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Home / Blog / Forza Horizon 6

How to Upgrade Cars in Forza Horizon 6?

Written by:  U4N
Published: May 20, 2026
12

Upgrading cars in Forza Horizon 6 is one of the most satisfying ways to see your driving skills shine. Whether you want to dominate races, tackle mountain passes, or drift through city streets, knowing how to enhance your vehicle's performance is key.

Where to Upgrade

You can upgrade your cars at any Player House or Festival Site. Open the main menu, navigate to the Cars tab, and select Upgrades & Tuning. From here, you have three main options: Auto-Upgrades, Custom Upgrades, or applying community-built setups via the Tune Browser.

You don't even need to be at a house to use community tunes—just open the pause menu and browse for setups to instantly install race-ready configurations.

How to Upgrade Cars in Forza Horizon 6

Upgrade Methods

1. Auto-Upgrade

If you want a quick boost without fuss, Auto-Upgrade is your friend. Select your target class, like B, A, or S1, and the game automatically chooses the best parts to maximize your Performance Index (PI). It's fast, effective, and perfect for players who just want to jump straight into competition.

2. Custom Upgrades

For players who love fine-tuning, Custom Upgrades let you modify each part manually:

  • Engine & Power: Swap engines or upgrade intakes, exhausts, and turbochargers to boost horsepower.
  • Handling & Braking: Race brakes, anti-roll bars, and tuned suspensions improve cornering and control.
  • Weight Reduction: Shedding weight is often the most cost-effective way to improve acceleration and agility.
  • Drivetrain: Upgrade clutch, transmission, and differential for faster shifts and precise power distribution.
  • Aero & Appearance: Wider tires, wings, and bumpers enhance downforce and grip while giving your car a unique look.

3. Tune Browser (Community Setups)

If building from scratch isn't your style, the Tune Browser is a lifesaver. Browse highly rated community tunes and instantly apply setups for street racing, drift, or off-road adventures. It's a simple way to get race-ready without trial and error.

For players looking to get the most out of their Forza Horizon 6 experience, upgrading your cars through Auto-Upgrades, Custom Upgrades, or the Tune Browser can dramatically improve performance and handling. To accelerate your progress even further, U4N offers a reliable and secure way to purchase Forza Horizon 6 credits, giving you instant access to top-tier parts, community tunes, and all the upgrades needed to dominate the roads.

Buy Forza Horizon 6(FH6) Credits

Fine-Tuning Your Car

After upgrading, you can unlock custom calibrations in the Tune Car menu:

  • Tires: Adjust pressure for grip or speed optimization.
  • Gearing: Fine-tune final drive ratios to balance acceleration and top speed.
  • Aero: Modify front and rear downforce to improve cornering or straight-line speed.
  • Alignment & Camber: Small tweaks to camber and toe angles can drastically change handling feel.

Essential Upgrade Priorities

When planning a build, focus your credit budget strategically:

  1. Conversion: Engine swaps, drivetrain changes (RWD to AWD), and turbo upgrades.
  2. Tires and Rims: Upgrading compounds and widening tires offers the most noticeable handling boost.
  3. Platform & Handling: Race suspension, anti-roll bars, and weight reduction make your car agile and tunable.
  4. Drivetrain: Race transmissions and adjustable differentials unlock custom tuning options.
  5. Engine Parts: Add horsepower after the rest of the build to fill out your PI without compromising balance.

Quick Tips

  • Community Tunes: Great for inspiration and instant performance boosts.
  • Adjust on the Fly: You can tweak setups at any Festival Site, so don't be afraid to experiment.
  • Budget Wisely: Focus on tires and suspension first, then engine and aero, for maximum PI efficiency.

Upgrading your cars in Forza Horizon 6 is more than just stats—it's about customizing your ride to match your driving style. Whether you're chasing speed, control, or drift points, understanding each upgrade path ensures every car feels like it was made for you.

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About the Author

The U4N Editorial Team is made up of dedicated gamers and technical experts. We're not just a trusted marketplace for game assets—we're all about empowering players with top-tier, expert-driven content. Our team produces in-depth guides, strategies, and technical fixes for some of the biggest games out there, like MLB The Show 26, Aion 2, Forza Horizon 6, Arc Raiders, and Path of Exile.

Whether it's mastering market flipping in Diamond Dynasty or optimizing your endgame builds, all of our strategies are tested and proven by in-house experts. At U4N, we don't just follow the meta—we help you stay ahead of it.

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