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The 15 Most Powerful Naturally Aspirated Cars for Sale

Who needs forced induction?

ManufacturerphotographerPatrick M. HoeyphotographerConner Goldenwriter

The age of "all-motor" is coming to a close. From the highest echelons of supercars, down to the lowest entry-level compacts, turbocharged powerplants are now the norm. Still, there are a few naturally aspirated holdouts, with ultra-responsive free-breathing mills that still push out impressive amounts of power. Here are the 15 most powerful naturally aspirated cars in 2015. As usual, we stuck to cars that are on sale now, or will be on sale by the end of the year. Also, we stuck to our usual rule of "one engine, one car," so don't expect to find a list full of cars sharing the same engine.

Another hybridized hypercar, the Porsche 918 Spyder launches at unimaginable speeds thanks to a combination of electric motors and a naturally aspirated V-8 engine. While the electric motors contribute 279 hp, the 4.6-liter V-8 spins out 608 hp for a combined total of 887 hp, enough to slaughter the Nürburgring in under seven minutes.

There is nothing quite like the range-topping Aston Martin sports grand tourer. The looks are peerless, the speed is tremendous, and the sound from the Vanquish's 5.9-liter, free-breathing V-12 is wonderful. The Vanquish makes a loud statement with 568 hp, and a top speed just north of 200 mph.

7.0-liter V-8, 505 hp

Although the new 2016 Camaro is right on the horizon, the Chevrolet Camaro Z/28 continues to be sold for the 2015 model year. The track-special musclecar rips around tracks so so ferociously that GM engineers had to roughen the exterior of the actual wheel rim to prevent the special Pirelli tires from slipping around the wheel. It's no surprise it makes the list, with a 7.0-liter V-8 producing 505 hp and 481 lb-ft of torque.

The 2016 Porsche 911 GT3 RS might have one of the smallest engines on this list, but that also makes it the sweetest, with an extraordinarily high-revving nature. The 4.0-liter flat-six engine pushes out 500 hp and 338 lb-ft of torque, all with a lofty 8,800 rpm redline. This, coupled with exposed carbon fiber, Alcantara trim, and racing seats will have you living out your deepest motorsports fantasies.

With its reputation for luxury and comfort, it may seem strange to see a Lexus on this list. Still, times are changing, and the V-10 wail from the bygone LFA is still ringing in our ears. The 5.0-liter V-8 found under the dramatically styled hood of the RC F puts out an impressive 467 hp, enough to give the Lexus sports coupe a fighting chance in the ring.