Compare 2017 BMW 6-Series vs 2017 Porsche 911

2017 BMW 6-Series
2017 Porsche 911
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640i Convertible
Style MPG City MPG Hwy Invoice MSRP
6 Series 640i Convertible 20 29 $79,645 $85,100
6 Series 640i Coupe 21 30 $72,670 $77,600
6 Series 640i Gran Coupe 20 29 $74,715 $79,800
6 Series 640i xDrive Convertible 19 28 $82,435 $88,100
6 Series 640i xDrive Coupe 19 28 $75,460 $80,600
6 Series 640i xDrive Gran Coupe 19 28 $77,505 $82,800
6 Series 650i Convertible 17 24 $90,245 $96,500
6 Series 650i Coupe 17 24 $83,270 $89,000
6 Series 650i Gran Coupe 17 24 $85,315 $91,200
6 Series 650i xDrive Convertible 15 24 $93,035 $99,500
6 Series 650i xDrive Coupe 16 24 $86,060 $92,000
6 Series 650i xDrive Gran Coupe 15 24 $88,105 $94,200
6 Series ALPINA B6 xDrive Gran Coupe 15 24 $114,425 $122,500
M6 Convertible 14 20 $112,100 $120,000
M6 Coupe 14 20 $106,240 $113,700
M6 Gran Coupe 14 20 $109,775 $117,500
Select style
Carrera 4 Convertible
Style MPG City MPG Hwy Invoice MSRP
911 Carrera 4 Convertible 19 28 N/A $108,600
911 Carrera 4 Coupe 20 28 N/A $96,300
911 Carrera 4 GTS Convertible 18 26 N/A $138,200
911 Carrera 4 GTS Coupe 18 26 N/A $125,900
911 Carrera 4S Convertible 19 28 N/A $122,600
911 Carrera 4S Coupe 20 28 N/A $110,300
911 Carrera Convertible 20 29 N/A $101,700
911 Carrera Coupe 20 29 N/A $89,400
911 Carrera GTS Convertible 18 26 N/A $131,300
911 Carrera GTS Coupe 18 26 N/A $119,000
911 Carrera S Convertible 20 28 N/A $115,700
911 Carrera S Coupe 20 29 N/A $103,400
911 Targa 4 19 28 N/A $108,600
911 Targa 4 GTS 18 26 N/A $138,200
911 Targa 4S 19 28 N/A $122,600
911 Turbo Convertible 19 24 N/A $171,500
911 Turbo Coupe 19 24 N/A $159,200
911 Turbo S Convertible 19 24 N/A $200,400
911 Turbo S Coupe 19 24 N/A $188,100

Pricing

Invoice Price

$79,645
Coming Soon

Manufacturer Suggested Retail Price

$85,100
$108,600

Monthly Payment Estimate

$1418 / month
$1810 / month

The Car Connection's Take

TCC Rating

6.8
7.8

TCC’s Bottom Line

The 2017 BMW 6-Series is a luxurious jack of all trades (speed, style, comfort, and quality) but a master of one: grand touring. The 2017 Porsche 911 is a toe into the waters of modernity with a base turbo engine that gets good fuel economy. Don't be fooled; it's every bit the super car it always has been.

TCC Likes

TCC Dislikes

Fuel Economy

City

20 mpg 19 mpg

Highway

29 mpg 28 mpg

Vehicle

EPA Classification

Subcompact Cars Minicompact Cars

Interior Dimensions

Passenger Volume (ft³)

89 -

Front Shoulder Room (in)

56.9 -

Second Leg Room (in)

30.5 -

Passenger Capacity

4 4

Front Leg Room (in)

42.1 -

Second Head Room (in)

36.5 -

Second Shoulder Room (in)

49.6 -

Front Head Room (in)

40.3 -

Exterior Dimensions

Min Ground Clearance (in)

4.8 -

Length, Overall (in)

192.8 177.1

Height, Overall (in)

53.7 50.7

Track Width, Rear (in)

65.2 61.3

Wheelbase (in)

112.4 96.5

Width, Max w/o mirrors (in)

74.6 72.9

Track Width, Front (in)

63 60.7

Cargo Area Dimensions

Trunk Volume (ft³)

10.6 -

Brakes

Front Brake Rotor Diam x Thickness (in)

13.7 13

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 13

Brake Type

4-Wheel Disc 4-Wheel Disc

Rear Drum Diam x Width (in)

NA NA

Disc - Front (Yes or )

Yes Yes

Fuel Tank

Fuel Tank Capacity, Approx (gal)

18.5 17.9

Steering

Turning Diameter - Curb to Curb (ft)

38.4 36.7

Steering Type

Rack-Pinion Rack-Pinion

Tires

Front Tire Size

P245/45VR18 P235/40YR19

Spare Tire Size

NA NA

Front Tire Order Code

NA NA

Spare Tire Order Code

NA NA

Rear Tire Size

P245/45VR18 P295/35YR19

Rear Tire Order Code

NA NA

Weight Information

Base Curb Weight (lbs)

4255 3417

Wheels

Spare Wheel Size (in)

NA NA

Rear Wheel Material

Aluminum Forged Aluminum

Rear Wheel Size (in)

18 X 8 19 X 11.5

Front Wheel Material

Aluminum Forged Aluminum

Spare Wheel Material

NA NA

Front Wheel Size (in)

18 X 8 19 X 8.5

Electrical

Maximum Alternator Capacity (amps)

210 175

Cold Cranking Amps @ 0° F (Primary)

- 450

Engine

SAE Net Torque @ RPM

330 @ 1400 331 @ 1700

Engine Order Code

NA NA

Displacement

3.0 L/182 3.0 L/182

SAE Net Horsepower @ RPM

315 @ 5800 370 @ 6500

Engine Type

Intercooled Turbo Premium Unleaded I-6 Twin Turbo Premium Unleaded H-6

Fuel System

Gasoline Direct Injection Gasoline Direct Injection

Mileage

Fuel Economy Est-Combined (MPG)

23 22

EPA Fuel Economy Est - Hwy (MPG)

29 28

EPA Fuel Economy Est - City (MPG)

20 19

Transmission

First Gear Ratio (:1)

4.71 3.91

Final Drive Axle Ratio (:1)

3.23 3.09

Third Gear Ratio (:1)

2.11 1.58

Trans Type

8 7

Seventh Gear Ratio (:1)

0.84 0.62

Drivetrain

Rear Wheel Drive All Wheel Drive

Fifth Gear Ratio (:1)

1.28 0.94

Trans Description Cont. Again

NA NA

Reverse Ratio (:1)

3.29 3.55

Second Gear Ratio (:1)

3.14 2.29

Trans Order Code

2TB 487

Fourth Gear Ratio (:1)

1.67 1.18

Trans Description Cont.

Automatic w/OD Manual w/OD

Eighth Gear Ratio (:1)

0.67 -

Sixth Gear Ratio (:1)

1.00 0.79

Summary

Vehicle Name

BMW 6 Series Porsche 911

Body Style

Convertible Cabriolet

Suspension

Suspension Type - Front (Cont.)

Double Wishbone Strut

Suspension Type - Rear

Multi-Link Multi-Link

Suspension Type - Rear (Cont.)

Multi-Link Multi-Link

Suspension Type - Front

Double Wishbone Strut

Emissions

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

7.6 8.0

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