Hennessey H850 Mustang Dark Horse Lays Waste to BMW M8 Competition

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Hennessey H850 Mustang Dark Horse vs BMW M8 Competition

Even though it’s allegedly slower on paper, the Hennessey H850 Mustang Dark Horse has no problem dispatching this BMW M8 Competition. 

Back in May, Hennessey Performance revealed its latest Blue Oval-based upgrade, the H850 package for the new-for-2024 Ford Mustang Dark Horse. As is usually the case, this new model features a handful of exterior and interior upgrades, but most notably, it gets a big power boost under the hood – one that adds a whopping 350 horsepower to the range-topping pony car, resulting in what promises to be incredible performance from the Hennessey H850 Mustang Dark Horse. In this recent video from the tuner itself, that much is on clear display.

In this clip, we get to see the Hennessey H850 Mustang Dark Horse take on the newest BMW M8 Competition, which packs a a twin-turbocharged 4.4-liter V8 underhood that makes 617 horsepower and 553 pound-feet of torque flowing to all four wheels via an eight-speed automatic transmission. With a curb weight of over 4,000 pounds and a price tag of around $150k, the M8 Competition is heavy and expensive, but it also rockets to 60 mph in just 2.5 seconds, and down the quarter-mile in just 10.7 clicks.

Hennessey H850 Mustang Dark Horse vs BMW M8 Competition

In the other lane, we have the Hennessey H850 Mustang Dark Horse, which has received a bevy of upgrades for its stock 5.0-liter Coyote V8. Those include a supercharger, a high-flow air induction system, upgraded fuel injectors and fuel pump, and Hennessey’s own engine management system. The results of those upgrades are undoubtedly impressive – the H850 churns out 850 horsepower and 650 pound-feet of torque compared to 500/418 for the stock model, which drops its 0-60 time from 3.7 seconds to 3.2 with the 10-speed automatic, while the quarter mile goes from 12.0 seconds to 10.9

Hennessey H850 Mustang Dark Horse vs BMW M8 Competition

As most have already seen, that’s slower than the M8 Competition on paper, even in spite of the H850 Dark Horse’s massive power advantage, even though the Mustang weighs a couple hundred pounds less. However, in this real-world race, the script is flipped altogether. While the BMW gets off the line quicker thanks to its all-wheel-drive system, the Dark Horse rockets past it shortly thereafter and claims a big margin of victory by the time it reaches the finish line.

Even better, the Hennessey H850 Mustang Dark Horse is cheaper than the BMW M8 Competition, as the package itself starts out at $24,950 – which, combined with the car’s base price of $58,935, results in a total of $83,885. This particular example has some other options such as the Heritage Graphics package that raise the price to $100k, but it’s still far and away cheaper than the M8 Competition – not to mention notably quicker.

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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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