Just when you thought the Fiat 500 couldn’t get any cuter, along comes this 500C ‘cabriolet’ version to make you think again.

For reasons of historical accuracy, ease of use and, no doubt, expediency the 500C is not a full cabriolet in the conventional sense where the entire top of the car can be folded away out of sight.

Indeed rival manufacturers can already be heard sniffing that ‘it’s just a big sunroof, not a proper convertible.’ Will that affect its popularity? We think not.

Rather more likely to dent its chances of becoming as wildly popular as its hyper-achieving tin-top sister is Fiat’s decision to charge a bigger premium for its convertible than Mini does.

As we shall see, a roll-back roof isn't quite all you get for the extra money, but with even entry-level cars being rather costly, the breadth of customers both able and inclined to buy one will naturally be somewhat reduced.

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