2027 BMW i3 vs. BMW i4: Which Electric Car Belongs in Your Garage?
The team at BMW of Northwest Arkansas in Bentonville gets this question constantly: With the 2027 BMW i3 arriving, where does that leave the BMW i4? Both are electric cars built around BMW’s performance DNA, but they represent two distinct generations of the same vision. Understanding the key differences makes the choice considerably clearer — read on to learn more.
Platform and Architecture
The 2026 BMW i4 runs on BMW’s fifth-generation eDrive system, a proven platform with a well-established reputation. The 2027 BMW i3 is BMW’s first sedan on the Neue Klasse architecture, the next-generation foundation also underpinning the BMW iX3. That shift brings an 800-volt electrical system to the BMW i3 versus the 400-volt setup of the BMW i4.
Performance and Range
The 2026 BMW i4 offers three powertrains: the BMW i4 eDrive40 trim at 335 horsepower and 333 miles of range, the BMW i4 xDrive40 trim at 396 horsepower, and the BMW i4 M60 trim at 593 horsepower and up to 278 miles of range. The 2027 BMW i3 launches in a single i3 50 xDrive trim producing 463 horsepower and 476 lb-ft of torque, with BMW’s internal EPA-calibrated testing putting estimated range at approximately 440 miles.
Charging
The 2026 BMW i4 supports DC Fast Charging at up to 200 kW, adding roughly 90 miles in 10 minutes. The 2027 BMW i3 pushes that ceiling to 400 kW, adding approximately 249 miles in the same window. This new BMW electric sedan also introduces bidirectional charging, meaning it can power external devices, support a home solar setup, or feed energy back to the grid.
Technology and Interior
The 2026 BMW i4 runs BMW Operating System 8.5 on BMW’s Curved Display™, pairing a 12.3-inch instrument cluster with a 14.9-inch central screen. The 2027 BMW i3 steps up to BMW Operating System X with a panoramic digital interface, the same next-generation platform launching in the BMW iX3.
Explore the BMW i3 and BMW i4 Near Fayetteville, AR
The 2026 BMW i4 delivers proven performance with three powertrain options available today, while the 2027 BMW i3 represents a generational leap in range, charging speed, and technology. BMW Financial Services offers flexible financing on both the BMW i4 and the incoming BMW i3, so either sedan is well within reach. Visit BMW of Northwest Arkansas in Bentonville to compare both models and find the right fit.
Estimated ranges attainable with a fully charged battery under ideal driving conditions. Ranges of recently released new model year electric vehicles may not yet be fully certified by the EPA. Estimated EV range is based on preliminary BMW AG tests based on EPA testing procedure standards.