Quote:
Because the SS is powered by an LS3 V-8 instead of the Corvette’s new LT1 engine, GM’s newer technologies—variable cam timing, direct fuel injection, and cylinder shutdown—don’t live here. As a result, the EPA brands the SS a gas guzzler and adds a $1300 tax to the $44,470 window sticker.
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And that's a disappointment but I understand GM did it for cost and having better MPG isn't required until a few years later.