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by enragedcacti 666 days ago
I love the i3 but there were some substantial compromises.

On the manufacturing side: For weight and space reasons its the only non sports car to have ever been built with a carbon fiber monocoque which is pretty expensive compared to a traditional unibody. Extremely cool but not a realistic benchmark for cheap, mass-market vehicles.

User experience wise: Its a great car until the battery starts getting low. The range extender can't put out the same power as the battery so it goes into a fairly severe limp mode until it charges. The range extender is pretty inefficient in part because it just spins a generator instead of the wheels directly, so it only gets ~40mpg on gas. It also has an extremely small gas tank (2.4 gal) so the range extender only buys you another 120 or so miles before you have to stop and refill. It also only supports 50kWh charging so fast charging is not very fast at all.

1 comments

I'm wondering where you experienced the "fairly severe limp mode" -- our REx can keep up with 75mph driving on a level highway, and will recharge the battery even at 65. Rain and hills have been able to overpower our REx, but never anything that prevented us from maintaining 55mph. Not really limping.

I grant that other climates and situations may have different experiences. We're on the west coast.