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Trademark Filing Hints at a Ford Mustang Sedan
We’ve come close to seeing a Ford Mustang sedan several times in the model’s history, but the project has never materialized. While nothing is official yet, Ford recently added fuel to the four-door bonfire by trademarking the Mach 4 name.
Ford registered the Mach 4 nameplate on February 25, 2025, in the United States, and its application was assigned serial number 99055118. The trademark is pending, meaning it needs to be reviewed by the relevant authorities before it can be approved. Ford told the United States Patent and Trademark Office (USPTO) that it wants to use the Mach 4 name on “motor vehicles, namely gasoline and electric automobiles, pick-up trucks, sport utility vehicles and their structural parts.” While that’s vague, it rules out, say, a sweatshirt.
Enthusiast website Ford Authority speculates that Ford intends to employ the Mach 4 nameplate on a four-door Mustang. This would be distinct from the all-electric Mustang Mach-E crossover, which shares little more than a name with the traditional two-door Mustang. The publication sketches the outline of a Mustang-based sport sedan that would presumably go head-to-head against the four-door version of the new Dodge Charger. If that speculation is accurate, the model could offer rear-wheel drive, a 5.0-liter V-8, and a six-speed manual transmission.
The idea of a Mustang sedan isn’t as new or as controversial as it might sound. Ford has experimented with numerous Mustang off-shoots over the past couple of decades, and several of them had four doors. One was notably unveiled in 1965 and based on the first-generation model. The idea was consigned to the attic, where it collected dust. In 2024, Ford reportedly showed dealers a four-door Mustang named Mach 4 during a closed-door meeting (they were also shown a lifted, Baja-racer-esque coupe).
But even before that, Ford executives had floated the idea of a four-door Mustang.
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“We will never build a Mustang that isn’t a Mustang. For instance, there will never be room for a small, two-row Ford SUV with a Mustang badge stuck on it. But could we do other Mustang body forms — a four-door or whatever? I believe we could, as long as these models have all the performance and attitude of the original,” Ford CEO Jim Farley told British magazine Autocar in May 2024. Was the Nürburgring lap record set in December 2024 a way to lay the foundations of a Mustang sub-brand? Ford has doubled down on enthusiast cars in the past couple of years, and there’s a ton of equity in the Mustang name.
But what if Ford Authority is wrong? What else could Mach 4 stand for? Another possible answer is all-wheel drive, which the Mustang has never offered. The notion that rear-wheel-drive is the only proper way to make a sports car is losing ground; even the BMW M3 is available with all-wheel drive, and the new Charger is only all-wheel-drive. We think demand would be there, though it probably wouldn’t be huge, but whether the Mustang’s platform can be configured with all-wheel drive is an entirely different story.
As always, bear in mind that a trademark application doesn’t guarantee that a nameplate will end up in showrooms. Sleuthing through trademark requests can, however, offer an accurate look at how a company is thinking about its product pipeline. Applications can be duds, though. Carmakers routinely trademark names that they think they might use or that they’d rather not see on a competitor’s car. Ford might launch a four-door Mustang Mach 4 in the not-too-distant future, or it might simply want to ensure that, say, Honda doesn’t introduce a car named Mach 4. The company hasn’t commented on the trademark filing.
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Ford has done a few high performance four doors…the Focus ST and RS for example. They can certainly be done, the issue is an established and very strong brand that means something in most everyone’s “mind’s eye”, and it isn’t a four door anything. Having said this, and I believe this has been said already in these responses, if Ford is going to make a four door performance vehicle, call it something else. I’m sure that they have a treasure trove of legally protected names in their collection that they can use…maybe even Mach 4. Just don’t call it a Mustang fro heaven’s sake!
As an owner of a 2024 S650 Mustang, you are not getting 4 doors or passengers in the back without at least a 8 inch wheelbase stretch. I vote 4WD. That would open the door for a factory supercharger option.
As the photo above shows, Ford conceited a 4-door Mustang 60 years ago. I suspect someone realized that all they’d done was stick a pony logo on the front of a Falcon.
Going the way of the Thunderbird. Starting as a two door sporty car and ending with lead sled.
Sad that automakers dilute and destroy brands all in the name of a few extra bucks. American automakers are the worst offenders, and rather clueless. Looking forward to seeing the new Corvette minivan.
I saw a render of the a 4dr Stang on Hot Cars, that thing actually didn’t look that bad. The new Mustang is butt ugly imo, especially the rear end but somehow it didn’t look as bad to me in a 4dr. If it was an awd 4dr, then I might actually have to give it a chance. I live in MN, so the only way I’m daily driving a Mustang is if it’s awd. Honestly, I like the name Falcon better though. Guess we’ll see what happens? They don’t really care what we think, they obviously went ahead with the EV Mach E and Ford Lightning, which as a gen 2 owner I hated the idea of at first. I’m keeping for SVT Lightning forever so I don’t care that much what they do. If I like it, ill buy it, if not, I won’t.
I mean really, who cares? At this point if you like the car buy it, or not because big corporations do not actually care about die heads. As much as I love purity, it’s outdated, and it’s all what sells the most with the lowest risk. They’re going to kill off the two door at some point anyway, as well as the ICE variants.
Utility sells. Two doors don’t any more, and no layman (along with all the sheeple) is going to be tempted by calling a four door variant a legacy name like Falcon.
Mustang does not conjure four-door. Perhaps… “Plow Horse”.
Marauder is the foor door ! Keep it that or galaxi or four door fairmont with a 5.0 motor is a ford name that had a V8
why not bring the falcon back if they are that bent on going broke. what is it 5,000,000,000 they are in the red now. How about the maverick?
They already built a Mustang 4-door sedan. It was called a Falcon and later a Fairlane.
And when can we expect to see Mustang station wagons?
Mustang trucks? Mustang baby wipes???
C’mon Ford you cant save your company by calling everything that rolls out of your factories “pony cars”
you ruined the name enough calling that ugly 4 door electric bastard
Mustang.
Porsche did 4 doors on an icon and made me want one. Stretch it ,add the doors then make it perform. Half price of the Porsche. Why not!
I’d prefer them to simplify the mustang (at least the base version) so that it is more readily repaired and modified. Mustangs used to be cheap, simple and relatively quick, but perhaps there’s no money in cars like that anymore.
“We will never build a Mustang that isn’t a Mustang.” You already did and called it the Mustang Mach-E.