Are you looking to dominate the competition and leave rivals in your dust in Forza Horizon 4? Unlocking the fastest car is key to achieving ultimate victory on the roads of Britain. We’ve put together a comprehensive guide to reveal the speed demons in Forza Horizon 4, going beyond the stock stats to show you their true, upgraded potential.
Image depicting a high-speed race in Forza Horizon 4, showcasing the game’s dynamic open-world environment and fast cars.
Forza Horizon 4 has come a long way since the pixelated racing games of the past. The evolution of gaming has brought us incredibly realistic and immersive racing experiences. While games like Gran Turismo offered track-focused realism, the Need for Speed series ignited the popularity of arcade-style street racing. Forza Motorsport emerged as Xbox’s answer to Gran Turismo, sparking debates among racing fans about console preference.
As Forza’s popularity grew, players yearned for open-world freedom, reminiscent of the golden days of street racing, but with modern fidelity. The beauty of gaming lies in its escapism, allowing us to push boundaries beyond real-world limitations.
Imagine drifting through the picturesque British landscapes at breakneck speeds, something that would be impossible, and probably illegal, in reality.
Image of a Nissan GT-R dramatically peeling out in Forza Horizon 4, highlighting the game’s arcade-style fun and car customization.
Forza Horizon 4 delivers a massive open-world map, inviting players to explore the diverse British countryside. Whether you prefer sticking to the asphalt or venturing off-road, Forza Horizon 4 offers stunning physics for perfecting your racing and drifting skills. With a staggering selection of nearly 700 cars, the game offers endless automotive possibilities. Beyond the sheer number of vehicles, Forza Horizon 4 empowers players with extensive customization options, allowing for deep modifications and tuning to personalize each car to their exact preferences.
In a game with over 12 million players, building unique and high-performing cars becomes crucial to stand out. While many focus on drift tuning, the thrill of top speed and outperforming rivals with sheer velocity is undeniable. Engine swaps are a significant part of Forza tuning, and for those interested, there are detailed guides available to explore this avenue further.
Many online resources list the fastest cars based on their stock configurations. However, Forza Horizon 4 is all about pushing limits and maximizing performance through upgrades. Why stick to stock when you can unleash a car’s true potential?
Image showcasing the sleek Koenigsegg Agera RS, symbolizing high performance and top speed capabilities in Forza Horizon 4.
The first thing most Forza players do after acquiring a new car is to hit the upgrade shop, seeking performance enhancements and tuning to extract every ounce of power. This guide reveals the true top speed potential of the fastest cars in Forza Horizon 4, showing you what’s achievable beyond the factory settings.
We’ve identified 22 exceptional cars capable of exceeding 250 mph after upgrades, ranked according to their ultimate top speed potential. Let’s dive into the list and discover the fastest car in Forza Horizon 4!
Top 22 Fastest Cars in Forza Horizon 4 (Upgraded)
Here is the definitive list of the fastest cars in Forza Horizon 4, ranked from 22nd to the ultimate top speed champion, all based on their maximum potential after performance upgrades.
22) Hoonigan Ford “Hoonicorn” Mustang – 255 mph
The Hoonicorn might be an unexpected entry on a top speed list, but this beast is more than just a drift machine. Known for its explosive acceleration, the Hoonicorn packs a 1400hp, twin-turbocharged V8, delivering incredible off-the-line performance.
Its all-wheel-drive system launches it from 0-60 mph in a mere 1.8 seconds and 0-100 mph in 3.15 seconds. Beyond its launch prowess, the Hoonicorn can reach a top speed of over 255 mph, making it a surprisingly versatile and entertaining all-rounder.
21) Ferrari LaFerrari – 257 mph
The LaFerrari is undeniably a hypercar masterpiece, both in aesthetics and engineering. However, in the realm of Forza Horizon 4 top speed, it lands just outside the top 20.
