Both the i4 and the Taycan have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, post-collision automatic braking systems, daytime running lights, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors and available around view monitors.
Compare the2026 BMW i4VS 2026 Porsche Taycan
Safety
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Warranty
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BMW pays for scheduled maintenance on the i4 for 1 year and 12000 miles longer than Porsche pays for maintenance for the Taycan (3/36,000 vs. 2/24,000).
There are over 72 percent more BMW dealers than there are Porsche dealers, which makes it much easier should you ever need service under the i4’s warranty.
Fuel Economy and Range
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On the EPA test cycle the i4 gets better mileage than the Taycan Sedan:
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MPGe |
| i4 |
|||
|
|
RWD |
eDrive40 18" Wheels Electric Motor |
121 city/115 hwy |
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|
|
eDrive40 19" Wheels Electric Motor |
112 city/105 hwy |
|
|
AWD |
xDrive40 18" Wheels Electric Motors |
99 city/103 hwy |
|
|
|
19" Wheels Electric Motors |
99 city/96 hwy |
|
|
|
xDrive40 19" Wheels Electric Motors |
93 city/95 hwy |
| Taycan Sedan |
|||
|
|
RWD |
Turbo Electric Motor |
94 city/92 hwy |
|
|
|
Performance Battery Plus Electric Motor |
94 city/90 hwy |
|
|
|
Performance Battery Electric Motor |
94 city/88 hwy |
|
|
AWD |
4S 19" Wheels Performance Battery Electric Motors |
94 city/92 hwy |
|
|
|
4S Performance Battery Electric Motors |
90 city/85 hwy |
|
|
|
4S Performance Battery Plus Electric Motors |
89 city/85 hwy |
|
|
|
Performance Battery Electric Motors |
89 city/85 hwy |
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|
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GTS Electric Motors |
88 city/85 hwy |
The i4 can travel longer on a full charge than the Taycan Sedan on a full charge:
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Miles |
| i4 |
|||
|
|
RWD |
eDrive40 18" Wheels Electric Motor |
333 miles |
|
|
|
eDrive40 19" Wheels Electric Motor |
307 miles |
|
|
AWD |
xDrive40 18" Wheels Electric Motors |
287 miles |
|
|
|
19" Wheels Electric Motors |
278 miles |
| Taycan Sedan |
|||
|
|
RWD |
Turbo Electric Motor |
317 miles |
|
|
|
Performance Battery Plus Electric Motor |
318 miles |
|
|
|
Performance Battery Electric Motor |
274 miles |
|
|
AWD |
Turbo GT Weissach Electric Motors |
269 miles |
Brakes and Stopping
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The i4 stops much shorter than the Taycan:
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|
i4 |
Taycan |
|
| 70 to 0 MPH |
149 feet |
161 feet |
Car and Driver |
| 60 to 0 MPH |
129 feet |
130 feet |
Consumer Reports |
Tires and Wheels
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The i4’s standard tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Taycan’s standard 55 series front tires.
Suspension and Handling
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The i4 M60 handles at .96 G’s, while the Taycan pulls only .89 G’s of cornering force in a Car and Driver skidpad test.
Chassis
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The i4 is 6.9 inches shorter than the Taycan, making the i4 easier to handle, maneuver and park in tight spaces.
For excellent aerodynamics, the i4 has standard flush composite headlights. The Taycan has recessed headlights that spoil its aerodynamic shape and create extra drag.
Passenger Space
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The i4 has 2 inches more rear legroom and 1.1 inches more rear shoulder room than the Taycan.
Ergonomics
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If the windows are left open on the i4 the driver can close all of them at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Taycan can only operate the windows from inside the vehicle, with the ignition on.
The i4’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The Taycan’s cruise control switches are unlit, making them difficult to find at night and operate safely.
Consumer Reports rated the i4’s headlight performance “Good,” a higher rating than the Taycan’s headlights, which were rated “Fair.”
To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the i4 has standard extendable sun visors. The Taycan doesn’t offer extendable visors.
Recommendations
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Consumer Reports® recommends both the BMW i4 and the Porsche Taycan, based on reliability, safety and performance.
The i4 was chosen as a Car and Driver’s “Top Ten” for 2023. The Taycan has never been chosen by Car and Driver in their “10Best” issue.
The BMW 4 Series outsold the Porsche Taycan by almost 10 to one during 2025.