In Portugal and Greece, the MINI One is powered by a 1.4 litre version of the Tritec engine but all other petrol powered MINIs use the 1.6 litre version.Since 2004, a soft-top convertible option has been available across the entire range.There are numerous styling and badging differences between the models, perhaps the most obvious being that the Cooper S has a distinctive scoop cut into the bonnet. The Cooper S also has twin exhausts which exit under the center of the rear valance. The (non-S) Cooper has more chrome parts than the MINI One and has a single exhaust. The MINI One D has no visible exhaust pipes at all.[8]In some markets, such as Australia and the US, only the MINI Cooper and Cooper S are sold because the MINI One's engine was considered to deliver insufficient power to run an air conditioner — a necessary feature in those climates. Almost fifty percent of all MINIs sold in Australia and about seventy percent of those sold in the US are the top-of-the-range Cooper S...