The cheap clapped out Prius option is reasonably popular in London, particularly among cost-conscious riders. I hired (a slightly more expensive) Uber in London at the weekend and had to squash myself into a VW ID3... usually (or used to be) a Merc or Superb... damn enviro mentalists! I also hired a mincab from a cab office and was delighted to hear the word "Cash" stressed by the gentleman at the counter.