This is a brief summary of the comparison between 2 electric cars listed below:
If you're looking for the longest range EV, you should choose The BMW iX 3 as it has the best EPA/WLTP range (385 mi) and the largest battery pack (80 kWh). The Mercedes B250e can travel 87 mi with a full battery.
Overall, the BMW iX 3 is the most powerful and has the longest range, but it is also the most expensive. The Mercedes B250e is a good compromise between performance, range, and price.