U.S. magazine Car and Driver spent some time with the BMW i3 REx, the Range Extender variant of BMW’s first fully electric car.
At 3,135 pounds, the range-extender-equipped i3 is almost 300 pounds heavier than the pure-electric model. In their instrumental test, they recorded a 0 to 60 mph time in 7.0 seconds and through the quarter-mile in 15.8. That’s quick, especially considering that this is a segment in which many cars need 10 seconds to hit the mile-a-minute mark.
They also concluded that the BMW i3 is still a …BMW. “The strongest hints of BMW are found in the handling feel. The steering is quick at 2.6 turns lock-to-lock,” says the review.
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In order to reduce range anxiety, BMW i3 REx comes with a rear-mounted 650cc, 34 hp, two-cylinder, gasoline- powered Range Extender generator is available, which roughly doubles the vehicle’s range. When the battery gets to a certain level, the Range Extender starts and maintains the battery’s current state of charge.
The Range Extender never directly drives the vehicle’s wheels. The Range Extender adds roughly 330 lbs. to the vehicle curb weight and has a fuel capacity of 1.9 gallons. Pricing (before federal or local incentives) starts at $41,350; $45,200 for Range Extender model.
Here is the full review from Car and Driver.
And here's a handy graphic showing the test results from Car and Driver for the BMW i3 BEV, BMW i3 REx and BMW i3 REx in charge-sustaining mode:
BMW i3 Tests Results