.
Manual w/OD Automatic w/OD Manual w/OD
Summary
Vehicle Name
BMW 6 Series Mercedes-Benz SL-Class Porsche 911
Body Style
2 Door Coupe 2 Door Convertible 2 Door Coupe
Suspension
Suspension Type - Rear (Cont.)
4-Link 5-Arm Multi-Link w/Coil Springs
Shock Absorber Diameter - Rear (mm)
NA - TBD - - TBD -
Suspension Type - Front
Sport Independent MacPherson Strut
Stabilizer Bar Diameter - Rear (in)
NA - TBD - - TBD -
Suspension Type - Front (Cont.)
Double-Pivot 4-Link w/Coil Springs
Shock Absorber Diameter - Front (mm)
NA - TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
NA - TBD - - TBD -
Suspension Type - Rear
Sport Independent Multi-Link
Emissions
EPA Greenhouse Gas Score
4 3 -

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