BMW Z4 vs. Porsche 718 Boxster
$56,100
$77,600
Highlights
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Starting MSRP |
$56,100
|
$77,600
|
| Engine Type |
Intercooled Turbo Premium Gasoline I-4
|
Intercooled Turbo Premium Gasoline H-4
|
| MPG |
25 City / 33 Hwy
|
20 City / 25 Hwy
|
| Horsepower |
255 hp
|
300 hp
|
| Drive Type |
Rear Wheel Drive
|
Rear Wheel Drive
|
| Seating Capacity |
2
|
2
|
| Basic Warranty |
4 yr / 50,000 mi
|
4 yr / 50,000 mi
|
Engine
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| SAE Net Torque @ RPM |
295 @ 1500
|
280 @ 1950
|
| Engine Type |
Intercooled Turbo Premium Gasoline I-4
|
Intercooled Turbo Premium Gasoline H-4
|
| SAE Net Horsepower @ RPM |
255 @ 5000
|
300 @ 6500
|
| Displacement |
2.0 L/122
|
2.0 L/121
|
| Transmission Options |
|
|
| MPG |
25 City / 33 Hwy
|
20 City / 25 Hwy
|
| Total Cooling System Capacity |
N/A
|
N/A
|
Tires & Wheels
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Front Wheel Material |
Aluminum
|
Aluminum
|
| Rear Wheel Size |
18 X 9 in
|
18 X 9.5 in
|
| Rear Tire Size |
P255/40YR18
|
P265/45ZR18
|
| Rear Wheel Material |
Aluminum
|
Aluminum
|
| Front Tire Size |
P225/45YR18
|
P235/45ZR18
|
| Spare Wheel Material |
N/A
|
N/A
|
| Spare Tire Size |
N/A
|
N/A
|
| Front Wheel Size |
18 X 8 in
|
18 X 8 in
|
| Spare Wheel Size |
N/A
|
N/A
|
Suspension
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Suspension Type - Front |
Strut
|
Strut
|
| Suspension Type - Front (Cont.) |
Strut
|
Strut
|
| Suspension Type - Rear |
Multi-Link
|
Strut
|
| Suspension Type - Rear (Cont.) |
Multi-Link
|
Strut
|
Steering
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Lock to Lock Turns (Steering) |
N/A
|
N/A
|
| Steering Type |
Rack-Pinion
|
Rack-Pinion
|
| Turning Diameter - Wall to Wall |
N/A
|
N/A
|
| Steering Ratio (:1), Overall |
N/A
|
N/A
|
| Turning Diameter - Curb to Curb |
36 ft
|
36 ft
|
Measurements
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Front Shoulder Room |
54 in
|
N/A
|
| Passenger Volume |
N/A
|
N/A
|
| Liftover Height |
N/A
|
N/A
|
| Passenger Capacity |
2
|
2
|
| Wheelbase |
97 in
|
97 in
|
| Second Head Room |
N/A
|
N/A
|
| Front Leg Room |
42 in
|
N/A
|
| Second Hip Room |
N/A
|
N/A
|
| Second Leg Room |
N/A
|
N/A
|
| Second Shoulder Room |
N/A
|
N/A
|
| Track Width, Rear |
64 in
|
60 in
|
| Trunk Volume |
10 ft³
|
4 ft³
|
| Track Width, Front |
64 in
|
60 in
|
| Front Hip Room |
N/A
|
N/A
|
| Width, Max w/o mirrors |
73 in
|
71 in
|
| Height, Overall |
51 in
|
50 in
|
| Min Ground Clearance |
5 in
|
4 in
|
| Length, Overall |
171 in
|
172 in
|
| Front Head Room |
39 in
|
N/A
|
Weight & Capacity
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Dead Weight Hitch - Max Trailer Wt. |
N/A
|
N/A
|
| Fuel Tank Capacity, Approx |
14 gal
|
14 gal
|
| Wt Distributing Hitch - Max Tongue Wt. |
N/A
|
N/A
|
| Dead Weight Hitch - Max Tongue Wt. |
N/A
|
N/A
|
| Wt Distributing Hitch - Max Trailer Wt. |
N/A
|
N/A
|
| Base Curb Weight |
3,314 lbs
|
3,097 lbs
|
| Aux Fuel Tank Capacity, Approx |
N/A
|
N/A
|
Safety
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Backup Camera |
Standard
|
Standard
|
| Stability Control |
Standard
|
Standard
|
Entertainment
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Bluetooth® |
Standard
|
Standard
|
Electrical
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Cold Cranking Amps @ 0° F (Primary) |
N/A
|
N/A
|
| Maximum Alternator Capacity (amps) |
N/A
|
N/A
|
Brakes
| 2026 BMW Z4 | 2025 Porsche 718 Boxster | |
|---|---|---|
| Brake ABS System (Second Line) |
N/A
|
N/A
|
| Rear Brake Rotor Diam x Thickness |
N/A
|
12 in
|
| Drum - Rear (Yes or ) |
N/A
|
N/A
|
| Disc - Rear (Yes or ) |
Yes
|
Yes
|
| Front Brake Rotor Diam x Thickness |
N/A
|
13 in
|
| Brake Type |
4-Wheel Disc
|
4-Wheel Disc
|
| Brake ABS System |
4-Wheel
|
4-Wheel
|
| Disc - Front (Yes or ) |
Yes
|
Yes
|
FAQ
Which is more fuel efficient, the 2026 BMW Z4 or the 2025 Porsche 718 Boxster?
The 2026 BMW Z4 is more fuel efficient than the 2025 Porsche 718 Boxster with 28 MPG combined versus 22 MPG combined.
Which car is cheaper, the 2026 BMW Z4 or the 2025 Porsche 718 Boxster?
The 2026 BMW Z4 is cheaper than the 2025 Porsche 718 Boxster with a $56,100 starting MSRP versus a $77,600 starting MSRP.
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