Compare 2008 BMW 6-Series vs 2008 Mercedes-Benz SL Class

2008 BMW 6-Series
2008 Mercedes-Benz SL Class
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2-Door Coupe 650i
Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe 650i 15 22 $70,470 $76,600
2-Door Convertible 650i 14 21 $77,005 $83,700
2-Door Coupe M6 11 17 $92,275 $100,300
2-Door Convertible M6 11 17 $97,610 $106,100
Select style
2-Door Roadster 5.5L V8
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster 5.5L V8 14 21 $88,629 $95,300
2-Door Roadster 5.5L AMG 12 17 $120,249 $129,300
2-Door Roadster 5.5L V12 11 18 $123,876 $133,200
2-Door Roadster 6.0L AMG 11 18 $174,096 $187,200
Pricing
Invoice Price
$70,470
$88,629
Manufacturer Suggested Retail Price
$76,600
$95,300
Monthly Payment Estimate
$1277 / month
$1588 / month
The Car Connection's Take
TCC Rating
8.6
8.4
TCC’s Bottom Line
The 2008 BMW 6-Series is overwrought and overstocked with technology that distracts even from the M6’s heroic performance. Think of the 2008 Mercedes-Benz SL-Class as a big, luxurious grand tourer with a little bit of sportscar soul, and you're on the right track.
TCC Likes
TCC Dislikes
Fuel Economy
City
15 mpg 14 mpg
Highway
22 mpg 21 mpg
Vehicle
EPA Classification
Subcompact 2 Seater
Interior Dimensions
Passenger Capacity
4 2
Second Shoulder Room (in)
49.4 -
Front Leg Room (in)
42.0 42.9
Front Hip Room (in)
- TBD - - TBD -
Second Leg Room (in)
30.1 -
Front Head Room (in)
37.6 37.7
Passenger Volume (ft³)
81.0 57.8
Second Hip Room (in)
- TBD - -
Front Shoulder Room (in)
56.4 54.0
Second Head Room (in)
35.6 -
Exterior Dimensions
Height, Overall (in)
54.1 51.0
Track Width, Rear (in)
62.8 60.5
Wheelbase (in)
109.4 100.8
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
73.0 80.0
Track Width, Front (in)
61.3 61.4
Min Ground Clearance (in)
- TBD - - TBD -
Length, Overall (in)
190.2 178.5
Cargo Area Dimensions
Trunk Volume (ft³)
13.0 10.2 (7.2 w/top down)
Brakes
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
13.6 x - TBD - 11.8 x - TBD -
Brake Type
Pwr-Assisted Power
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 - 13.0 x - TBD -
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18.5 21.1
Steering
Turning Diameter - Curb to Curb (ft)
37.4 36.2
Steering Type
Pwr Variable Pwr Rack-&-pinion
Lock to Lock Turns (Steering)
14.4 2.6
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Steering Ratio (:1), Overall
14.4 - TBD -
Tires
Spare Tire Size
NA Compact
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P245/45VR18 P285/35R18
Rear Tire Order Code
NA NA
Front Tire Size
P245/45VR18 P255/40R18
Trailering
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA NA
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 -
Weight Information
Base Curb Weight (lbs)
3814 4220
Wheels
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
18 x 8.0 18 x 9.5
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
NA - TBD -
Front Wheel Size (in)
18 x 8.0 18 x 8.5
Spare Wheel Size (in)
NA - TBD -
Cooling System
Total Cooling System Capacity (qts)
- TBD - - TBD -
Electrical
Maximum Alternator Capacity (amps)
170 - TBD -
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Engine
Fuel System
EFI SMPI
SAE Net Torque @ RPM
360 @ 3400 391 @ 2800-4800
Engine Order Code
NA NA
Displacement
4.8L/293 5.5L/333
SAE Net Horsepower @ RPM
360 @ 6300 382 @ 6000
Engine Type
Gas V8 Gas V8
Mileage
EPA Fuel Economy Est - Hwy (MPG)
22 21
EPA Fuel Economy Est - City (MPG)
15 14
Transmission
Final Drive Axle Ratio (:1)
3.46 2.65
Fourth Gear Ratio (:1)
1.19 - TBD -
Trans Description Cont.
Manual w/OD Automatic w/OD
Sixth Gear Ratio (:1)
0.87 - TBD -
First Gear Ratio (:1)
4.06 - TBD -
Clutch Size (in)
- TBD - NA
Third Gear Ratio (:1)
1.58 - TBD -
Trans Type
6 7
Fifth Gear Ratio (:1)
1.00 - TBD -
Seventh Gear Ratio (:1)
NA - TBD -
Trans Description Cont. Again
NA NA
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Reverse Ratio (:1)
3.77 - TBD -
Second Gear Ratio (:1)
2.40 - TBD -
Trans Order Code
NA NA
Summary
Body Style
2 Door Coupe 2 Door Convertible
Vehicle Name
BMW 6 Series Mercedes-Benz SL-Class
Suspension
Suspension Type - Rear
Sport Independent
Suspension Type - Rear (Cont.)
4-Link Multi-link
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
Sport Independent
Stabilizer Bar Diameter - Rear (in)
- TBD - - TBD -
Suspension Type - Front (Cont.)
Double-Pivot 4-Link
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
- TBD - - TBD -

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