In this Under the Hood installment, we look at Hyundai’s updated 1.6L “Gamma” turbo-4 in the Sonata Eco. It may be balky off the line, but editors call it quiet, smooth and plenty powerful, even in Eco mode. Sport mode is more fun.
On paper, one might expect this engine to feel underpowered and sluggish in a midsize cars such as the Sonata. But a number of editors have driven it as part of Ward's 10 Best Engines, and their reviews are favorable. To date, the car has...