If your high school science teachers were any good, at some point they described the inner workings of the scientific method. You may recall that this involves something about designing an experiment to test a hypothesis. On a sunny spring day, our experiment involves cranking through the Texas Hill Country in the recently released BMW 650i coupe and a fully-loaded version of the Nissan 350Z coupe called the Grand Touring. We’re about an hour into the test, and frankly our hypotheses are taking a beating.
Before discussing hypotheses, we need to mention that we’re thrilled that the 6-series BMW is back. The idea of the 6-series is tough to resist: sleek, powerful, roomy enough for a long trip, small enough to be agile, and full of BMW engineering. You can argue whether the new 650i fulfills the sleekness mandate (we’d say, close but no cigar). But any qualms are quickly forgotten when you consider the combination of the 650’s new 4.8 liter V-8 matched to a 6-speed manual transmission.
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