2012 BMW i3 and i8

With the BMW i3 and i8 guaranteed for production (well, nearly guaranteed), rumors are starting to swirl that BMW will add two more models to its high-efficiency i brand. Likely dubbed the i4 and i5, they will expand on the i3 and i8 platforms, respectively.

The i4 will likely be a sporty, two-door play on the i3 platform, wearing the same carbon fiber and plastic skin as the smaller hatchback. You can expect a wider track for the i4, and likely more power from the electric motors. The optional two-cylinder range-extending engine offered in the i3 will probably make the i4 checklist, too.

The i5 will be a sport sedan akin to the Audi A5 Sportback, and will play off the i8's platform. That means a 1.5-liter turbocharged three-cylinder mill helping electric motors do their thing. Don't expect the i8's 349 horsepower, but the i5 should move along just fine.
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