The magazine praised a turbocharged four-cylinder from BMW.
Turbochargers pump extra air into engines to boost power. Carmakers charge more for them, promising extra power.
Consumer Reports said a new Ford Fusion with an optional 1.6-liter EcoBoost engine was slower and got lower fuel economy than a Toyota Camry, Honda Accord or Nissan Altima with regular engines.
Ford said it can't speak for Consumer Reports' tests, but its surveys show EcoBoost customers are satisfied with their fuel economy.