Compare 2016 BMW Z4 vs 2017 Mercedes-Benz SLC Class vs 2017 Porsche 718

2016 BMW Z4
X
2017 Mercedes-Benz SLC Class
X
2017 Porsche 718
X
Select style
2-Door Roadster sDrive28i
Style MPG City MPG Hwy Invoice MSRP
Z4 2-Door Roadster sDrive28i 22 34 $46,225 $49,700
Z4 2-Door Roadster sDrive35i 17 24 $53,400 $57,500
Z4 2-Door Roadster sDrive35is 17 24 $61,540 $66,350
Select style
AMG SLC 43 Roadster
Style MPG City MPG Hwy Invoice MSRP
SLC AMG SLC 43 Roadster 20 29 $56,079 $60,300
SLC SLC 300 Roadster 25 32 $44,594 $47,950
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
$46,225
$56,079
Coming Soon
Manufacturer Suggested Retail Price
$49,700
$60,300
$56,000
Monthly Payment Estimate
$828 / month
$1005 / month
$933 / month
The Car Connection's Take
TCC Rating
7.8
7.2
8.2
TCC’s Bottom Line
While it isn't as agile as the Porsche Boxster it is priced against, the 2016 BMW Z4 balances sportiness with comfort and a comfortable cabin. The 2017 Mercedes-Benz SLC offers luxurious open-air motoring for buyers who are more interested in weekend getaways than canyon-carving. 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
22 mpg 20 mpg 21 mpg
Highway
34 mpg 29 mpg 28 mpg
Vehicle
EPA Classification
Two-Seaters Two Seaters Two-Seaters
Interior Dimensions
Front Head Room (in)
39.1 38 -
Passenger Capacity
2 2 2
Front Shoulder Room (in)
53.3 52.2 -
Front Leg Room (in)
42.2 42.5 -
Passenger Volume (ft³)
- 48.8 -
Exterior Dimensions
Track Width, Rear (in)
61.4 61.7 60.3
Wheelbase (in)
98.3 95.7 97.4
Width, Max w/o mirrors (in)
70.5 71.5 70.9
Track Width, Front (in)
59.5 61 59.6
Length, Overall (in)
166.9 163.1 172.4
Height, Overall (in)
50.8 51.3 50.4
Min Ground Clearance (in)
- 4.1 -
Cargo Area Dimensions
Trunk Volume (ft³)
8 6.4 9.7
Brakes
Rear Brake Rotor Diam x Thickness (in)
11.8 13 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
Disc - Rear (Yes or )
Yes Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal)
14.5 18.5 14.3
Steering
Turning Diameter - Curb to Curb (ft)
35.1 34.5 36
Steering Type
Rack-Pinion Rack-Pinion Rack-Pinion
Tires
Rear Tire Size
P225/45VR17 P255/35YR18 P265/45ZR18
Rear Tire Order Code
NA NA NA
Front Tire Size
P225/45VR17 P235/40YR18 P235/45ZR18
Spare Tire Size
NA Compact NA
Front Tire Order Code
NA NA NA
Spare Tire Order Code
NA NA NA
Weight Information
Base Curb Weight (lbs)
3263 3518 2944
Wheels
Front Wheel Material
Aluminum Aluminum Aluminum
Spare Wheel Material
NA Steel NA
Front Wheel Size (in)
17 X 8 18 X 8 18 X 8
Spare Wheel Size (in)
NA Compact NA
Rear Wheel Material
Aluminum Aluminum Aluminum
Rear Wheel Size (in)
17 X 8 18 X 9 18 X 9.5
Electrical
Maximum Alternator Capacity (amps)
170 - -
Engine
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
SAE Net Torque @ RPM
260 @ 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
240 @ 5000 362 @ 5500 300 @ 6500
Mileage
EPA Fuel Economy Est - City (MPG)
22 20 21
Fuel Economy Est-Combined (MPG)
26 23 24
EPA Fuel Economy Est - Hwy (MPG)
34 29 28
Transmission
Second Gear Ratio (:1)
2.06 3.24 1.95
Trans Order Code
ZMT NA 480
Fourth Gear Ratio (:1)
1.00 1.64 1.13
Trans Description Cont.
Manual w/OD Automatic w/OD Manual w/OD
Seventh Gear Ratio (:1)
NA 0.86 NA
Drivetrain
Rear Wheel Drive Rear Wheel Drive Rear Wheel Drive
Sixth Gear Ratio (:1)
0.68 1.00 0.81
First Gear Ratio (:1)
3.68 5.35 3.31
Final Drive Axle Ratio (:1)
3.08 2.82 3.89
Third Gear Ratio (:1)
1.31 2.25 1.41
Trans Type
6 9 6
Fifth Gear Ratio (:1)
0.81 1.21 0.95
Trans Description Cont. Again
NA NA NA
Reverse Ratio (:1)
3.35 4.93 3.00
Eighth Gear Ratio (:1)
- 0.72 -
Summary
Vehicle Name
BMW Z4 Mercedes-Benz SLC Porsche 718 Boxster
Body Style
Roadster Roadster Convertible
Suspension
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link Strut
Suspension Type - Front
Strut Strut Strut
Suspension Type - Front (Cont.)
Strut Strut Strut
Suspension Type - Rear
Multi-Link Multi-Link Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.8 7.7 7.3

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