Compare 2017 BMW 4-Series vs 2017 Mercedes-Benz C Class vs 2017 Porsche 718

2017 BMW 4-Series
X
2017 Mercedes-Benz C Class
X
2017 Porsche 718
X
Select style
430i Convertible SULEV
Style MPG City MPG Hwy Invoice MSRP
4 Series 430i Convertible SULEV 23 34 $47,280 $50,300
4 Series 430i Coupe SULEV 23 34 $39,700 $42,150
4 Series 430i Gran Coupe SULEV 23 34 $39,515 $41,950
4 Series 430i xDrive Convertible SULEV 22 32 $49,140 $52,300
4 Series 430i xDrive Coupe SULEV 23 33 $41,560 $44,150
4 Series 430i xDrive Gran Coupe SULEV 23 33 $41,375 $43,950
4 Series 440i Convertible 21 29 $53,790 $57,300
4 Series 440i Coupe 21 32 $45,605 $48,500
4 Series 440i Gran Coupe 21 32 $45,420 $48,300
4 Series 440i xDrive Convertible 20 30 $55,650 $59,300
4 Series 440i xDrive Coupe 21 31 $47,465 $50,500
4 Series 440i xDrive Gran Coupe 21 31 $47,280 $50,300
M4 Convertible 17 26 $69,970 $74,700
Select style
AMG C 43 4MATIC Convertible
Style MPG City MPG Hwy Invoice MSRP
C-Class AMG C 43 4MATIC Convertible 19 26 $56,172 $60,400
C-Class AMG C 43 4MATIC Coupe 20 28 $51,615 $55,500
C-Class AMG C 43 4MATIC Sedan 20 28 $48,360 $52,000
C-Class AMG C 63 Convertible 17 22 $67,751 $72,850
C-Class AMG C 63 Coupe 17 23 $62,310 $67,000
C-Class AMG C 63 S Convertible 17 22 $75,191 $80,850
C-Class AMG C 63 S Coupe 17 23 $69,750 $75,000
C-Class AMG C 63 S Sedan 18 24 $67,704 $72,800
C-Class AMG C 63 Sedan 18 25 $60,636 $65,200
C-Class C 300 4MATIC Convertible 22 29 $49,197 $52,900
C-Class C 300 4MATIC Coupe 23 29 $41,525 $44,650
C-Class C 300 4MATIC Sedan 24 31 $38,595 $41,500
C-Class C 300 4MATIC Sedan with Luxury Pkg 24 31 $38,595 $41,500
C-Class C 300 4MATIC Sedan with Sport Pkg 24 31 $38,595 $41,500
C-Class C 300 Convertible 23 31 $47,337 $50,900
C-Class C 300 Coupe 23 30 $39,665 $42,650
C-Class C 300 Sedan 24 34 $36,735 $39,500
C-Class C 300 Sedan with Luxury Pkg 24 34 $36,735 $39,500
C-Class C 300 Sedan with Sport Pkg 24 34 $36,735 $39,500
C-Class C 350e Sedan N/A N/A $42,827 $46,050
C-Class C 350e Sedan with Luxury Pkg N/A N/A $42,827 $46,050
Select style
Roadster
Style MPG City MPG Hwy Invoice MSRP
718 Boxster Roadster 21 28 N/A $56,000
718 Boxster S Roadster 20 26 N/A $68,400
718 Cayman Coupe 21 28 N/A $53,900
718 Cayman S Coupe 20 26 N/A $66,300
Pricing
Invoice Price
$47,280
$56,172
N/A
Manufacturer Suggested Retail Price
$50,300
$60,400
$56,000
Monthly Payment Estimate
$838 / month
$1007 / month
$933 / month
The Car Connection's Take
TCC Rating
6.6
7.5
8.2
TCC’s Bottom Line
The 2017 BMW M4 is a near-perfect performance coupe that can be hugely rewarding to competent drivers. The 2017 Mercedes-Benz C-Class adds to the impressive roster with a convertible version this year and a newly minted AMG C43 version. Bavaria is even better now. The 2017 Porsche 718 Boxster and Cayman remains some of our favorite performance cars; they're thrilling to drive, and in base form they're exceptional sports car value, too.
