Compare 2019 BMW Z4 vs 2019 Mercedes-Benz SLC Class vs 2019 Porsche 718

2019 BMW Z4
X
2019 Mercedes-Benz SLC Class
X
2019 Porsche 718
#5 in Coupes
X
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Select style
sDrive30i Roadster
Style MPG City MPG Hwy Invoice MSRP
Z4 sDrive30i Roadster 25 32 $46,720 $49,700
Select style
AMG SLC 43 Roadster
Style MPG City MPG Hwy Invoice MSRP
SLC AMG SLC 43 Roadster 20 29 $60,066 $63,900
SLC SLC 300 Roadster 23 32 $46,013 $48,950
Select style
GTS Roadster
Style MPG City MPG Hwy Invoice MSRP
718 Boxster GTS Roadster 19 25 N/A $82,800
718 Boxster Roadster 21 28 N/A $59,000
718 Boxster S Roadster 20 26 N/A $71,400
718 Cayman Coupe 21 28 N/A $56,900
718 Cayman GTS Coupe 19 25 N/A $80,700
718 Cayman S Coupe 20 26 N/A $69,300
Pricing
Invoice Price
$46,720
$60,066
N/A
Manufacturer Suggested Retail Price
$49,700
$63,900
$82,800
Monthly Payment Estimate
$828 / month
$1065 / month
$1380 / month
The Car Connection's Take
TCC Rating
6.8
5.8
7.2
TCC’s Bottom Line
The 2019 BMW Z4 serves notice that in a crossover-coupe era, the top-down sports-car driving experience still is second to none. The 2019 Mercedes-Benz SLC-Class splits its mission between top-down cruiser and top-up thrill seeker. The 2019 Porsche 718 may never be the champion of the automaker’s lineup, but it’s a champ everywhere else.
TCC Likes
TCC Dislikes
Fuel Economy
City
25 mpg 20 mpg 19 mpg
Highway
32 mpg 29 mpg 25 mpg
Vehicle
EPA Classification
Two-Seaters Two-Seaters Two-Seaters
Interior Dimensions
Front Head Room (in)
38.9 38 -
Front Shoulder Room (in)
54.3 52.2 -
Front Leg Room (in)
42.2 42.5 -
Passenger Capacity
2 2 2
Passenger Volume (ft³)
- 48.8 -
Exterior Dimensions
Width, Max w/o mirrors (in)
73.4 71.5 70.9
Track Width, Front (in)
63.7 61 60.1
Length, Overall (in)
170.7 163.1 173
Height, Overall (in)
51.4 51.3 50.1
Track Width, Rear (in)
63.5 61.7 60.4
Wheelbase (in)
97.2 95.7 97.4
Min Ground Clearance (in)
- 4.1 3.9
Cargo Area Dimensions
Trunk Volume (ft³)
9.9 6.4 9.7
Brakes
Front Brake Rotor Diam x Thickness (in)
NA 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
Rear Brake Rotor Diam x Thickness (in)
NA 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
Fuel Tank
Fuel Tank Capacity, Approx (gal)
13.7 15.9 16.9
Steering
Turning Diameter - Curb to Curb (ft)
36.1 34.5 36.1
Steering Type
Rack-Pinion Rack-Pinion Rack-Pinion
Tires
Front Tire Size
P225/45VR18 P235/40YR18 P235/35ZR20
Spare Tire Size
NA NA NA
Front Tire Order Code
NA NA NA
Spare Tire Order Code
NA NA NA
Rear Tire Size
P255/40VR18 P255/40YR18 P265/35ZR20
Rear Tire Order Code
NA NA NA
Weight Information
Base Curb Weight (lbs)
3287 3541 3032
Wheels
Spare Wheel Size (in)
NA NA NA
Rear Wheel Material
Aluminum Aluminum Aluminum
Rear Wheel Size (in)
18 X 9 18 X 9 20 X 10
Front Wheel Material
Aluminum Aluminum Aluminum
Spare Wheel Material
NA NA NA
Front Wheel Size (in)
18 X 8 18 X 8 20 X 8
Engine
SAE Net Horsepower @ RPM
255 @ 5000 385 @ 6100 365 @ 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
SAE Net Torque @ RPM
295 @ 1550 384 @ 2500 309 @ 1900
Engine Order Code
NA NA NA
Displacement
2.0 L/122 3.0 L/183 2.5 L/152
Mileage
EPA Fuel Economy Est - Hwy (MPG)
32 29 25
EPA Fuel Economy Est - City (MPG)
25 20 19
Fuel Economy Est-Combined (MPG)
28 23 21
Transmission
Fifth Gear Ratio (:1)
1.32 1.21 0.95
Trans Description Cont. Again
NA NA NA
Reverse Ratio (:1)
3.71 4.80 3.00
Second Gear Ratio (:1)
3.36 3.24 1.95
Trans Order Code
2TB NA 480
Fourth Gear Ratio (:1)
1.72 1.64 1.13
Trans Description Cont.
Automatic w/OD Automatic w/OD Manual w/OD
Eighth Gear Ratio (:1)
0.64 0.72 -
Drivetrain
Rear Wheel Drive Rear Wheel Drive Rear Wheel Drive
Sixth Gear Ratio (:1)
1.00 1.00 0.81
First Gear Ratio (:1)
5.25 5.35 3.31
Final Drive Axle Ratio (:1)
3.15 2.82 3.89
Third Gear Ratio (:1)
2.17 2.25 1.41
Trans Type
8 9 6
Seventh Gear Ratio (:1)
0.82 0.86 -
Summary
Vehicle Name
BMW Z4 Mercedes-Benz SLC Porsche 718 Boxster
Body Style
Roadster Roadster Convertible
Suspension
Suspension Type - Front
Strut Strut Strut
Suspension Type - Front (Cont.)
Strut Strut Strut
Suspension Type - Rear
Multi-Link Multi-Link Strut
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.3 7.6 8.4
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