Muscle cars dominate New York Auto Show - CNBC

By comparison, the new Mercedes-Benz S63 AMG AMG 4Matic Coupe might seem a relative bargain. Actually, the German maker hasn't yet set a price, though the 2015 model is expected to come in a fair bit above the price of the ultra-luxury performance car it replaces, the old CL63 AMG commanding a "base" $154,000.

For the money, the S63 Coupe will be making 577 horsepower, or 97 more than the DTM-class race car Mercedes fields. And it produces a full 664 pound-feet of tire-spinning torque, 31 more than the typical entry into the NASCAR series this year. That will be enough to propel it from 0 to 60 in 3.9 seconds, despite its heft, and a top speed in the neighborhood of 200 miles an hour.

Of course, a Mercedes has to deliver more than just straight-line acceleration, so the S63 Coupe introduces a new technology dubbed Curve Tilting Function, which "leans into curves like a motorcycle rider or skier," explained Tobias Moers, CEO of the maker's performance division, AMG. Meanwhile, the big coupe has plenty of more traditional luxury accoutrements, including seats that can deliver a "hot stone-like" massage.

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Mercedes' rival German maker BMW had so many new products to debut during this past week's auto show media preview that it could barely get through the list. And most put a premium on performance, including the new B6 Gran Coupe and the M4 Convertible.

Meanwhile, the New York Auto Show saw the introduction of a new, performance-oriented brand. Make that the return of a once-familiar marque, Alfa Romeo, which is re-launching a U.S. sales channel for the first time in two decades.

Curiously, Alfa opted not to stage an official press conference during the show's media preview, but officials were on hand to discuss the new 4C sports car that will herald the brand's return. The car's mid-mounted 4-cylinder engine, at just 1.7-liters displacement, is smaller than what you might find in some current economy cars, but turbocharging boosts its output to a solid 237 horsepower. And while that might not seem like much compared to other muscle cars on display in the Big Apple, it's plenty for a vehicle weighing in at barely 2,000 pounds and which can launch from 0 to 60 in just over 4 seconds.

Now, the 2014 NY Auto Show isn't limited to just muscle cars. There are plenty of more sedate offerings on display, such as the new Honda Fit subcompact, the all-new Hyundai Sonata, and the updated Toyota Camry.

But even mainstream makers are trying to put more passion into their products something Toyota CEO Akio Toyoda describes as "waku-doki," in Japanese. The new 2015 Camry will now offer a sporty upgrade for its hybrid model, explains U.S. brand boss Bill Fay, because even green-minded motorists want a little fun while driving.

In fact, a number of new green machines are getting sportier performance in a bid to boost demand. BMW's new "i" battery-based brand-within-a-brand is showing off not only the fully-electric i3 city car but also an upcoming plug-in hybrid sports car, the i8.

And then there's Porsche which, countering perceptions, has been adding an assortment of hybrids and plug-ins to its model mix. That includes the new 918 Spyder, a track-ready plug-in that will produce a combined 887 horsepower, enough to launch to 60 in just over 3 seconds, while yielding an EPA-estimated 78 mpg. Of course, at a price tag of $845,000 it might take a while to recover your investment through the savings on fuel.