Time and time again, the McLaren 720S has proven to be a formidable hypercar slayer. A few weeks ago, we watched in awe when a stock McLaren 720S defeated a modified Ford Mustang Shelby GT500 with 800 hp on tap. Now, McLaren's mighty Super Series comes up against a 992-generation Porsche 911 Turbo S Cabriolet, one of the fastest sports cars currently on sale, in a series of drag races.

In stock form, the Turbo S Cabriolet produces 640 hp and 590 lb-ft from a twin-turbocharged 3.8-liter flat-six, which is sent to all four wheels through an eight-speed dual-clutch transmission. For comparison, the McLaren 720S has a 4.0-liter V8 producing 710 hp and 568 lb-ft of torque, paired with a seven-speed automatic that sends power exclusively to the rear wheels.

This is no stock 911 Turbo S, however, as the sports car been upgraded with new downpipes and a tuned ECU to give it some extra grunt. While the power output wasn't revealed, these modifications should give it a better chance of taking on the 720S in a quarter-mile drag race. But as we can see in the video, the 720S consistently beats the 911 Turbo S by a significant margin.

In the first drag race, the McLaren 720S rockets past the quarter-mile line in 9.98 seconds at 144.27 mph, followed by the 911 Turbo S in 10.87 seconds at 134.87 mph. In the second run, the 911 Turbo S was slightly faster with a quarter-mile time of 10.68 seconds at 134.78 mph.

This wasn't enough to defeat the 720S, however, which did the same run in 9.83 seconds at 145.44 mph. During the final run, the McLaren 720S completed the quarter-mile in 9.82 seconds at 142.28 mph, whereas the 911 Turbo S did it in 10.48 seconds at 134.97 mph. However, with added race gas and a lighter driver the 911 Turbo S managed to do a sub-ten second run, completing the quarter-mile in 9.91 seconds at 138.97 mph during a separate run.

In truth, the 911 Turbo S didn't stand a chance since it has a higher curb weight of 3,680 pounds compared to the lighter 720S, which tips the scales at 3,180 pounds, but it still put up a fair fight against the more powerful and more expensive McLaren.