The Ferrari 599XX Evolution tops the sourced list of Forza Horizon 4 cars by reported top speed before modification, at 320 mph. That is a figure reported by Dexerto, not an official standardized test; tuned builds can produce different results, so stock and tuned speeds should not be compared as if they used the same setup.
Fastest Forza Horizon 4 cars before modification
The ranking below reproduces Dexerto’s August 2021 list, which describes its figures as top speeds players reached before modifying the cars. Treat these as guide-reported figures rather than guaranteed results for every player or setup.
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Forza Horizon 4: Standard Edition – Xbox One | $49.44 | Buy on Amazon |
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| Rank | Car | Reported top speed |
|---|---|---|
| 1 | Ferrari 599XX Evolution | 320 mph |
| 2 | Mosler MT900S | 300 mph |
| 3 | Shelby Monaco King Cobra | 290 mph |
| 4 | Koenigsegg Agera RS | 285 mph |
| 5 | Koenigsegg One:1 | 270 mph |
| 6 | Hennessey Venom GT | 270 mph |
| 7 | Bugatti Chiron | 265 mph |
| 8 | Bugatti Veyron Super Sport | 265 mph |
| 9 | Koenigsegg Agera | 260 mph |
| 10 | Ferrari LaFerrari | 258 mph |
Source for all ten speeds and the ranking: Dexerto’s 2021 list. Its reported figures are not a measure of lap time, handling, acceleration, or overall race performance.
How tuning changes the ranking
Modifications can raise a car’s top speed, so a tuned ranking is a different comparison from the pre-modification list above. Prima Games’ June 2022 guide reports 323 mph for the Ferrari 599XX Evolution and 302 mph for the Mosler MT900S with its recommended top-speed tuning settings. Those are guide-reported tuned results, not directly comparable to Dexerto’s pre-modification figures.
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Prima Games also lists other tuned cars, but its reproduced sequence is not fully sorted by the stated speeds. For that reason, this article does not combine those results into a second numbered ranking. See the Prima Games tuning guide for its settings and reported results.
How to find a tune in-game
- Open Horizon Festival and go to Garage.
- Select Upgrades and Tuning, then Upgrades.
- Choose Find New Tunes to look for a top-speed setup.
These menu directions are described in Prima Games’ guide. Online tune availability was not verified, and results can depend on the upgrades and tuning used.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.FAQ
What is the fastest car in Forza Horizon 4?
In Dexerto’s list of reported top speeds before modification, the Ferrari 599XX Evolution is first at 320 mph. Prima Games reports 323 mph for it with top-speed tuning, so the answer depends on the setup being compared.
Is the Ferrari 599XX Evolution faster than the Mosler MT900S?
Both cited guides place the Ferrari ahead of the Mosler in their respective top-speed lists: Dexerto reports 320 versus 300 mph before modification, while Prima Games reports 323 versus 302 mph with its tuning approach.
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Does the fastest top-speed car make the best race car?
Not necessarily. The sourced rankings compare reported top speed; they do not establish which car has the best handling, lap time, acceleration, or performance across race types.
Are these official in-game speed records?
No. The figures come from third-party guides published in 2021 and 2022. The research did not find an official standardized test verifying the rankings.
Quick Recap
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- The Forza Horizon 4 Standard Edition includes:* Forza Horizon 4 game disc.
- SEASONS CHANGE EVERYTHING. For the first time in the racing and driving genre, experience dynamic seasons in a shared open-world. Explore beautiful scenery, collect over 450 cars, and become a Horizon Superstar in historic Britain. (Some cars provided by online update.
- Britain Like You’ve Never Seen it. Discover lakes, valleys, castles, and breathtaking scenery all in spectacular native 4K and HDR on Xbox One X and Windows 10.
- Master Driving in All Seasons. Explore a changing world through dry, wet, muddy, snowy, and icy conditions.
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- The Forza Horizon 4 Standard Edition includes: Forza Horizon 4 game disc
- SEASONS CHANGE EVERYTHING
- Britain Like You've Never Seen it. Discover lakes, valleys, castles, and breathtaking scenery all in spectacular native 4K and HDR on Xbox One X and Windows 10
- Master Driving in All Seasons. Explore a changing world through dry, wet, muddy, snowy, and icy conditions
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