Article by:
Dan Edmunds
A question pops into my wife's head about 30 minutes after she climbs into the 2025 Porsche Cayenne GTS: "Does this car make you want to drive faster?" (Oh, no. Here it comes.) But then she continues: "Because I would. I mean, just listen to that exhaust." (Wait, what?) Well, yeah, sometimes I look down at the speedo and find I'm going much faster than I intend to. But do you think that exhaust sound is a bit too much? "No, not at all," she replies. "It's got a good growl."
Sound On
She's right. The new Cayenne GTS has a most excellent growl. It starts when you fire up the car, and it really brings the thunder when you stand on the loud pedal. And unlike the last Cayenne GTS we tested, a 2021 Coupe, this vehicle wasn't equipped with the tuned exhaust that was optional on Coupe back then. No matter. A rorty exhaust is now standard on the 2025 GTS, and it's one reason why the base price has crept up.Matting the throttle now uncorks 86 decibels, as opposed to 82 decibels with the tuned pipes back in 2021. When you're cruising at 70 mph, it still settles into a very civilized 66-decibel hum, just like before.
The extra noise at wide-open throttle just might have something to do with the tweaks to the V-8 engine. It now makes 493 horsepower and 486 pound-feet of torque, which is 40 horses and 29 pound-feet more than the previous version. Changes include a higher-pressure fuel-injection system, electronically controlled wastegates to speed up throttle response, mono-scroll turbos instead of twin-scroll units to increase resistance to higher exhaust temperatures, and a new variable-lift intake cam that improves high-rpm performance while still allowing for mid-rpm fuel economy. Highway fuel economy is up some 3 mpg to 22 mpg. Some of these changes are shared with the new V-8 Cayenne S, but the GTS has been calibrated to run more boost. There are also quicker gearchanges in Sport and Sport Plus modes.
Faster Acting
All of this amounts to superior acceleration times. The new GTS gets to 60 mph in 3.5 seconds, continues on to 100 mph in 9.2 seconds, and completes the quarter-mile in 12.1 seconds at 112 mph. Compare that with the 2021 Cayenne GTS Coupe, which did 60 mph in 3.9 seconds, 100 mph in 10.2 seconds, and the quarter-mile in 12.5 seconds at 110 mph. This is despite that the new model is heavier, measuring 5145 pounds to the old Coupe's 5014 pounds. Read more...
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