Forza Horizon 6 Tuning Guide: Upgrade Order & Setups That Work

A Forza Horizon 6 tuning guide — what every setting does, the right upgrade order, and reliable starting setups for road, dirt, drift and drag builds.

A car can have huge power and still be miserable to drive. Tuning is how you make the build behave: tyres first, gearing next, then suspension and diff once you know what the car is doing wrong.

Upgrade before you tune

Tuning only adjusts parts you’ve already fitted, so upgrades come first. A sensible general order:

1. Tyres & rims — fit the right tyre compound for your surface (street, sport, race, rally, off-road, drag, drift). This is the single biggest handling change you can make.
2. Drivetrain & differential — adding an adjustable differential gives you the tuning options that matter.
3. Platform & handling — springs, anti-roll bars, brakes and weight reduction to control the car.
4. Engine & power — add power last, once the car can put it down. Power-to-grip balance matters more than raw numbers.
5. Aspiration / conversions — turbo, supercharger or engine swaps for big power, and drivetrain swaps (e.g. AWD) where the build calls for it.

Stay just under a class ceiling (e.g. A 800) rather than spilling into the next class. A maxed A-class car is usually better than a barely-S1 one in A-class events.

What each tuning setting does

Tyre pressure

Lower pressure = bigger contact patch and more grip, but too low overheats the tyre and hurts response. A common starting point is around 28–30 psi front and rear, then adjust so tyres sit in their optimal temperature during a race (check telemetry).

Gearing (final drive)

This is where many builds win or lose. Shorter (higher) final drive = quicker acceleration, lower top speed — good for tight, technical routes. Longer (lower) final drive = higher top speed — good for open roads and drag. Tune individual gears so you hit the rev limiter right at the end of the longest straight.

Alignment (camber, toe, caster)

• Camber: a little negative camber (around −1.0° to −1.5° front) improves cornering grip. Too much wears the inside edge and hurts braking.
• Toe: keep close to zero. Tiny toe-out front can sharpen turn-in; toe-in rear adds stability.
• Caster: higher caster (around 5.5°–7.0°) improves straight-line stability and steering feel.

Anti-roll bars

Stiffer bars reduce body roll and sharpen response. Stiffer front = more oversteer; stiffer rear = more understeer. Use the balance to dial out whichever your car suffers from.

Springs & ride height

Stiffer springs improve response on smooth tarmac; softer springs soak up bumps and are useful off-road. Lower ride height helps road grip; raise it for dirt and cross country to avoid bottoming out.

Damping (bump & rebound)

Rebound stiffness is usually set a little higher than bump. Soften both for loose surfaces; stiffen for smooth circuits. If the car feels bouncy or skittish, your damping is too stiff for the surface.

Differential

• Acceleration %: higher locks the diff under throttle for better corner exit (and more oversteer on RWD).
• Deceleration %: higher adds stability under braking but can cause lift-off understeer.
• AWD balance: more rear bias feels lively and RWD-like; more front bias adds stability.

Aero

More front downforce = more front grip and turn-in; more rear downforce = stability at speed. Max aero helps technical circuits; trim it back for top speed on open routes.

Brakes

Increase brake force for shorter stops if you can avoid locking up; shift balance rearward slightly to reduce nose-dive understeer, or forward for stability.

Starting setups by discipline

Start here, then adjust for the car and route.

Road racing

Prioritise grip and braking. Stiffer springs and bars, low ride height, race tyres, and aero tuned for the track. Tune gearing so you reach the limiter at the end of the longest straight. See the best road racing cars.

Dirt & cross country

Soften everything. Rally or off-road tyres, taller ride height, soft springs and dampers so the car keeps contact over bumps, and a higher diff acceleration value to claw out of corners. AWD is usually king here. See the best dirt cars and cross country cars.

Drift

Drift tyres, a near-fully-locked differential, stiff-ish rear and a setup that holds a slide without snapping. Gearing should keep revs in the power band mid-slide. Browse RWD options in the best drift cars list.

Drag

Maximum traction off the line and a gearing curve that never bogs. Drag tyres, launch-focused diff, and individually tuned gears. AWD launches hardest; RWD needs careful throttle control.

Once your build is sorted, you’ll need credits to fund it — see the credit farming guide — and skill points to buy car mastery perks. New to the game? Start with the beginner guide.

Frequently asked questions