2015 BMW 6-Series vs 2015 Mercedes-Benz CLS Class

2015 BMW 6-Series

2015 Mercedes-Benz CLS Class

Select style

2-Door Conv 640i RWD

Style	MPG City	MPG Hwy	Invoice	MSRP
6 Series 2-Door Conv 640i RWD	20	31	$77,410	$83,600
6 Series 2-Door Conv 640i xDrive AWD	20	29	$80,170	$86,600
6 Series 2-Door Conv 650i RWD	17	25	$87,810	$94,900
6 Series 2-Door Conv 650i xDrive AWD	16	24	$90,570	$97,900
6 Series 2-Door Coupe 640i RWD	21	32	$70,510	$76,100
6 Series 2-Door Coupe 640i xDrive AWD	20	29	$73,270	$79,100
6 Series 2-Door Coupe 650i RWD	17	25	$80,910	$87,400
6 Series 2-Door Coupe 650i xDrive AWD	16	25	$83,670	$90,400
6 Series 4-Door Sedan 640i RWD Gran Coupe	20	31	$72,535	$78,300
6 Series 4-Door Sedan 640i xDrive AWD Gran Coupe	20	29	$75,295	$81,300
6 Series 4-Door Sedan 650i RWD Gran Coupe	17	25	$82,930	$89,600
6 Series 4-Door Sedan 650i xDrive AWD Gran Coupe	16	24	$85,690	$92,600
6 Series 4-Door Sedan ALPINA B6 xDrive AWD Gran Coupe	16	24	$108,415	$117,300
M6 2-Door Conv	14	20	$109,245	$118,200
M6 2-Door Coupe	14	20	$103,450	$111,900
M6 4-Door Gran Coupe	14	20	$106,945	$115,700

Select style

4-Door Sedan CLS 400 4MATIC

Style	MPG City	MPG Hwy	Invoice	MSRP
CLS-Class 4-Door Sedan CLS 400 4MATIC	19	26	$63,696	$68,490
CLS-Class 4-Door Sedan CLS 400 RWD	20	30	$61,371	$65,990
CLS-Class 4-Door Sedan CLS 550 4MATIC	17	24	$70,401	$75,700
CLS-Class 4-Door Sedan CLS 550 RWD	17	26	$68,076	$73,200
CLS-Class 4-Door Sedan CLS 63 AMG S-Model 4MATIC	16	22	$99,092	$106,550

Show Only Differences

Pricing

Invoice Price

$77,410

$63,696

Manufacturer Suggested Retail Price

$83,600

$68,490

Monthly Payment Estimate

$1393 / month

$1142 / month

The Car Connection's Take

TCC Rating

8.4

Read Our Full Review

8.4

Read Our Full Review

TCC’s Bottom Line

Whether chosen as a coupe, convertible, or four-door Gran Coupe, the 2015 BMW 6-Series offers dynamic driving and massive style.

The 2015 Mercedes-Benz CLS-Class looks better than ever, offers upgraded tech and safety, and continues to post impressive performance.

TCC Likes

Stunning acceleration, especially in M6 form
Gran Coupe adds practicality to style
Well-executed convertible top

Fresh design
Potent, capable V-6 and V-8 engines
Incredible handling and performance in AMG trim

TCC Dislikes

Heavy, and feels it
Steering is artificial, but not unforgivable
Head room is a bit tight throughout

Rear-seat head room still tight
High price tag
COMAND is what it is

Fuel Economy

City

20 mpg

19 mpg

Highway

31 mpg

26 mpg

Vehicle

EPA Classification

Subcompact Cars

Compact Cars

Interior Dimensions

Passenger Volume (ft³)

104.3

Front Shoulder Room (in)

56.9

57.1

Second Leg Room (in)

30.5

Passenger Capacity

Front Leg Room (in)

42.1

Second Head Room (in)

36.5

36.1

Second Shoulder Room (in)

49.6

56.5

Front Head Room (in)

40.3

36.9

Front Hip Room (in)

Second Hip Room (in)

57.6

Exterior Dimensions

Min Ground Clearance (in)

4.8

Length, Overall (in)

192.8

194.5

Height, Overall (in)

53.7

55.8

Track Width, Rear (in)

65.2

64.1

Wheelbase (in)

112.4

113.2

Width, Max w/o mirrors (in)

74.6

74.1

Track Width, Front (in)

62.9

Cargo Area Dimensions

Trunk Volume (ft³)

10.6

15.3

Brakes

Front Brake Rotor Diam x Thickness (in)

13.7

12.7

Drum - Rear (Yes or )

Brake ABS System

4-Wheel

Disc - Rear (Yes or )

Yes

Rear Brake Rotor Diam x Thickness (in)

13.6

11.8

Brake Type

4-Wheel Disc

Rear Drum Diam x Width (in)

Disc - Front (Yes or )

Yes

Fuel Tank

Fuel Tank Capacity, Approx (gal)

18.5

21.1

Steering

Turning Diameter - Curb to Curb (ft)

38.4

Steering Type

Rack-Pinion

Tires

Front Tire Size

P245/45VR18

P255/40ZR18

Spare Tire Size

Compact

Front Tire Order Code

Spare Tire Order Code

Rear Tire Size

P245/45VR18

P285/35ZR18

Rear Tire Order Code

Weight Information

Base Curb Weight (lbs)

4255

4365

Wheels

Spare Wheel Size (in)

Compact

Rear Wheel Material

Aluminum

Rear Wheel Size (in)

18 X 8

18 X 9.5

Front Wheel Material

Aluminum

Spare Wheel Material

Steel

Front Wheel Size (in)

18 X 8

18 X 8.5

Electrical

Maximum Alternator Capacity (amps)

210

180

Engine

SAE Net Torque @ RPM

330 @ 1400

354 @ 1600

Engine Order Code

Displacement

3.0 L/182

3.0 L/183

SAE Net Horsepower @ RPM

315 @ 5800

329 @ 5250

Engine Type

Intercooled Turbo Premium Unleaded I-6

Twin Turbo Premium Unleaded V-6

Fuel System

Gasoline Direct Injection

Mileage

Fuel Economy Est-Combined (MPG)

EPA Fuel Economy Est - Hwy (MPG)

EPA Fuel Economy Est - City (MPG)

Transmission

First Gear Ratio (:1)

4.71

4.38

Final Drive Axle Ratio (:1)

3.23

Third Gear Ratio (:1)

2.11

1.92

Trans Type

Seventh Gear Ratio (:1)

0.84

0.73

Drivetrain

Rear Wheel Drive

All Wheel Drive

Fifth Gear Ratio (:1)

1.29

1.00

Trans Description Cont. Again

Reverse Ratio (:1)

3.29

3.42

Second Gear Ratio (:1)

3.14

2.86

Trans Order Code

2TB

Fourth Gear Ratio (:1)

1.67

1.37

Trans Description Cont.

Automatic w/OD

Eighth Gear Ratio (:1)

0.67

Sixth Gear Ratio (:1)

1.00

0.82

Summary

Vehicle Name

BMW 6 Series

Mercedes-Benz CLS-Class

Body Style

Convertible

4MATIC

Suspension

Suspension Type - Front (Cont.)

Double Wishbone

Multi-Link

Suspension Type - Rear

Multi-Link

Suspension Type - Rear (Cont.)

Multi-Link

Suspension Type - Front

Double Wishbone

Multi-Link

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year

7.4

0.1 (Est)

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