TCC Likes
TCC Dislikes
Fuel Economy
City
23 mpg 19 mpg 21 mpg
Highway
34 mpg 26 mpg 28 mpg
Vehicle
EPA Classification
Subcompact Cars Compact Cars Two-Seaters
Interior Dimensions
Passenger Capacity
4 4 2
Front Leg Room (in)
42.2 42 -
Second Head Room (in)
37.1 35.6 -
Second Shoulder Room (in)
49.8 51.7 -
Front Head Room (in)
40.4 38.8 -
Front Shoulder Room (in)
55.3 54.8 -
Second Leg Room (in)
33.1 32 -
Exterior Dimensions
Track Width, Rear (in)
62.8 61.2 60.3
Wheelbase (in)
110.6 111.8 97.4
Width, Max w/o mirrors (in)
71.9 71.3 70.9
Track Width, Front (in)
60.8 62.1 59.6
Length, Overall (in)
182.6 184.9 172.4
Height, Overall (in)
54.5 55.4 50.4
Cargo Area Dimensions
Trunk Volume (ft³)
7.8 8.8 9.7
Brakes
Disc - Rear (Yes or )
Yes Yes Yes
Rear Brake Rotor Diam x Thickness (in)
11.8 12.6 11.8
Brake Type
4-Wheel Disc 4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA NA
Disc - Front (Yes or )
Yes Yes Yes
Front Brake Rotor Diam x Thickness (in)
13 14.2 13
Drum - Rear (Yes or )
NA NA NA
Brake ABS System
4-Wheel 4-Wheel 4-Wheel
Fuel Tank
Fuel Tank Capacity, Approx (gal)
15.8 17.4 14.3
Steering
Steering Type
Rack-Pinion Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
37.1 36.8 36
Tires
Spare Tire Order Code
NA NA NA
Rear Tire Size
P225/45VR18 P245/40HR18 P265/45ZR18
Rear Tire Order Code
NA R02-D NA
Front Tire Size
P225/45VR18 P225/45HR18 P235/45ZR18
Spare Tire Size
NA Compact NA
Front Tire Order Code
NA R02-D NA
Weight Information
Base Curb Weight (lbs)
3995 4145 2944
Wheels
Rear Wheel Size (in)
18 X 8 18 X 8.5 18 X 9.5
Front Wheel Material
Aluminum Aluminum Aluminum
Spare Wheel Material
NA Steel NA
Front Wheel Size (in)
18 X 8 18 X 7.5 18 X 8
Spare Wheel Size (in)
NA Compact NA
Rear Wheel Material
Aluminum Aluminum Aluminum
Electrical
Cold Cranking Amps @ 0° F (Primary)
900 - -
Maximum Alternator Capacity (amps)
170 180 -
Engine
SAE Net Torque @ RPM
258 @ 1450 384 @ 2000 280 @ 1950
Engine Order Code
NA NA NA
Displacement
2.0 L/122 3.0 L/183 2.0 L/121
SAE Net Horsepower @ RPM
248 @ 5200 362 @ 5500 300 @ 6500
Engine Type
Intercooled Turbo Premium Unleaded I-4 Twin Turbo Premium Unleaded V-6 Intercooled Turbo Premium Unleaded H-4
Fuel System
Gasoline Direct Injection Gasoline Direct Injection Gasoline Direct Injection
Mileage
Fuel Economy Est-Combined (MPG)
27 22 24
EPA Fuel Economy Est - Hwy (MPG)
34 26 28
EPA Fuel Economy Est - City (MPG)
23 19 21
Transmission
Sixth Gear Ratio (:1)
1.00 1.00 0.81
First Gear Ratio (:1)
4.71 5.35 3.31
Final Drive Axle Ratio (:1)
3.15 3.07 3.89
Third Gear Ratio (:1)
2.11 2.25 1.41
Trans Type
8 9 6
Seventh Gear Ratio (:1)
0.84 0.86 NA
Fifth Gear Ratio (:1)
1.28 1.21 0.95
Trans Description Cont. Again
NA NA NA
Reverse Ratio (:1)
3.29 4.93 3.00
Second Gear Ratio (:1)
3.14 3.24 1.95
Trans Order Code
2TB 421 480
Fourth Gear Ratio (:1)
1.67 1.64 1.13
Trans Description Cont.
Automatic w/OD Automatic w/OD Manual w/OD
Eighth Gear Ratio (:1)
0.67 0.72 -
Drivetrain
Rear Wheel Drive All Wheel Drive Rear Wheel Drive
Summary
Body Style
Convertible 4MATIC Cabriolet Convertible
Vehicle Name
BMW 4 Series Mercedes-Benz C-Class Porsche 718 Boxster
Suspension
Suspension Type - Rear
Multi-Link Multi-Link Strut
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link Strut
Suspension Type - Front
Strut Strut Strut
Suspension Type - Front (Cont.)
Strut Strut Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.6 8.0 7.3
Crash Test Ratings
Overall Rating
-
-
Overall Frontal Barrier Crash Rating
-
-
Frontal Barrier Crash Rating Driver
-
-
Frontal Barrier Crash Rating Passenger
-
-
Overall Side Crash Rating
-
-
Side Barrier Rating
-
-
Side Barrier Rating Driver
-
-
Side Barrier Rating Passenger Rear Seat
-
-
Side Pole Rating Driver Front Seat
-
-
Combined Side Rating Front Seat
-
-
Combined Side Rating Rear Seat
-
-
Rollover Rating
-
-

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