The auto industry has done a great job at instilling to the general public that Turbo>No Turbo. In the end the only advantage this engines have over a N/A engine of a similar power rating is low end grunt.
They are not more efficient ( a lot of reasons including massive increase exhaust backpressure, needing richer mixture, and lower CR), they cost more, have more reliability problems, and are more expensive to maintain.
The engine was never the problem, and is this year their strongest point in a otherwise very poor package.
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