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

2009 BMW 6-Series
2009 Mercedes-Benz SL Class
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2-Door Conv 650i
Style MPG City MPG Hwy Invoice MSRP
6 Series 2-Door Conv 650i 14 21 $78,475 $85,300
6 Series 2-Door Coupe 650i 15 22 $71,945 $78,200
M6 2-Door Conv 11 17 $99,270 $107,900
M6 2-Door Coupe 11 17 $93,930 $102,100
Select style
2-Door Coupe 6.0L AMG Black Series
Style MPG City MPG Hwy Invoice MSRP
SL-Class 2-Door Coupe 6.0L AMG Black Series 11 18 $278,070 $299,000
SL-Class 2-Door Roadster 5.5L V12 11 18 $129,363 $139,100
SL-Class 2-Door Roadster 5.5L V8 13 21 $91,605 $98,500
SL-Class 2-Door Roadster 6.0L AMG 11 18 $181,071 $194,700
SL-Class 2-Door Roadster 6.2L AMG 12 19 $125,550 $135,000
Pricing
Invoice Price
$78,475
$278,070
Manufacturer Suggested Retail Price
$85,300
$299,000
Monthly Payment Estimate
$1422 / month
$4983 / month
The Car Connection's Take
TCC Rating
8.6
8.4
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.
TCC Likes
TCC Dislikes
Fuel Economy
City
14 mpg 11 mpg
Highway
21 mpg 18 mpg
Vehicle
EPA Classification
Subcompact 2 Seater
Interior Dimensions
Front Hip Room (in)
- TBD - 56.9
Passenger Volume (ft³)
82.0 50.0
Second Leg Room (in)
29.0 -
Front Head Room (in)
37.8 37.7
Second Hip Room (in)
- TBD - -
Front Shoulder Room (in)
56.4 54.0
Passenger Capacity
4 2
Second Head Room (in)
36.5 -
Second Shoulder Room (in)
49.4 -
Front Leg Room (in)
42.0 42.9
Exterior Dimensions
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
73.0 - TBD -
Track Width, Front (in)
61.3 61.8
Min Ground Clearance (in)
- TBD - - TBD -
Length, Overall (in)
190.2 180.8
Height, Overall (in)
54.1 51.1
Track Width, Rear (in)
62.8 61.4
Wheelbase (in)
109.4 100.8
Cargo Area Dimensions
Trunk Volume (ft³)
10.6-12.4 15.9 (7.2 w/top down)
Brakes
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 - 15.4 x 1.4
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
13.6 x - TBD - 14.2 x 1.0
Brake Type
Pwr-Assisted Pwr
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18.5 21.1
Steering
Lock to Lock Turns (Steering)
- TBD - 2.6
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Steering Ratio (:1), Overall
14.4 - TBD -
Turning Diameter - Curb to Curb (ft)
37.4 36.2
Steering Type
Pwr Variable Pwr Rack & Pinion
Tires
Rear Tire Size
P245/45VR18 P325/30ZR20
Rear Tire Order Code
NA NA
Front Tire Size
P245/45VR18 P265/35ZR19
Spare Tire Size
NA Compact
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs)
- TBD - - TBD -
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA NA
Dead Weight Hitch - Max Trailer Wt. (lbs)
- TBD - - TBD -
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA NA
Weight Information
Base Curb Weight (lbs)
4277 4345
Wheels
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
NA - TBD -
Front Wheel Size (in)
18 x 8.0 19 x 9.5
Spare Wheel Size (in)
NA - TBD -
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
18 x 8.0 20 x 11.5
Cooling System
Total Cooling System Capacity (qts)
- TBD - - TBD -
Electrical
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Maximum Alternator Capacity (amps)
170 - TBD -
Engine
Displacement
4.8L/293 6.0L/- TBD -
SAE Net Horsepower @ RPM
360 @ 6300 661 @ 5400
Engine Type
Gas V8 Bi-Turbocharged Gas V12
Fuel System
EFI SMPI
SAE Net Torque @ RPM
360 @ 3400 738 @ 2200-4200
Engine Order Code
NA NA
Mileage
EPA Fuel Economy Est - Hwy (MPG)
21 18 (Est)
EPA Fuel Economy Est - City (MPG)
14 11 (Est)
Fuel Economy Est-Combined (MPG)
16 14 (Est)
Transmission
Clutch Size (in)
- TBD - NA
Third Gear Ratio (:1)
1.58 1.41
Trans Type
6 5
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1)
1.00 0.83
Seventh Gear Ratio (:1)
NA NA
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
3.77 3.16
Second Gear Ratio (:1)
2.40 2.19
Trans Order Code
NA NA
Final Drive Axle Ratio (:1)
3.46 - TBD -
Fourth Gear Ratio (:1)
1.19 1.00
Trans Description Cont.
Manual w/OD Automatic w/OD
Sixth Gear Ratio (:1)
0.87 NA
First Gear Ratio (:1)
4.06 3.60
Summary
Vehicle Name
BMW 6 Series Mercedes-Benz SL-Class
Body Style
2 Door Convertible 2 Door Convertible
Suspension
Shock Absorber Diameter - Rear (mm)
NA - TBD -
Suspension Type - Front
Sport Independent
Stabilizer Bar Diameter - Rear (in)
NA - TBD -
Suspension Type - Front (Cont.)
Double-Pivot 4-Link
Shock Absorber Diameter - Front (mm)
NA - TBD -
Stabilizer Bar Diameter - Front (in)
NA - TBD -
Suspension Type - Rear
Sport Independent
Suspension Type - Rear (Cont.)
4-Link 5-Arm Multi-Link
Emissions
EPA Greenhouse Gas Score
3 1 (Est)

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