with regards to pickup trucks most spares are located behind the rear axle and current BEVs usually only have the battery pan between the axles. So I put it do

with regards to pickup trucks most spares are located behind the rear axle and current BEVs usually only have the battery pan between the axles. So I put it down to a packaging issue. They had two choices and under the bed solution provided the extra benefit of being able to use that space for other purposes. Many newer vehicles do not carry spare tires and this trend has been accelerating as tire technology has improved greatly and road side assistance is common that people rarely if ever have to change a tire.