Quote Originally Posted by jut703 View Post

But to answer the questions..the Mirage is a much more modern engine compared to the old Vios' engine that has been around since the 90s. A decade's worth of advancements surely helps both power and economy.
A bit OT, but is the Vios' engine really that old? And it's related to the Corolla's engine as well. So Mitsu's 3A92 and 4A92 engines are more advanced that Toyota's ZZ engines?