2016 BMW X1 is the newer version with some differences, such as the starting price and horsepower.. First of all, the 2015 BMW X1 is priced $3,600 lower compared to the base MSRP of the 2016 BMW X1. And finally, the 2015 X1 pulls more horsepower than the 2016 X1. Among similarities are the body structure, market segment, fuel economy, ground shadow size, height, and maximum occupancy.