This 870-HP Mustang is wild but the dark horse is all the muscles you need

This 870-HP Mustang is wild but the dark horse is all the muscles you need

6 minutes, 6 seconds Read

RTR vehicles, a well-known aftermarket tuner from Ford vehicles, has unveiled his latest view of the seventh generation Mustang. This particularly powerful pony is called the RTR spec 5 and has 870 hp and 660 pound-foot torque. The engine it uses is the same 5.0-liter V8 in the Mustang GT, but a gigantic 3.0-liter Whipple Supercharger, HD Race Intercooler system and Borla Cat-Back Exhaust An extra 390 hp.


403-1-1.Png

Base Trimmotor

5L V8 ICE

Base -trim transmission

Tremec 6-speed manual

Basic trim drive

Rear -wheel drive

Basic Trim PK

500 hp @5000 rpm

Base -Trim couple

418 LB.-FT. @ 4900 tpm

Base Trim Fuel Economy (City/Highway/Combined)

14/22/17 MPG

Basic battery type

Lead acid battery

To make

Ford

Model

Mustang Dark Horse



Although it might be a beast on the road and an absolute piece of Eye Candy, there are other modified Mustangs, as well as a factory-upgraded variant, the Dark horsethat in the case of the dark horse costs much less than the very expensive RTR-Spec 5. Let’s look at some powerful ponies and determine whether the upgrades and skills of the RTR are worth the premium compared to other remarkable performance variants.

To offer the most accurate and up-to-date information, this item uses data from various manufacturers and authoritative sources.

The RTR Mustang Spec 5 has more than just an improved power plant

2026-Mustang-RTR-Spec-5-18
2026 RTR Mustang spec 5 for 3/4 Scot
RTR

Fortunately, RTR continued to change the rest of the car so that it could keep track of the engine. The spec 5 has its own 30-way adjustable front coilovers and rear dampers, height-adjustable sources and adjustable swing staves front and rear. The new 20-inch forged aluminum wheels wrapped in Michelin Pilot Sport 4S tires also hide a new Brembo brake system with two-part rotors and six-piston calipers in the front.

2026-Mustang-RTR-Spec-5-19.JPG
2025 RTR Mustang spec 5 Rear 3/4 Scot
RTR

In terms of styling, the spec 5 is one of the more unique aftermarket-Mustangs with ultra-wide rear fenders, bumper extensions and composite rocker panels. The grid lights up and the hood is also ventilated. RTR has also used generous carbon fiber in places such as the front splitter and side skirts. The inside is now reasonably stock, although the remarkable cabinet additives include:

  • RTR brand Recaro seats

  • A new tear -shaped shifter

  • A serialized dashboardplaque

  • Electronic driftrem

  • RTR floor mats

2026-Mustang-RTR-Spec-5-13.jpg
2026 RTR Mustang spec 5 front seats
RTR

RTR requires a dear price for the privilege of ownership. The spec 5 starts at $ 159,999, which is $ 113,439 more than the Mustang GT on which it is based. It is even $ 95,619 more than the 500 hp Mustang Dark Horse. Perhaps the only positive news in the field of prices is that the spec 5, how expensive, costs considerably less than the Mustang GTD, a racing-car-for-the-way that has a basic price of $ 327,960.

The spec 5 is one of the many aftermarket Mustangs

Ford Mustang Hennessey Super Venom Burnout
Ford Mustang Hennessey Super Venom Burnout
Hennessey

If you think the new RTR Mustang is a unicorn, this is not. There are a number of aftermarket Ford tuners who make their own version of the current Mustang with ridiculous power and quilted price tags. For example, the Hennessey Super Venom Mustang uses the same formula as RTR to reach 850 hp and 650 pound-foot torque of the V8 of the base car. It also has a Hennessey-specific body kit with a lot of carbon fiber. And it costs $ 149,950, about $ 10,000 less than the spec 5.

Shelby’s name has a lot of weight in the Mustang Multiversum

2026 Shelby Super Snake R Front 3/4
2026 Shelby Super Snake R Front 3/4
Shelby

The Shelby Super Snake R also has 850 hp thanks to supercharging, but it uses the Dark Horse Mustang as its donor car instead of a standard GT. Wide body kit? Account. New suspension? Account. Cat-back exhaust? Account. All the same upgrades are here, although Shelby $ 224,995 early for the Super Snake R when reservations were still open.

Saleen is also a well -known Mustang -Tinker with decades of models

2024 Saleen 302 Mustang Black Label in a parking lot
2024 Saleen 302 Mustang Black Label in a parking lot
Saleen

Finally, Saleen sells its own modified version of the Mustang, but in three flavors. The white label model starts at $ 71,065 and increases the power of the 5.0-liter V8 from 450 to 490 hp. The yellow label starts at $ 93,155 and has 775 hp. The black label now goes for $ 125,075 and offers 850 hp. It is clear that this last competes with the RTR -Spec 5.

Dude, just buy a Mustang Dark Horse

2025 Ford Mustang Dark Horse Detail
2025 Ford Mustang Dark Horse Front 3/4 Scot
Top Speed ​​| Michael Frank

A good thing can be made that you have to skip all this aftermarket -Mustangs and stay with a factory model that can meet your needs. Although you may think that we are talking about the Mustang GTD with his 815 hp and price tag with six digits, we are not. The GTD is a few hundred thousand dollars more than this aftermarket options with more than 800 hp, and most of them have already been collected by collectors.

No, we are talking about the Mustang Dark Horse. With 500 hp of the venerable Coyote V8, it has more than enough power for Shenanigans within the safe and legal limits of the public roads. Ford quotes a 0-60 time of 4.1 seconds, but we think that is conservative, and the dark horse can certainly dive into the three. It also starts at just $ 64,380, which is less than half the costs of most of these custom Mustangs.

I noticed that I hit triple figures without trying, and 70 mph scraped at Redline in the second gear.

– Michael Frank, top speed journalist

OEM -Dealer connections remain intact

2025 Ford Mustang Dark Horse Cabin
2025 Ford Mustang Dark Horse Cabin
Top Speed ​​| Mark Miller

You also have the peace of mind that a real Oem of the car has developed the dark horse, so that millions of dollars and the brain of hundreds of engineers in the task of creating it. Aftermarket companies do not have anywhere near the same amount of resources. They also tinker with accurately manipulated components that have been developed to work together in harmony, so that may introduced failure points that have not been there before.

The Mustang Dark Horse is one of our favorite Mustangs of all time. It ties on the heels of Supercars while it is considerably more feasible and easier to live with, but it is also special than a normal EcoBoost or GT model. We hardly miss the old Mustang GT500 and GT350 models with the dark horse nearby.

Top Speed’s Take: The Mustang is an American support pillar

Ford deserves the honor of never giving up the Mustang. It has been produced without interruption since the debut in 1964, which cannot be said of the Camaro. Chevy killed its iconic muscle car twice, including the most recently in 2024. We are still waiting for the return and praying that it is not electric when it finally arrives.

Similarly, Dodge recently killed the Challenger and replaced by the Electric Charger Daytona. Yes, there will be a gas-driven charger, but it will be powered by a Twin-Turbo V6 and no V8 … at least not yet.

However, Ford has never stopped selling the Mustang. And while the Mustang Mach-e has disturbed some feathers, no one is confusing electric SUV for a real Mustang. No, Ford has been held on a formula with the Mustang: V8, rear -wheel drive and an available transmission manual transmission. Variants will come and go, both from Ford and the army of aftermarket companies that earn a living it adjusts, but the original recipe will always remain.

Source: RTR vehicles

#870HP #Mustang #wild #dark #horse #muscles

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