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

2008 BMW 6-Series Change
2008 Mercedes-Benz SL Class Change
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Selected Style 2-Door Coupe 650i
Switch Style

Body Style

Trim

Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe M6 11 17 $92,275 $100,300
2-Door Convertible M6 11 17 $97,610 $106,100
2-Door Coupe 650i 15 22 $70,470 $76,600
2-Door Convertible 650i 14 21 $77,005 $83,700
2-Door Roadster 5.5L V8
Switch Style

Body Style

Engine

Trim

Other

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
Dealer Price Quotes
The Car Connection's Take
TCC Rating
8.6
/ 10
TCC Rating
How does the
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or “Go” (green) messages along with the numerical score so you can easily understand where we stand at a glance.

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Learn more about how we rate and review cars here.

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Read Our Full Review
8.4
/ 10
TCC Rating
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Read Our Full Review
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
Fuel Economy - City 15 mpg 14 mpg
Fuel Economy - Highway 22 mpg 21 mpg
Vehicle
EPA Classification Subcompact 2 Seater
Interior Dimensions
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 -
Passenger Capacity 4 2
Second Shoulder Room (in) 49.4 -
Front Leg Room (in) 42.0 42.9
Front Hip Room (in) - TBD - - TBD -
Exterior Dimensions
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
Height, Overall (in) 54.1 51.0
Track Width, Rear (in) 62.8 60.5
Wheelbase (in) 109.4 100.8
Cargo Area Dimensions
Trunk Volume (ft³) 13.0 10.2 (7.2 w/top down)
Brakes
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
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
Fuel Tank
Fuel Tank Capacity, Approx (gal) 18.5 21.1
Steering
Lock to Lock Turns (Steering) 14.4 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 P285/35R18
Rear Tire Order Code NA NA
Front Tire Size P245/45VR18 P255/40R18
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) 3814 4220
Wheels
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 -
Rear Wheel Material Aluminum Aluminum
Rear Wheel Size (in) 18 x 8.0 18 x 9.5
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 5.5L/333
SAE Net Horsepower @ RPM 360 @ 6300 382 @ 6000
Engine Type Gas V8 Gas V8
Fuel System EFI SMPI
SAE Net Torque @ RPM 360 @ 3400 391 @ 2800-4800
Engine Order Code NA NA
Mileage
EPA Fuel Economy Est - City (MPG) 15 14
EPA Fuel Economy Est - Hwy (MPG) 22 21
Transmission
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
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 -
Summary
Vehicle Name BMW 6 Series Mercedes-Benz SL-Class
Body Style 2 Door Coupe 2 Door Convertible
Suspension
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 -
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
 
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