Compare 2020 BMW Z4 vs 2020 Porsche 718

2020 BMW Z4
2020 Porsche 718
#5 in Coupes
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sDrive30i Roadster
Style MPG City MPG Hwy Invoice MSRP
Z4 sDrive30i Roadster 24 32 $46,720 $49,700
Z4 sDriveM40i Roadster 24 31 $59,740 $63,700
Select style
Roadster
Style MPG City MPG Hwy Invoice MSRP
718 Boxster Roadster 20 26 N/A $59,600
718 Boxster S Roadster 19 24 N/A $72,000
718 Boxster T Roadster 20 26 N/A $68,500
718 Cayman Coupe 20 26 N/A $57,500
718 Cayman GT4 Coupe 16 23 N/A $99,200
718 Cayman S Coupe 19 24 N/A $69,900
718 Cayman T Coupe 20 26 N/A $66,400
Pricing
Invoice Price
$46,720
N/A
Manufacturer Suggested Retail Price
$49,700
$59,600
Monthly Payment Estimate
$828 / month
$993 / month
The Car Connection's Take
TCC Rating
6.8
7.0
TCC’s Bottom Line
The 2020 BMW Z4 keeps alive the Sunday drive. In Porsche-speak, GTS translates to “Goldilocks.” That’s not true, but the 718 makes a lot of sense in well-balanced GTS trim.
TCC Likes
TCC Dislikes
Fuel Economy
City
24 mpg 20 mpg
Highway
32 mpg 26 mpg
Vehicle
EPA Classification
Two-Seaters Two-Seaters
Interior Dimensions
Front Leg Room (in)
42.2 -
Front Head Room (in)
38.9 -
Passenger Capacity
2 2
Front Shoulder Room (in)
54.3 -
Exterior Dimensions
Length, Overall (in)
170.7 172.4
Height, Overall (in)
51.4 50.4
Track Width, Rear (in)
63.5 60.3
Wheelbase (in)
97.2 97.4
Width, Max w/o mirrors (in)
73.4 70.9
Track Width, Front (in)
63.7 59.6
Min Ground Clearance (in)
- 4.3
Cargo Area Dimensions
Trunk Volume (ft³)
9.9 4.4
Brakes
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
NA 11.8
Brake Type
4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
NA 13
Drum - Rear (Yes or )
NA NA
Fuel Tank
Fuel Tank Capacity, Approx (gal)
13.7 14.2
Steering
Steering Type
Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
36.1 36.1
Tires
Spare Tire Size
NA NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P255/40VR18 P265/45ZR18
Rear Tire Order Code
NA NA
Front Tire Size
P225/45VR18 P235/45ZR18
Weight Information
Base Curb Weight (lbs)
3287 3021
Wheels
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
18 X 9 18 X 9.5
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
18 X 8 18 X 8
Spare Wheel Size (in)
NA NA
Electrical
Maximum Alternator Capacity (amps)
170 -
Engine
Displacement
2.0 L/122 2.0 L/121
SAE Net Horsepower @ RPM
255 @ 5000 300 @ 6500
Engine Type
Intercooled Turbo Premium Unleaded I-4 Intercooled Turbo Premium Unleaded H-4
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
295 @ 1550 280 @ 1950
Engine Order Code
NA NA
Mileage
Fuel Economy Est-Combined (MPG)
27 22
EPA Fuel Economy Est - Hwy (MPG)
32 26
EPA Fuel Economy Est - City (MPG)
24 20
Transmission
Trans Type
8 6
Fifth Gear Ratio (:1)
1.32 0.95
Trans Description Cont. Again
NA NA
Eighth Gear Ratio (:1)
0.64 -
Reverse Ratio (:1)
3.71 3.00
Second Gear Ratio (:1)
3.36 1.95
Trans Order Code
2TB 480
Fourth Gear Ratio (:1)
1.72 1.13
Trans Description Cont.
Automatic w/OD Manual w/OD
Seventh Gear Ratio (:1)
0.82 NA
Drivetrain
Rear Wheel Drive Rear Wheel Drive
Sixth Gear Ratio (:1)
1.00 0.81
First Gear Ratio (:1)
5.25 3.31
Final Drive Axle Ratio (:1)
3.15 3.89
Third Gear Ratio (:1)
2.17 1.41
Summary
Body Style
Roadster Convertible
Vehicle Name
BMW Z4 Porsche 718 Boxster
Suspension
Suspension Type - Rear
Multi-Link Strut
Suspension Type - Rear (Cont.)
Multi-Link Strut
Suspension Type - Front
Strut Strut
Suspension Type - Front (Cont.)
Strut Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.6 8.1
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