How has vehicles changed over the past 5 years?

Answer 1

Motor vehicles have improved fuel economy and lower emissions.

Safety is much improved, both in the design of the body shell and in such things as air bags.

And things such as tyre design and soundproofing continue to improve.

Arc discharge headlights; more efficient, and brighter; are available now, but not on most street models.

Lithium Iron Phosphate LiFePO4 batteries will arrive quite soon, and are superior to lead acid in most respects. But there are some inferior manufacturers, so watch the reviews.

And without looking at air transport, or other public transport!