The 2007 Mazda MX-5 i is a stylish convertible with a 1.8L petrol engine. This model offers a fun driving experience. With a fuel economy of 39 mpg, this Mazda MX-5 is more economical than similar vehicles. It also falls into a low insurance group, meaning it could be cheaper to insure than other cars. Furthermore, its low CO2 emissions mean it is kinder to the environment.