And with engine size it depends what do u want?? Is it fuel consumption efficiency? Or horse power?? Kama ni fuel economy go for 1SZ, kama ni more horse power/torque ili ume una overtake kwa raha go atleast for 2SZ au zaidi 2NZ... Unless otherwize uzima au ubov wa engne ni wewe mwenyewe utavojali afya ya engine..