While the rest of the 911 lineup went with turbocharged engines, the GT3 stayed the course with its new 2018 model.

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The 2018 GT3 relies on a new 4.0-liter flat-six, which puts out 500 horsepower and 339 pound-feet of torque.

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The new engine is based on the one Porsche now uses in its 911 racecars, including the mid-engine RSR.

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Buyers can opt for a seven-speed dual-clutch transmission or a good ol'-fashioned six-speed manual.

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Standard performance equipment includes rear axle steering, which moves the rear axle either with or against the front axle to reduce turning angles and boost high-speed agility.

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Dynamic engine mounts minimize drivetrain vibration, while a locking rear differential helps maintain rear-wheel traction -- no all-wheel drive here, folks.

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While it is a new GT3, it doesn't look too much different than the old one.

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There's a new spoiler and diffuser, as well as a new front fascia.

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The interior borrows its steering wheel from the 918 Spyder hypercar, and standard sport seats feature enough bolstering to keep even the slimmest of drivers in the seat.

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The 2018 Porsche 911 GT3 goes on sale this fall. The MSRP is $143,600.

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