The Smart Fortwo ought to have been a ground-breaking smart vehicle. On the other hand, as Yeah! The rear-mounted engine and fore-mounted cooling system cause a lot of heat to travel beneath the passenger cabin, so the difficulties are visible. This basically cooks the passengers inside on hot days; it’s not a formula for comfort. This is the first vehicle on the list to offer a hybrid model, despite its extremely low emissions and incredible fuel efficiency. The original generation of Fortwos had a lot of issues that almost brought the Smart brand to an end.