Compare 2021 BMW Z4 vs 2021 Porsche 718

2021 BMW Z4
2021 Porsche 718
#6 in Coupes
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sDrive30i Roadster
Style MPG City MPG Hwy Invoice MSRP
Z4 sDrive30i Roadster 25 32 $46,720 $49,700
Z4 sDriveM40i Roadster 22 30 $59,740 $63,700
Select style
25 Years Roadster
Style MPG City MPG Hwy Invoice MSRP
718 Boxster 25 Years Roadster N/A N/A N/A $98,600
718 Boxster GTS 4.0 Roadster 17 24 N/A $88,900
718 Boxster Roadster N/A N/A N/A $62,000
718 Boxster S Roadster 19 24 N/A $74,000
718 Boxster T Roadster 20 26 N/A $71,000
718 Cayman Coupe 20 26 N/A $59,900
718 Cayman GT4 Coupe 17 23 N/A $100,200
718 Cayman GTS 4.0 Coupe 17 24 N/A $86,800
718 Cayman S Coupe 19 24 N/A $71,900
718 Cayman T Coupe 20 26 N/A $68,900
Pricing
Invoice Price
$46,720
Coming Soon
Manufacturer Suggested Retail Price
$49,700
$98,600
Monthly Payment Estimate
$828 / month
$1643 / month
The Car Connection's Take
TCC Rating
6.8
7.0
TCC’s Bottom Line
The 2021 BMW Z4 begs for a sunny-day romp like few other cars. The Porsche 718 is a joy to drive in any form and additional performance equipment makes it a track star.
TCC Likes
TCC Dislikes
Fuel Economy
City
25 mpg Coming Soon
Highway
32 mpg Coming Soon
Vehicle
EPA Classification
Two Seaters Two Seaters
Interior Dimensions
Front Head Room (in)
38.9 -
Passenger Capacity
2 2
Front Shoulder Room (in)
54.3 -
Front Leg Room (in)
42.2 -
Exterior Dimensions
Track Width, Rear (in)
63.5 60.4
Wheelbase (in)
97.2 97.4
Width, Max w/o mirrors (in)
73.4 70.9
Track Width, Front (in)
63.7 60.1
Length, Overall (in)
170.7 172.9
Height, Overall (in)
51.4 50.1
Min Ground Clearance (in)
- 4.4
Cargo Area Dimensions
Trunk Volume (ft³)
9.9 4.4
Brakes
Rear Brake Rotor Diam x Thickness (in)
NA 13
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 13.8
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal)
13.7 16.9
Steering
Turning Diameter - Curb to Curb (ft)
36.1 36.1
Steering Type
Rack-Pinion Rack-Pinion
Tires
Rear Tire Size
P255/40VR18 P265/35ZR20
Rear Tire Order Code
NA NA
Front Tire Size
P225/45VR18 P235/35ZR20
Spare Tire Size
NA NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Weight Information
Base Curb Weight (lbs)
3287 3156
Wheels
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
18 X 8 20 X 8.5
Spare Wheel Size (in)
NA NA
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
18 X 9 20 X 10.5
Electrical
Maximum Alternator Capacity (amps)
170 -
Engine
Engine Type
Intercooled Turbo Premium Unleaded I-4 Premium Unleaded H-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
295 @ 1550 309 @ 5000
Engine Order Code
NA NA
Displacement
2.0 L/122 4.0 L/244
SAE Net Horsepower @ RPM
255 @ 5000 394 @ 7000
Mileage
EPA Fuel Economy Est - City (MPG)
25 - TBD -
Fuel Economy Est-Combined (MPG)
28 - TBD -
EPA Fuel Economy Est - Hwy (MPG)
32 - TBD -
Transmission
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
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
Summary
Vehicle Name
BMW Z4 Porsche 718 Boxster
Body Style
Roadster Convertible
Suspension
Suspension Type - Rear (Cont.)
Multi-Link Strut
Suspension Type - Front
Strut Strut
Suspension Type - Front (Cont.)
Strut Strut
Suspension Type - Rear
Multi-Link Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.4 - TBD -
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