If you're a keen reader of this magazine, you might have noticed two Easter eggs we placed in the November 2013 issue, "hidden" on a one-page addendum to our annual Best Driver's Car feature. There, nestled among a long list of 70 lap times we'd recorded at Mazda Raceway Laguna Seca, were two that, for all intents and purposes, had no business being there (partly because we printed incorrect times for both). We hadn't covered the cars prior-at least not together-so you probably thought, "I don't recall a track test on the Audi RS 5 and Mercedes-Benz C63 AMG 507." Well, no need to recall a thing, as voila! the wait and confusion are over. We meant to run this comparison a while back, but we took the Audi on, how should I say it, a bit of a "field trip," so we had to hold tight till we got a replacement. (Sorry, Audi!) Thus, the lap time is from our initial 2013 RS 5 loaner, while the test numbers reflect a subsequent 2014 vehicle. (There are no notable differences between the model years.) Without further ado, let's meet the players.
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