[onewhippedpuppy]

Here's the article: Consumer Reports finds small turbo engines don't deliver on fuel economy claims

Lots of holes in their argument, which is essentially that Consumer Reports did not obtain the EPA MPG in their testing with turbocharged 4-cylinder engines. The EPA testing is strictly defined and government regulated to provide an apples to apples comparison of every vehicle. Consumer Reports testing is? I seriously doubt their testing is anywhere near as rigorous and repeatable as the EPA testing, pretty convenient that they in no way define their MPG test procedures. As we all know there are many factors that contribute to gas mileage, their data seems coincidental at best.

Having had several turbocharged 4-cylinders that delivered great performance and great MPG, I know it is certainly possible. My 1993 Saab 9000 Aero had 220 HP stock, and even after equipping it with a manual boost controller I could get 35 MPG on the highway from its 2.3L 4-cylinder. Great car......