While boasting exceptional handling and braking, making it a fantastic overall car, the LaFerrari’s top speed is limited to 257 mph. Its 6.3-liter V12 engine produces 949 hp, which is impressive but not enough to compete with the absolute speed kings in this game.
20) Rimac Concept Two – 259 mph
The Rimac Concept Two, also known as the Rimac C_Two, is a Croatian-engineered electric hypercar and a rare “Hard to Find” gem in Forza Horizon 4. This all-wheel-drive EV utilizes four electric motors, one for each wheel, to generate immense power and achieve a top speed of 259 mph.
This car showcases the potential of electric powertrains in the world of high-performance gaming and real-world automotive engineering.
19) McLaren 720S Coupé – 261 mph
In its stock form, the McLaren 720S Coupé might not appear as a top-tier speedster, with a speed rating of 8.0. However, with Forza Horizon 4’s deep customization, this car transforms into a true speed demon.
Fully upgraded, the 720S Coupé can hit 261 mph, thanks to its 4.0L twin-turbocharged V8 engine being pushed beyond 1,000 hp. This upgrade potential makes it a formidable contender, only slightly trailing its more prestigious stablemate, the Speedtail.
18) McLaren Speedtail – 264 mph
The McLaren Speedtail is already one of the fastest stock cars in Forza Horizon 4, boasting a speed rating of 9.7. Despite its impressive base speed, its upgrade potential is somewhat limited compared to some competitors.
Introduced in “Update 20” in March 2020, the Speedtail is a “Hard-to-Find” car, obtainable through seasonal events or the Forzathon shop. As McLaren’s fastest production car, the real-world Speedtail is a marvel of engineering.
In-game, it reaches 264 mph when fully upgraded. Its stock 1,036hp twin-turbo V8 is no slouch, but the upgrade path only adds a modest 14 mph to its top speed, leaving some gamers wanting more.
17) Bugatti Chiron – 270mph
The Bugatti Chiron, a successor to the legendary Veyron, was included in Forza Horizon 4 as part of the base game, after debuting in Forza Motorsport 7 as DLC. Its monstrous 8.0-liter quad-turbocharged W16 engine produces nearly 1,500 hp and over 1,100 lb-ft of torque.
Despite this immense power, the Chiron’s considerable weight of nearly 4,400 lbs holds it back slightly in top speed rankings compared to lighter rivals. While the real-world Chiron Super Sport 300+ broke the 300 mph barrier, the 2018 model in Forza Horizon 4, capable of 261 mph in reality, reaches 270 mph when fully upgraded in-game.
16) Hennessey Venom GT – 270mph
Matching the Bugatti Chiron’s top speed, the Hennessey Venom GT achieves 270 mph. While it produces slightly less power at 1,200 hp from its twin-turbocharged LSX V8, its significantly lower weight of around 2,700 lbs gives it an edge in acceleration and handling.
Uniquely, the Venom GT is rear-wheel drive, unlike many cars on this list, offering a different driving experience, particularly in corners, alongside its high-speed capabilities.
15) Koenigsegg One:1 – 271 mph
The first Koenigsegg on our list, the One:1, reaches a top speed of 271 mph. Named for its power-to-weight ratio of one horsepower per kilogram, the One:1 is an engineering marvel.
In real-world testing, it’s capable of 273 mph, but in Forza Horizon 4, it starts at 268 mph stock, reaching 271 mph with optimal upgrades. This car marks the beginning of Koenigsegg’s dominance in the upper echelons of top speed.
14) Bugatti Veyron Super Sport – 272 mph
Once the world’s fastest production car, verified at 267 mph, the Bugatti Veyron Super Sport set the benchmark in 2010. While automotive technology has advanced significantly since then, the Veyron Super Sport remains an icon.
In Forza Horizon 4, its 8-liter quad-turbocharged W16 engine, producing 1,183 hp, earns it a perfect ’10’ in Speed and Acceleration ratings. Despite weighing over 4,000 lbs, it reaches 272 mph when fully upgraded, showcasing its enduring performance.
