Compare 2021 BMW Z4 vs 2021 Chevrolet Corvette vs 2021 Porsche 718

2021 BMW Z4
#10 in Convertibles
X
2021 Chevrolet Corvette
#6 in Coupes
X
2021 Porsche 718
#6 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
Z4 sDriveM40i Roadster 22 30 $59,740 $63,700
Select style
2-Door Stingray Conv w/1LT
Style MPG City MPG Hwy Invoice MSRP
Corvette 2-Door Stingray Conv w/1LT 15 27 $62,951 $67,400
Corvette 2-Door Stingray Conv w/2LT 15 27 $69,302 $74,200
Corvette 2-Door Stingray Conv w/3LT 15 27 $73,645 $78,850
Corvette 2-Door Stingray Coupe w/1LT 15 27 $55,946 $59,900
Corvette 2-Door Stingray Coupe w/2LT 15 27 $62,764 $67,200
Corvette 2-Door Stingray Coupe w/3LT 15 27 $67,107 $71,850
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
$62,951
Coming Soon
Manufacturer Suggested Retail Price
$49,700
$67,400
$98,600
Monthly Payment Estimate
$828 / month
$1123 / month
$1643 / month
The Car Connection's Take
TCC Rating
6.8
7.0
7.0
TCC’s Bottom Line
The 2021 BMW Z4 begs for a sunny-day romp like few other cars. Dollar for dollar, the $59,995 2021 Chevrolet Corvette is the best performance value around. 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 15 mpg Coming Soon
Highway
32 mpg 27 mpg Coming Soon
Vehicle
EPA Classification
Two Seaters Two Seater Two Seaters
Interior Dimensions
Front Head Room (in)
38.9 37.9 -
Passenger Capacity
2 2 2
Front Shoulder Room (in)
54.3 54.4 -
Front Leg Room (in)
42.2 42.8 -
Front Hip Room (in)
- 52 -
Passenger Volume (ft³)
- - TBD - -
Exterior Dimensions
Track Width, Rear (in)
63.5 62.4 60.4
Wheelbase (in)
97.2 107.2 97.4
Width, Max w/o mirrors (in)
73.4 76.1 70.9
Track Width, Front (in)
63.7 64.9 60.1
Length, Overall (in)
170.7 182.3 172.9
Height, Overall (in)
51.4 48.6 50.1
Min Ground Clearance (in)
- 5.3 4.4
Liftover Height (in)
- - TBD - -
Cargo Area Dimensions
Trunk Volume (ft³)
9.9 12.6 4.4
Brakes
Rear Brake Rotor Diam x Thickness (in)
NA 13.3 x 1.02 13
Brake Type
4-Wheel Disc Pwr 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)
NA 12.6 x 1.18 13.8
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)
13.7 18.5 16.9
Steering
Turning Diameter - Curb to Curb (ft)
36.1 38 36.1
Steering Type
Rack-Pinion Pwr Rack & Pinion Rack-Pinion
Lock to Lock Turns (Steering)
- - TBD - -
Turning Diameter - Wall to Wall (ft)
- - TBD - -
Steering Ratio (:1), Overall
- 15.7 -
Tires
Rear Tire Size
P255/40VR18 305/30ZR20 P265/35ZR20
Rear Tire Order Code
NA XFN NA
Front Tire Size
P225/45VR18 245/35ZR19 P235/35ZR20
Spare Tire Size
NA NA NA
Front Tire Order Code
NA XFN NA
Spare Tire Order Code
NA NA NA
Weight Information
Base Curb Weight (lbs)
3287 3467 3156
Wheels
Front Wheel Material
Aluminum Aluminum Aluminum
Spare Wheel Material
NA NA NA
Front Wheel Size (in)
18 X 8 19 x 8.5 20 X 8.5
Spare Wheel Size (in)
NA NA NA
Rear Wheel Material
Aluminum Aluminum Aluminum
Rear Wheel Size (in)
18 X 9 20 x 11 20 X 10.5
Electrical
Maximum Alternator Capacity (amps)
170 - TBD - -
Cold Cranking Amps @ 0° F (Primary)
- - TBD - -
Engine
Engine Type
Intercooled Turbo Premium Unleaded I-4 Gas V8 Premium Unleaded H-6
Fuel System
Gasoline Direct Injection Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
295 @ 1550 465 @ 5150 309 @ 5000
Engine Order Code
NA LT2 NA
Displacement
2.0 L/122 6.2L/- TBD - 4.0 L/244
SAE Net Horsepower @ RPM
255 @ 5000 490 @ 6450 394 @ 7000
Mileage
EPA Fuel Economy Est - City (MPG)
25 15 - TBD -
Fuel Economy Est-Combined (MPG)
28 19 - TBD -
EPA Fuel Economy Est - Hwy (MPG)
32 27 - TBD -
Transmission
Second Gear Ratio (:1)
3.36 - TBD - 1.95
Trans Order Code
2TB M1L 480
Fourth Gear Ratio (:1)
1.72 - TBD - 1.13
Trans Description Cont.
Automatic w/OD Automatic Manual w/OD
Seventh Gear Ratio (:1)
0.82 - TBD - NA
Drivetrain
Rear Wheel Drive Rear Wheel Drive Rear Wheel Drive
Sixth Gear Ratio (:1)
1.00 - TBD - 0.81
First Gear Ratio (:1)
5.25 - TBD - 3.31
Final Drive Axle Ratio (:1)
3.15 4.9 3.89
Third Gear Ratio (:1)
2.17 - TBD - 1.41
Trans Type
8 8 6
Fifth Gear Ratio (:1)
1.32 - TBD - 0.95
Trans Description Cont. Again
NA NA NA
Eighth Gear Ratio (:1)
0.64 - TBD - -
Reverse Ratio (:1)
3.71 - TBD - 3.00
Clutch Size (in)
- NA -
Summary
Vehicle Name
BMW Z4 Chevrolet Corvette Porsche 718 Boxster
Body Style
Roadster Convertible Convertible
Suspension
Suspension Type - Rear (Cont.)
Multi-Link Double Wishbone Strut
Suspension Type - Front
Strut Short/Long Arm Strut
Suspension Type - Front (Cont.)
Strut Double Wishbone Strut
Suspension Type - Rear
Multi-Link Short/Long Arm Strut
Shock Absorber Diameter - Rear (mm)
- 46 -
Stabilizer Bar Diameter - Rear (in)
- - TBD - -
Shock Absorber Diameter - Front (mm)
- 46 -
Stabilizer Bar Diameter - Front (in)
- - TBD - -
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.4 9.4 - TBD -
Trailering
Dead Weight Hitch - Max Trailer Wt. (lbs)
- NA -
Wt Distributing Hitch - Max Trailer Wt. (lbs)
- NA -
Dead Weight Hitch - Max Tongue Wt. (lbs)
- NA -
Wt Distributing Hitch - Max Tongue Wt. (lbs)
- NA -
Cooling System
Total Cooling System Capacity (qts)
- - TBD - -
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2021 BMW Z4
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2021 Chevrolet Corvette
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