An updated Porsche 911 GT3 arrives for the 2018 model year with some substantial updates.

Published:Caption:Photo:Nick Miotke/Roadshow

To please enthusiasts, Porsche once again offers the GT3 with a manual transmission. Previously, a seven-speed dual-clutch gearbox could only be equipped on the GT3.

Published:Caption:Photo:Nick Miotke/Roadshow

A bigger 4.0-liter boxer six-cylinder engine is also among the updates for 2018 with 500 horsepower and 339 pound-feet of torque.

Published:Caption:Photo:Nick Miotke/Roadshow

Aerodynamic upgrades such as larger front fascia intakes, underbody panels, larger ram air scoops and a taller rear wing help the GT3 get around race tracks quicker.

Published:Caption:Photo:Nick Miotke/Roadshow

A new Michelin Pilot Sport Cup 2 tire is also part of the 2018 model year updates to the GT3.

Published:Caption:Photo:Nick Miotke/Roadshow

Features such as an adaptive suspension and rear-wheel steering also remain part of the 911 GT3 package for 2018.

Published:Caption:Photo:Nick Miotke/Roadshow

According to Porsche, the manual-equipped GT3 can hit 60 miles per hour in 3.8 seconds.

Published:Caption:Photo:Nick Miotke/Roadshow

With the manual, the GT3 covers the quarter-mile in 11.6 seconds.

Published:Caption:Photo:Nick Miotke/Roadshow

The GT3's stock steel brakes with six-piston front and four-piston rear calipers clamping down on two-piece cross-drilled discs provided fade-free performance during an entire day on track.

Published:Caption:Photo:Nick Miotke/Roadshow

The 2018 Porsche 911 GT3 starts at $146,350, which includes $1,050 destination and $1,700 gas guzzler tax.

Published:Caption:Photo:Nick Miotke/Roadshow

Scroll through to see more of the 2018 Porsche 911 GT3.

Published:Caption:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow

Published:Photo:Nick Miotke/Roadshow
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