13) Pagani Zonda Cinque Roadster – 272mph
Matching the Veyron Super Sport in top speed, the Pagani Zonda Cinque Roadster achieves 272 mph when fully upgraded. In stock form, it only reaches 207 mph, highlighting its substantial hidden potential.
With a 7.3-liter V12 engine producing 678 hp, its lightweight carbon-titanium body, weighing just under 2,900 lbs, contributes significantly to its impressive performance and secures its place in the top rankings.
12) Koenigsegg Agera – 273 mph
The older sibling to the record-breaking Agera RS, the Koenigsegg Agera doesn’t disappoint, reaching 273 mph. Produced from 2011 to 2017, the Agera succeeded the CCX, continuing Koenigsegg’s legacy of high-performance hypercars.
Its 5.0-liter twin-turbocharged V8, delivering 946 hp, and rear-wheel-drive configuration, position it just outside the top 10, proving its enduring speed capabilities.
11) McLaren P1 – 273 mph
McLaren’s P1 matches the top speed of the classic F1 GT, demonstrating the brand’s consistent pursuit of performance. The P1, standing for “Position 1,” was designed as the F1’s successor, pushing the boundaries of hypercar technology.
While already fast in stock form, the P1 truly shines with upgrades, reaching 273 mph and solidifying its place among the top speed contenders in Forza Horizon 4.
10) McLaren F1 GT – 273 mph
The McLaren F1 GT, a legend from 1997, proves age is just a number, holding its own against modern hypercars in Forza Horizon 4 with a top speed of 273 mph when fully upgraded.
Its 6.1L naturally-aspirated V12 engine, producing 618 hp stock, can be tuned to an impressive 1,439 hp, unlocking its hidden speed potential. Despite its age, the F1 GT remains a beloved and surprisingly competitive car in the game.
9) Bugatti EB110 Super Sport – 284 mph
Breaking into the top 10 fastest cars, the Bugatti EB110 Super Sport claims the ninth spot. Another classic on the list, the EB110 boasts a relatively small 3.5L quad-turbocharged V12 engine.
While stock figures of 611 hp might seem modest, the available upgrades unleash significant power, making it a straight-line speed weapon. However, its braking and handling might require extra caution at these extreme speeds.
8) Shelby Monaco King Cobra – 285 mph
In a surprising twist, the Shelby Monaco King Cobra, known for its unique exhaust design, takes the eighth position. Many Forza Horizon 4 players consider it a top choice for drag racing, with recorded quarter-mile times under 6.5 seconds.
Weighing a mere 1,300 lbs, its stock 400 hp can be upgraded to over 1,500 hp, resulting in a top speed of 285 mph. The Monaco King Cobra is a must-have for speed enthusiasts and drag racing aficionados in Forza Horizon 4.
7) McLaren F1 – 287 mph
Outperforming its GT variant, the original McLaren F1 secures the seventh spot. Back in 1998, the McLaren F1 became the world’s fastest production car at 240 mph, shattering the previous record.
Its 6.1-liter V12 engine, producing 627 hp stock, combined with its lightweight carbon fiber chassis, allows it to reach 287 mph with upgrades. The McLaren F1 remains a benchmark for speed and engineering excellence.
6) Koenigsegg Agera RS – 293 mph
Entering the top 5 territory, the competition intensifies. The Koenigsegg Agera RS, once considered one of the fastest in the game, narrowly misses a top 5 spot due to newer updates and faster cars.
Stock, its 1,341 hp and rear-wheel-drive configuration deliver thrilling performance and brutal wheelspin. As the fastest production car in the game in its base form, the Agera RS is a staple in any serious Forza player’s garage, reaching 293 mph when fully upgraded.
5) Porsche 911 GT3 RS PO – 294 mph
The Porsche 911 GT3 RS PO (Pre-Order Edition), initially exclusive to Amazon pre-orders, is now available in the Auction House, albeit at a premium price. This special edition comes with pre-installed upgrades not found on the standard GT3 RS.
