The turbo petrol engines have gone even smaller than you describe. Ford sell a Mondeo (large family car) with a 1 litre, 3-cylinder engine. I have the next mod

The turbo petrol engines have gone even smaller than you describe. Ford sell a Mondeo (large family car) with a 1 litre, 3-cylinder engine. I have the next model up, a 1.6L 4-cylinder. It is quiet to drive and has good fuel economy.