Forza Horizon 6 has already built an impressive roster of vehicles, but recent community discoveries suggest the garage could become even more exciting in future updates. Dataminers have uncovered evidence pointing toward more than 20 additional cars that may eventually join the game, sparking discussions across Reddit and other Forza communities. While many players are busy earning Forza Horizon 6 Credits to prepare for future vehicle releases, others are digging through game files in search of clues about what's coming next. Although none of these leaked cars have been officially confirmed by Playground Games, several previous leaks have already proven to be accurate, making the latest findings worth examining.
How Reliable Are These Leaks?
Before diving into the list, it's important to understand how game leaks actually work. A vehicle appearing inside the game's files does not necessarily mean it will become playable. Developers often add placeholder assets, physics data, textures, or sound files long before a car is officially released. Sometimes those vehicles never arrive due to licensing agreements, manufacturer approvals, or changes in development plans.
A great example involves Bugatti models. Various Bugatti physics files reportedly exist within Horizon 6, but that alone does not guarantee their release. Legal agreements and third-party licensing remain just as important as technical implementation.
Still, previous Horizon titles have shown that many hidden assets eventually become official content, giving fans good reason to stay optimistic.
Hidden Files Reveal Possible Future Vehicles
Much of the latest information comes from unused content found inside Forza Motorsport. Since both games share technology and resources, many hidden assets appear to be prepared for future Horizon updates.
Dataminers discovered unused badges, textures, thumbnails, and metadata that reference numerous vehicles currently unavailable in Horizon 6.
Among the most exciting discoveries are:
2023 Toyota Prius Prime
Toyota Starlet Glanza V Excellent Package (1998)
Subaru Wilderness model
1993 Nissan NX 2000
1998 Mitsubishi Pajero iO
1967 Mazda Luce RX-87 Rotary Coupe Concept
Considering Horizon 6's Japanese setting, these additions would fit perfectly with the game's overall theme.
The Toyota Prius Prime may surprise some players, but modern Prius models have become increasingly popular thanks to their redesigned appearance and improved performance. Meanwhile, classics like the Nissan NX 2000 and Mazda Luce would appeal to collectors and JDM enthusiasts alike.
More SUVs and Modern Performance Cars
The leaked files don't stop with Japanese manufacturers.
Several modern SUVs and performance vehicles also appear to be under consideration, including:
2022 Ineos Grenadier
2025 Honda Prelude BF1
1986 Honda Accord Aerodeck
Unknown GAC model (possibly Trumpchi GA6)
1990 Fiat Panda 4x4
2023 Dodge Challenger SRT Demon 170
The Ineos Grenadier would introduce an entirely new manufacturer to Horizon 6 if licensing is completed successfully. Likewise, the Fiat Panda 4x4 would provide a fun lightweight off-road vehicle that longtime Forza fans have been requesting.
The Dodge Challenger SRT Demon 170 is perhaps one of the most anticipated muscle cars on the list. As Dodge's ultimate factory drag car, it would immediately become one of the fastest accelerating production vehicles in the game.
BMW Fans Have Plenty to Look Forward To
BMW enthusiasts may receive several new additions as well.
The leaked data references:
2025 BMW XM
2024 BMW X4 M Competition
2022 BMW X3 M Competition
Interestingly, an earlier leak also included the BMW X6 M Competition, which has already been added to Horizon 6. That successful prediction gives additional credibility to the remaining BMW models.
If these SUVs eventually arrive, they would further expand the game's growing collection of high-performance luxury vehicles.
Audio Files Add More Evidence
Besides textures and badges, community researchers also discovered references inside XML audio files.
These files contain engine sound mappings and other vehicle-related audio data for several race cars that players cannot currently access.
The leaked race cars include:
2018 Alfa Romeo Giulietta BTCC
2018 Chevrolet Camaro Trans Am
1977 Chevrolet DeKon Engineering Monza
2018 Mazda Joest RT24P
Engine sounds usually require substantial development work, making these discoveries particularly interesting. Although audio files alone cannot guarantee a release, they suggest that developers have invested time into preparing these vehicles.
Promotional Material Supports Additional Rumors
Past trailers and promotional images provide another source of evidence.
One vehicle frequently mentioned by the community is the 2019 Formula Drift Chris Forsberg Nissan 370Z, which appeared in Xbox showcase footage before Horizon 6 launched. Although a newer version of the Formula Drift 370Z already exists in the game, the 2019 model remains absent.
Another frequently discussed vehicle is the 1988 Mitsubishi Starion ES-IR, which appeared in earlier promotional artwork but has yet to become playable.
These appearances suggest that some vehicles may simply be waiting for the right update rather than being completely abandoned.
Previous Leaks Have Already Come True
Perhaps the strongest reason these discoveries receive so much attention is that several earlier leaks eventually became reality.
The Koenigsegg Gemera was once considered merely another hidden file, but it later arrived as an official addition. Likewise, the BMW X6 M Competition moved from leaked content into the live game.
These successful predictions encourage the community to continue examining every new game update for additional clues.
What Players Should Expect
While the evidence is certainly compelling, players should keep realistic expectations. Some vehicles may never be released despite existing in the files, while others could arrive months from now as part of seasonal updates or expansion packs.
Playground Games has consistently expanded Horizon titles over time, and these leaks suggest that the developers already have plenty of potential content prepared for future updates.
For collectors, racers, and completionists alike, the future looks promising. Whether you're hoping to drive classic Japanese icons, powerful American muscle cars, or modern European SUVs, the leaked list offers something for everyone. Until official announcements arrive, the community will undoubtedly continue searching for new clues while preparing their garages and considering FH6 Boosting to unlock upcoming vehicles as quickly as possible whenever they finally hit the festival.
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