Crucially, it allows for a racing V12 engine swap, propelling it into the top 5 fastest cars with a top speed of 294 mph. If you can acquire one, the Porsche GT3 RS PO is an exceptional all-around performer with blistering speed.
4) Koenigsegg CC8S – 295 mph
The first Koenigsegg model, the CC8S, to appear on this list lands in fourth place. Typically powered by a 4.7L supercharged V8, producing 564 hp stock, the CC8S in Forza Horizon 4 is part of the Fortune Island expansion, found in Treasure Chest #5.
Weighing just over 2,800 lbs stock, the CC8S punches above its weight with immense tuning potential, narrowly surpassing the 911 GT3 with a top speed of 295 mph.
3) Jaguar D-Type – 303 mph
In a truly surprising and almost comical twist, the classic Jaguar D-Type breaks the 300 mph barrier, reaching a staggering 303 mph. With a modest 245 hp from its 3.4L inline-six engine in stock form, its lightweight construction of around 2,100 lbs certainly aids in its speed.
Of course, achieving 300+ mph likely requires a 5.2L V10 twin-turbo engine swap, but the fact remains: this 1950s convertible can outrun most modern hypercars in Forza Horizon 4, a testament to the game’s fun and unexpected possibilities.
2) MOSLER MT900S – 311 mph
The Mosler MT900S, while not widely recognized outside of racing game circles, has earned significant fame within the Forza Horizon series as a speed demon. Initially powered by a supercharged Chevrolet Corvette Z06 LS7, it can be upgraded to a 6.5-liter V12 engine.
This engine swap, combined with its incredibly lightweight chassis of around 2,500 lbs, results in a blistering top speed of 311 mph, securing its second-place position.
1) Ferrari 599XX Evolution – 323 mph
For veteran Forza Horizon 4 players, the ultimate top speed champion will come as no surprise: the Ferrari 599XX Evolution. In stock form, it already reaches an impressive 240 mph.
However, once fully upgraded and equipped with an all-wheel-drive drivetrain swap, the 599XX Evolution utterly dominates the competition, achieving an unbelievable 323 mph. It stands in a league of its own when it comes to pure top speed in Forza Horizon 4.
Conclusion
The Ferrari 599XX Evolution reigns supreme as the undisputed fastest car in Forza Horizon 4. While many cars on this list offer incredible speed and performance, the 599XX Evolution sets a benchmark that is currently unmatched.
Prior to the “Update 8” car pack in April 2019, the top speed competition was much closer. Since then, the 599XX Evolution has firmly established itself as the king of speed. However, cars like the Jaguar D-Type offer unique and entertaining high-speed experiences.
If you’ve managed to surpass any of the top speeds listed here, share your proof with a YouTube video! We are always looking to keep our data as accurate and up-to-date as possible.
For more on Forza Horizon 4 and other racing games, explore our premium drifting games and free online games in the Drifted Arcade. Improve your skills with our How to Drift guide, and stay updated on the Forza series with our articles on Forza Horizon 5 and Forza Motorsport 8.
Thank you for reading our guide to the fastest cars in Forza Horizon 4. If top speed is your ultimate goal, the Ferrari 599XX Evolution is your vehicle of choice to conquer the roads and leaderboards.
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Written by Joe Terrell
Joe is an avid writer and car enthusiast. When he’s not cruising the streets alongside his friends in his Nissan Silvia S15, he’s drifting on his VR racing simulator.
Joe’s passion for cars is always on display. With a keen eye for detail and a deep understanding of the automotive industry, he hopes his writing conveys his excitement and knowledge of cars and games.
Joe’s work has been featured on many platforms including drivetribe.com, 180sx.club, carthrottle.com, smartdrivinggames.com, smartbikegames.com, databox.com and ceoblognation.com.
When he’s not behind the wheel or at his keyboard, he’s likely daydreaming of his ultimate ride – the legendary Lexus LFA.
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