My ‘84 Colt regularly carried 5 to 8 skinny teenagers, and didn’t feel crowded to me! Ok, it only had 51 h.p., the a.c. felt like that number got halved, and as the driver, I always had a seat to myself. My ‘14 Fiat 500 had the same engine displacement but twice the h.p., was almost the same in size, and m.p.g., but in…