12 MONTHS RAC MEMBERSHIP, 6 MONTHS RAC NATIONAL PARTS/LABOUR WARRANTY AVAILABLE. 12 MONTHS RAC NATIONAL PARTS / LABOUR WARRANTY AVAILABLE. This particular model stands out with its impressive fuel economy of 57 mpg, meaning lower running costs compared to similar vehicles. Furthermore, its low insurance group makes it an economical choice for a wide range of drivers, especially those seeking to minimise their insurance premiums. The Nissan Micra Acenta offers a blend of practicality and efficiency.