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Compare 2014 BMW 6-Series vs 2014 Mercedes-Benz SL Class

2014 BMW 6-Series Change
2014 Mercedes-Benz SL Class Change
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Selected Style 2-Door Coupe 640i RWD
Switch Style

Body Style

Drivetrain

Trim

Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe RWD 640i 22 32 $69,370 $75,400
2-Door Convertible RWD 650i 17 25 $86,665 $94,200
2-Door Coupe AWD 650i xDrive 16 24 $82,525 $89,700
2-Door Convertible AWD 650i xDrive 16 24 $89,425 $97,200
4-Door Sedan RWD Gran Coupe 650i 17 25 $81,790 $88,900
4-Door Sedan AWD Gran Coupe 650i xDrive 16 24 $84,550 $91,900
2-Door Coupe RWD 650i 17 25 $79,765 $86,700
4-Door Sedan RWD Gran Coupe 640i 20 30 $71,390 $77,600
2-Door Convertible RWD 640i 20 30 $76,270 $82,900
4-Door Sedan AWD Gran Coupe 640i xDrive 20 29 $74,150 $80,600
2-Door Coupe AWD 640i xDrive 20 29 $72,130 $78,400
2-Door Convertible AWD 640i xDrive 20 29 $79,030 $85,900
2-Door Roadster SL550
Switch Style

Body Style

Trim

Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster SL550 18 25 $99,231 $106,700
2-Door Roadster SL63 AMG 16 25 $136,989 $147,300
2-Door Roadster SL65 AMG 14 21 $199,485 $214,500
Pricing
Invoice Price
$69,370
Manufacturer Suggested Retail Price
$75,400
Monthly Payment Estimate
$1257 / month
Dealer Price Quotes Get Your Price
The Car Connection's Take
TCC Rating
8.4
/ 10
TCC Rating
How does the
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Our rating also has simple color-coded “Stop” (red), “Caution” (orange),
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
8.2
/ 10
TCC Rating
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Read Our Full Review
TCC's Bottom Line No matter whether it's a coupe, convertible, or Gran Coupe, the 2014 BMW 6-Series covers soft and elegant as well as it does sharp and athletic. The 2014 Mercedes-Benz SL Class feels content as a grand tourer, but it's sportier than you might expect.
TCC Likes
TCC Dislikes
Fuel Economy
Fuel Economy - City 22 mpg 18 mpg
Fuel Economy - Highway 32 mpg 25 mpg
Vehicle
EPA Classification Subcompact Cars Two-Seaters
Interior Dimensions
Second Leg Room (in) 30.5 -
Front Leg Room (in) 42.1 42.9
Passenger Volume (ft³) 87 -
Second Head Room (in) 35.7 -
Second Shoulder Room (in) 49.7 -
Front Head Room (in) 40 39.1
Passenger Capacity 4 2
Front Shoulder Room (in) 56.9 55.5
Front Hip Room (in) - 53.6
Exterior Dimensions
Height, Overall (in) 53.9 51.8
Track Width, Rear (in) 65.6 63
Wheelbase (in) 112.4 101.8
Width, Max w/o mirrors (in) 74.6 73.9
Track Width, Front (in) 63 62.9
Min Ground Clearance (in) 4.9 -
Length, Overall (in) 192.8 181.6
Cargo Area Dimensions
Trunk Volume (ft³) 16.2 8.5
Brakes
Disc - Rear (Yes or ) Yes Yes
Rear Brake Rotor Diam x Thickness (in) 13.6 12.6
Rear Drum Diam x Width (in) NA NA
Disc - Front (Yes or ) Yes Yes
Front Brake Rotor Diam x Thickness (in) 13.7 14.2
Drum - Rear (Yes or ) NA NA
Brake ABS System 4-Wheel 4-Wheel
Fuel Tank
Fuel Tank Capacity, Approx (gal) 18.5 19.8
Steering
Turning Diameter - Curb to Curb (ft) 38.4 36.2
Steering Type Rack-Pinion Rack-Pinion
Tires
Rear Tire Size P245/45VR18 P285/35YR18
Rear Tire Order Code NA NA
Front Tire Size P245/45VR18 P255/40YR18
Spare Tire Size NA NA
Front Tire Order Code NA NA
Spare Tire Order Code NA NA
Weight Information
Base Curb Weight (lbs) 4001 3935
Wheels
Spare Wheel Material NA NA
Front Wheel Size (in) 18 X 8 18 X 8.5
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
Electrical
Maximum Alternator Capacity (amps) 210 -
Engine
Fuel System Direct Gasoline Injection Direct Gasoline Injection
SAE Net Torque @ RPM 332 @ 1400 516 @ 1800
Engine Order Code N55 NA
Displacement 3.0 L/182 4.7 L/285
SAE Net Horsepower @ RPM 315 @ 5800 429 @ 5250
Engine Type Intercooled Turbo Premium Unleaded I-6 Twin Turbo Premium Unleaded V-8
Mileage
EPA Fuel Economy Est - City (MPG) 22 18
Fuel Economy Est-Combined (MPG) 25 20
EPA Fuel Economy Est - Hwy (MPG) 32 25
Transmission
Seventh Gear Ratio (:1) 0.84 0.73
Fourth Gear Ratio (:1) 1.67 1.37
Trans Description Cont. Automatic w/OD Automatic w/OD
Sixth Gear Ratio (:1) 1.00 0.82
First Gear Ratio (:1) 4.71 4.38
Final Drive Axle Ratio (:1) 3.23 2.65
Third Gear Ratio (:1) 2.11 1.92
Trans Type 8 7
Eighth Gear Ratio (:1) 0.67 -
Drivetrain Rear Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1) 1.29 1.00
Trans Description Cont. Again NA NA
Reverse Ratio (:1) 3.30 3.42
Second Gear Ratio (:1) 3.14 2.86
Trans Order Code 2TB 427
Summary
Body Style Coupe Convertible
Vehicle Name BMW 6 Series Mercedes-Benz SL-Class
Suspension
Suspension Type - Rear (Cont.) Multi-Link Multi-Link
Suspension Type - Front Double Wishbone Multi-Link
Suspension Type - Front (Cont.) Double Wishbone Multi-Link
Suspension Type - Rear Multi-Link Multi-Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year 7.2 9.2
 
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