I10 is five-door only, which makes the rear seats easier to access compared to three-door rivals. . Hyundai i10 interior space & storage. . Its rear doors open very wide to give good access to the back seats, which can split and fold to increase boot space. when about mileage comes then is good 18.6 kmpl with 1495 cc. Arguably the segment leader, it equals that car on performance and efficiency, and just pips it when practicality is taken into account. The new Hyundai i10 is a very good value for money buy indeed.