See the difference between the Porsche 911 GT3RS and the regular GT3 in this series of quarter-mile drag races.

There are many versions of the Porsche 911, but the GT3 is supposed to be the best one that doesn’t have a turbocharger. The GT3 came out in 2015, then Porsche brought us the GT3RS in 2017 which is even more focused on extreme performance.

The GT3 came out with a sticker price of $185,000, while the GT3RS cost an extra $40,000 on top of it. For the money, you get a carbon fiber hood, bucket seats based on the Porsche 918, lightweight door handles, and a complimentary Club Sport Package which installs a roll cage, battery master switch, and a 6-point safety harness with fire extinguisher.

Both cars have the same 4.0-L flat-six, but with the GT3 having 500 hp and 339 lb-ft of torque and the GT3RS 520 hp and 345 lb-ft. Both have the same 7-speed dual-clutch transmission pumping power to the rear wheels, and very close zero to sixty times.

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All the GT3RS’s weight savings are countered by the added weight of a roll-cage, which means both cars still weigh the same at 3,153 lbs.

So is that extra 40 grand worth it? Let’s find out thanks to DragTimes.

In our first race, the GT3 is actually the car with the better start and manages to maintain its lead all the way to the finish line. The same thing happens in the second race, with the GT3 getting a better start and maintaining its lead to the very end.

This seems to make it look like the GT3RS isn’t worth the money, but not so fast. Although the regular GT3 won the race, the GT3RS is still technically faster. The final times were 10.85 seconds for the GT3RS and 10.965 seconds for the regular GT3.

The GT3RS is also the more track-focused car, so if you want to race it on the regular, the extra money might be well spent.

NEXT: CHECK OUT A HALF-MILE DRAG RACE BETWEEN A FERRARI 488 AND A MCLAREN 720S