Compare 2013 BMW 6-Series vs 2013 Mercedes-Benz SL Class

2013 BMW 6-Series
2013 Mercedes-Benz SL Class
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2-Door Coupe 640i
Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe 640i 23 33 $68,910 $74,900
4-Door Sedan Gran Coupe 640i 20 30 $70,380 $76,500
2-Door Convertible 640i 20 30 $75,810 $82,400
2-Door Coupe 650i 17 25 $79,305 $86,200
4-Door Sedan Gran Coupe 650i 17 25 $80,225 $87,200
2-Door Coupe 650i xDrive 16 24 $82,065 $89,200
4-Door Sedan Gran Coupe 650i xDrive 16 24 $82,985 $90,200
2-Door Convertible 650i 17 25 $86,205 $93,700
2-Door Convertible 650i xDrive 16 24 $88,965 $96,700
Select style
2-Door Roadster SL 550
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster SL 550 17 25 $98,115 $105,500
2-Door Roadster SL 63 AMG 16 25 $135,594 $145,800
2-Door Roadster SL 65 AMG 14 21 $197,383 $212,240
Pricing
Invoice Price
$68,910
$98,115
Manufacturer Suggested Retail Price
$74,900
$105,500
Monthly Payment Estimate
$1248 / month
$1758 / month
The Car Connection's Take
TCC Rating
8.8
8.4
TCC’s Bottom Line
With the addition of a new four-door Gran Coupe and M6 Coupe, the 6-Series lineup covers the full range of personal luxury, from soft and elegant to sharp and athletic. The 2013 Mercedes-Benz SL Class toughens up its image and its handling, but still feels more content as a grand touring grand dame.
TCC Likes
TCC Dislikes
Fuel Economy
City
23 mpg 17 mpg
Highway
33 mpg 25 mpg
Vehicle
EPA Classification
Compact Cars 2 Seater
Interior Dimensions
Front Shoulder Room (in)
56.900 55.5
Passenger Volume (ft³)
87.000 50.5
Second Head Room (in)
35.700 -
Second Shoulder Room (in)
49.700 -
Front Leg Room (in)
42.100 42.9
Passenger Capacity
4 2
Front Hip Room (in)
- TBD - - TBD -
Second Leg Room (in)
30.500 -
Front Head Room (in)
40.000 39.1
Second Hip Room (in)
- TBD - -
Exterior Dimensions
Min Ground Clearance (in)
- TBD - 3.8
Length, Overall (in)
192.800 181.8
Height, Overall (in)
53.900 51.8
Track Width, Rear (in)
65.000 63.0
Wheelbase (in)
112.400 101.8
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
74.600 73.9
Track Width, Front (in)
62.800 62.9
Cargo Area Dimensions
Trunk Volume (ft³)
16.240 13.5/8.5
Brakes
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)
13.600 x 0.900 12.6 x 0.9
Brake Type
Pwr Pwr
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
13.700 x 1.200 13.5 x 1.3
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18.500 19.8
Steering
Steering Ratio (:1), Overall
17.200 16.3
Turning Diameter - Curb to Curb (ft)
38.400 36.2
Steering Type
Pwr Rack and Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering)
- TBD - 2.6
Turning Diameter - Wall to Wall (ft)
- TBD - N/A
Tires
Front Tire Size
P245/45R18 P255/40R18
Spare Tire Size
NA NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P245/45R18 P285/35R18
Rear Tire Order Code
NA NA
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs)
NA NA
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA NA
Dead Weight Hitch - Max Trailer Wt. (lbs)
NA NA
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA NA
Weight Information
Base Curb Weight (lbs)
4001 4001
Wheels
Spare Wheel Size (in)
NA NA
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
18 x 8 18 x 9.5
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
18 x 8 18 x 8.5
Cooling System
Total Cooling System Capacity (qts)
10.800 - TBD -
Electrical
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Maximum Alternator Capacity (amps)
210 - TBD -
Engine
Displacement
3.0L/182 4.6L/285
SAE Net Horsepower @ RPM
315 @ 5800-6000 429 @ 5250
Engine Type
Turbocharged Gas I6 Turbocharged Gas V8
Fuel System
Direct Injection Direct Injection
SAE Net Torque @ RPM
332 @ 1400-4500 516 @ 1800 - 3500
Engine Order Code
NA NA
Mileage
EPA Fuel Economy Est - Hwy (MPG)
33 25
EPA Fuel Economy Est - City (MPG)
23 17
Fuel Economy Est-Combined (MPG)
26 20
Transmission
Clutch Size (in)
NA NA
Third Gear Ratio (:1)
2.110 1.92
Trans Type
8 7
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1)
1.290 1.00
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
3.300 3.42/2.23
Eighth Gear Ratio (:1)
0.670 -
Second Gear Ratio (:1)
3.140 2.86
Trans Order Code
2TB NA
Final Drive Axle Ratio (:1)
3.230 2.65
Fourth Gear Ratio (:1)
1.670 1.37
Trans Description Cont.
Automatic w/Manual Shift Automatic w/Manual Shift
Sixth Gear Ratio (:1)
1.000 0.82
Seventh Gear Ratio (:1)
0.840 0.73
First Gear Ratio (:1)
4.710 4.38
Summary
Vehicle Name
BMW 6 Series Mercedes-Benz SL-Class
Body Style
Coupe Convertible
Suspension
Shock Absorber Diameter - Front (mm)
NA N/A
Stabilizer Bar Diameter - Front (in)
- TBD - - TBD -
Suspension Type - Rear
Multi-link Multi-Link
Suspension Type - Rear (Cont.)
NA w/Coil Springs
Shock Absorber Diameter - Rear (mm)
NA N/A
Suspension Type - Front
Double Wishbone Multi-Link
Stabilizer Bar Diameter - Rear (in)
- TBD - - TBD -
Suspension Type - Front (Cont.)
NA w/Coil Springs
Emissions
EPA Greenhouse Gas Score
7 5
Tons/yr of CO2 Emissions @ 15K mi/year
6.1 9.0

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