How to Tune Cars in Forza Horizon 6

Good tuning can completely change how a car feels in Forza Horizon 6. The tuning menu might look intimidating at first because there are so many sliders, but most settings revolve around a few basic ideas.

You’re either increasing grip, reducing grip, or changing how the car shifts its weight while accelerating, braking, and cornering. Once you understand what each setting affects, tuning cars becomes so much easier in Forza Horizon 6.

How to Tune Cars in FH6

To tune cars in FH6, open the main menu, go to the Cars tab, select your vehicle, and choose Tune Car. Some categories won’t be available immediately and require upgrades such as Race Suspension, Race Differentials, or adjustable aero parts.

One of the biggest mistakes beginners make is changing multiple settings at the same time. When that happens, it becomes almost impossible to tell which adjustment actually improved the car. The best way to improve your car is to change one thing at a time, test it, then decide if it helped or needs further tuning.

Before you start tuning cars, remember that every adjustment affects how the tires interact with the road. If the front tires run out of grip first, the car will understeer and push wide through corners. If the rear tires lose grip first, you’ll get oversteer and the back end will start to slide.

The following sections explain all tuning settings in Forza Horizon 6.

Tire Pressure

Tire pressure is often the easiest place to start because its effects are immediately noticeable behind the wheel.

Lower pressure = more grip and stability. Higher pressure = sharper response but less grip. For most road racing builds, lower pressures are safer and easier to drive

Street tires usually feel best in mid-20 PSI range, race slicks prefer slightly higher pressures.

Gearing

Gearing controls how power gets delivered to the wheels. Shorter gears improve acceleration while longer gears increase top speed.

The easiest setting to work with is the Final Drive slider. Raising the final drive gives quicker acceleration but lowers top speed. Lowering it gives higher top speed but weaker acceleration.

For tight tracks with lots of corners, shorter gearing usually feels better. For highway races or long straights, taller gearing helps more.

Alignment

Alignment settings affect how the tires sit against the road surface and can have a surprisingly large impact on handling.

Brakes

Brake tuning consists of two main settings: brake balance and brake pressure.

Brake balance changes how much braking force goes to the front or rear wheels. More front bias increases stability. More rear bias helps the car rotate into corners but can make it unstable. If you are a beginner, it’s a good idea to stay with slightly forward brake bias because it is safer and easier to control.

A general rule is that if the wheels lock easily, reduce brake pressure. If braking feels weak, increase it.

Anti-Roll Bars

ARBs are one of the most effective tools for fixing handling balance in FH6.

A stiffer front anti-roll bar reduces front-end grip and tends to increase understeer. Softening the front bar usually helps the car rotate into corners more easily.

The same principle applies at the rear. If the back of the car feels too loose, softening the rear anti-roll bar can make it more stable. If the car refuses to turn, stiffening the rear can encourage more rotation.

Springs

Spring settings control how weight moves around the car during acceleration, braking, and cornering. Softer springs = more grip and stability. Stiffer springs = sharper response but less grip if overdone.

For most beginner setups, keeping the springs somewhere near the middle of their adjustment range is a safe place to start. Off-road cars work better with softer springs overall.

Damping

While springs control how far the suspension moves, damping controls how quickly it moves.

Bump damping affects how fast the suspension compresses when hitting a bump or loading up in a corner. Rebound damping controls how quickly it extends afterward.

Softer damping usually improves grip on uneven roads, while stiffer damping creates a more responsive feel. However, going too stiff can make the car skittish over bumps and curbs.

Most road racing setups use higher rebound values than bump values because it helps keep the chassis settled during quick transitions.

Aero

Aerodynamic tuning becomes increasingly important as speeds rise. More downforce pushes the car into the road, increasing grip and stability through fast corners. The downside is additional drag, which reduces top speed. Less downforce creates less drag and improves straight-line performance, but high-speed cornering becomes more difficult.

For technical tracks with many corners, more aero usually helps lap times. Speed-focused builds designed for highway runs often benefit from lower aero settings.

Differential

Differential settings control how power gets distributed across the driven wheels.

Higher acceleration lock improves traction and straight-line acceleration but can increase oversteer on rear differentials (especially in RWD and AWD cars). Lower acceleration lock improves cornering and makes the car easier to rotate.

Rear Wheel Drive cars generally prefer moderate acceleration settings.

Front Wheel Drive cars often use very high acceleration lock values.

All Wheel Drive cars split settings between front, rear, and center differentials.

If the car feels like it pushes wide when accelerating, lowering acceleration differential usually helps. If it feels unstable or unsettled when slowing down or lifting off the throttle, increasing deceleration settings can improve stability.

For more guides on Forza Horizon 6, be sure to check out our guides on the ‘Welcome to Japan’ Festival Playlist Winter Season Rewards and Challenges, as well as Vending Machine Locations (Snack Attack Guide).