Originally Posted by Rootus
I'm pretty sure their point was that if you want exactly the same performance, you'll end up with exactly the same mileage, or worse. In other words, turbocharged smaller displacement engines are not a panacea as some people like to suggest.
That is simply not true.
The point is you stick a driver in a car with a turbo and they drive more aggressively and do not get better mileage. If you drive the same velocity profile you do better on MPG.