Title text:
‘They really shouldn’t let those small cars drive in traffic. I worry I’m going to kill someone if I hit one! They should have to drive on the sidewalk, safely out of the way.’
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3167/


Will it? Modern small cars are huge compared to old small cars in Europe too. Because of crumple zones and safety equipment. You used to be able to get a VW Golf that was 3.7 meters long and weighed like 800 kilos. Same car now starts at nearly 4.3 meters and over 1.2 tons.