Although there are some similarities, these two are different in most aspects such as body structure, ground shadow size, model year, fuel economy, and maximum occupancy. First of all, body structures are completely different. One is a Hatchback and the other a Wagon. The 2014 500e is also significantly smaller than the 2016 Soul EV. Also, the Soul EV is more fuel efficient; it gets 11 more mpg than the 500e. In addition, the Kia Soul EV seats one more passenger than the FIAT 500e. Among similarities are the market segment and starting price.