I would probably stay far away from a turbo 4 cylinder after my previous experiences with them. If all you're doing is stoplight to stoplight driving its probably just fine but putting one out on the open road with a lot of hills is a killer. Larger NA engines deal with it well, small turbocharged engines...not so much. Sadly this is all coming from a fuel economy standpoint, not a standpoint of what it costs to operate, properly maintain, and repair over the engines service life.
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