2025 Ford Mustang RTR Spec 5 Is an 870 HP Monster: Video

2025 Ford Mustang RTR Spec 5 Is an 870 HP Monster: Video

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2025 Ford Mustang RTR Spec 5

For half the cost of a GTD, one can get a more potent 2025 Ford Mustang RTR Spec 5 that’s equally rowdy – and equipped with a manual!

The Ford Mustang GTD has commanded much of the pony car spotlight in recent months, and for good reason – we are talking about the most capable version of that iconic model to ever exist, one that offers up supreme track performance rivaling the very best the rest of the world has to offer. However, the GTD isn’t exactly something that anyone can get – rather, you have to be approved to buy one, and have at least $325,000 to spare. For those that can’t meet those requirements, well, there is one interesting alternative – the new 2025 Ford Mustang RTR Spec 5.

The 2025 Ford Mustang RTR Spec 5 debuted not too terribly long ago as the latest top-dog offering from the familiar third-party company, complete with wide bodywork, adjustable coilovers, massive Brembo brakes, and – of course – a supercharged, fortified version of the 5.0-liter Coyote V8. In this guise, that motor churns out a GTD-busting 870 horsepower and 660 pound-feet of torque – and in this case, it flows to the wheels via a six-speed manual transmission, something that you can’t get in that range-topping pony car.

2025 Ford Mustang RTR Spec 5

In this new video from the YouTube channel That Dude in Blue, we get to see David Patterson take the new Ford Mustang RTR Spec 5 for a proper spin, and needless to say, he comes away rather impressed – calling it an “absolute animal” right off the bat. It sounds simply incredible, and just scoots down the road in short order.

2025 Ford Mustang RTR Spec 5

Power is, as one would expect from the Coyote, even more plentiful at the top of the RPM range, when the car just keeps pulling like a freight train until it hits the red line.

2025 Ford Mustang RTR Spec 5

In spite of all that, Patterson notes that the Ford Mustang RTR Spec 5 is still quite “natural to drive” in normal circumstances, with clutch that’s “extraordinarily easy” to operate, and isn’t too “grabby” like a lot of aftermarket units. Thanks to its massive rear tires, the Spec 5 also manages to get its copious amounts of power to the ground without too much drama either, though it’s still easy to light ’em up if one so desires.

Ultimately, Patterson says that the 800+ horsepower RTR Spec 5 is “laughably easy to drive,” which is not something that we’d generally expect from such a machine. Obviously, one can still get in a lot of trouble if they don’t respect that power, but it’s a finely engineered piece, regardless. “RTR, with this. car, truly feels like they have taken it to the next level,” Patterson concludes, and it does so at a GTD-busting price tag of right at $160k, to boot.

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Brett Foote has been covering the automotive industry for over five years and is a longtime contributor to Internet Brands’ Auto Group sites, including Chevrolet Forum, Rennlist, and Ford Truck Enthusiasts, among other popular sites.

He has been an automotive enthusiast since the day he came into this world and rode home from the hospital in a first-gen Mustang, and he's been wrenching on them nearly as long.

In addition to his expertise writing about cars, trucks, motorcycles, and every other type of automobile, Brett had spent several years running parts for local auto dealerships.

You can follow along with his builds and various automotive shenanigans on Instagram: @bfoote.


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