The Peugeot 108 Top shares almost all of its mechanical bits with the Citroen C1 Airscape, which is built in the same factory. As you’d expect, running costs are very similar between those two, but the Citroen is cheaper to buy and has better resale values, which means that overall the Peugeot will cost you more over the life of the car. However, a look at another city car favourite, the Fiat 500C, shows that while the Peugeot is slightly more expensive to buy, it’s much better on fuel which will help to reduce overall bills, and we’d expect to be a bit cheaper when everything’s totted up.