I own a 2012 Equinox with the 2.4L Ecotec engine that I like a lot. I have 41,000 miles on the vehicle (low mileage; 6150 miles per year). It doesn't use oil or make bad noises. I get my oil changed ...

The popularity of various engine designs typically fades over time as technological advances provide more power, better fuel economy, or both. Flathead designs gave way to overhead valves, and inline ...