2018 Porsche 718 Boxster is at its best in GTS form

The GTS is the range-topping version of Porsche's 718 Boxster.

Its turbocharged 2.5-liter flat-four engine produces 365 horsepower and 317 pound-feet of torque with the seven-speed dual-clutch transmission.

You can also get a six-speed manual transmission, but the torque lowers to 309 pound-feet.

With the PDK seven-speed, the 718 Boxster GTS will sprint to 60 miles per hour in 3.9 seconds.

If you get the manual, the 0-60 run will take 4.4 seconds.

In addition to the Boxster, Porsche also gives the hardtop 718 Cayman the GTS treatment.

GTS models get Porsche's PASM suspension as standard, which lowers the car by 10 millimeters.

GTS models also get larger 13-inch front brakes from the Porsche 911.

Pricing for the Boxster GTS starts at $81,900.

Keep scrolling to see more photos of the 2018 Porsche 718 Boxster GTS from our first drive in Napa, California.