The new Mazda3 debuts in the United Kingdom in hatchback form with a starting price of £13,495 until March 31 (special offer) and £14,995 afterwards. The entry-level model is powered by a 1.6-liter petrol unit able to deliver 104 horsepower and return a combined fuel economy of 44,1mpg UK. A more powerful 2.0-liter with 149