Why it is meta
Road Racing (S2, RWD, Stock F6-TT): Rear-engine traction and downforce let it grip and rotate where other S2 cars wash out under power.
In FH6, power is the biggest differentiator in road racing. Fill the car with as much horsepower as the PI budget allows, then tune the chassis to control it. You want strong corner exit traction, sharp turn-in, and stable braking. FH6 has more linear steering response and more forgiving braking than previous titles, so builds can be pushed closer to neutral balance. Aero is crucial at higher classes for maintaining grip through fast corners.
Upgrade priority
- Engine Swap or Power Upgrades Power is the biggest performance differentiator in FH6. More horsepower means faster straights and stronger exits, which add up to bigger lap time gains than any handling upgrade. Fill the car with as much power as the PI budget allows.
- Race Transmission (10-Speed) Unlocks individual gear ratio and final drive tuning. A 10-speed keeps the engine in its power band and cuts time lost between shifts, so matched gearing turns your power into lap time. Without it, extra power is wasted bouncing off the limiter or bogging down.
- Slick Tyres At S2 class, slick compound is essential. Maximum mechanical grip lets you exploit all that power on corner exit without wheelspin.
Full upgrade order, best value per PI and adjustment tips: Road Racing tuning guide.
Tuning
Tyres
| Setting | Value |
|---|---|
| Compound | Semi-Slick |
| Front Tyre Width | 275mm |
| Rear Tyre Width | 305mm |
| Front Pressure | 29.0 PSI cold |
| Rear Pressure | 28.5 PSI cold |
The standard competitive compound. These cold pressures climb to the optimal 32 to 34 PSI once warm (usually 1 to 2 laps). RWD runs higher front pressure for sharper turn-in; FWD higher still to reduce understeer. Widening front tyres is one of the most PI-efficient grip upgrades in FH6.
Gearing
| Setting | Value |
|---|---|
| Final Drive | 3.58 (assumes ~1050 hp build) |
| 6-Speed Ratios | 2.97 / 2.07 / 1.6 / 1.3 / 1.1 / 0.96 |
| Strategy | Hit the rev limiter at the end of the longest straight |
The final drive is calculated for a ~1050 hp S2-class build. On speed circuits lengthen it by 0.2 to 0.3; on tight technical circuits shorten it by the same. The ratio ladder is a close-ratio race pattern: if you run more than 6 gears, keep the same top and bottom ratios and space the extras evenly between them. Shorten 1st slightly if you bog off slow corners.
Alignment
| Setting | Value |
|---|---|
| Front Camber | -2.0 |
| Rear Camber | -1.5 |
| Front Toe | 0.0 to 0.1 out |
| Rear Toe | 0.0 to 0.1 in |
| Caster | 5.5 to 6.0 |
Moderate camber keeps the tyre surface on the road through body roll. A little front toe-out sharpens turn-in; keep rear toe-in small (0.0 to 0.1) because too much rear toe-in plants the rear and makes the car understeer. Caster scales with weight, but avoid going too high: excess caster loads the front tyres in a way that dulls turn-in and adds understeer.
Anti-Roll Bars
| Setting | Value |
|---|---|
| Front | 19.9 |
| Rear | 32.6 |
| Mech. Balance Target | 0.55 to 0.65 (aim 0.60) |
The split runs a soft front and stiffer rear to fight understeer: softening the front bar gives the nose more grip, and the stiffer rear helps the car rotate. Use the mechanical balance readout and aim for 0.55 to 0.65. To cure understeer, always soften the front rather than stiffening the rear, which only makes the rear looser.
Springs
| Setting | Value |
|---|---|
| Front Springs | 679 lbs/in |
| Rear Springs | 1018 lbs/in |
| Front Ride Height | Minimum |
| Rear Ride Height | Minimum |
Springs are calculated from your car's weight and distribution, targeting a firm 2.6 to 3.2 Hz race frequency that stiffens with class. Modern FH6 tarmac tunes run stiff, so these are deliberately on the harder side for sharp response and body control. Minimum ride height lowers the centre of gravity for grip on smooth tarmac. If a value falls below your car's slider range, just set the lowest the car allows.
Damping
| Setting | Value |
|---|---|
| Front Rebound | 9.1 |
| Rear Rebound | 13.7 |
| Front Bump | 5.5 |
| Rear Bump | 8.2 |
Damping follows the spring frequency and the weight over each axle: the heavier end gets the stiffer damper. Bump is 60% of rebound. If the car feels harsh over kerbs, reduce bump on both axles first.
Aero
| Setting | Value |
|---|---|
| Front Downforce | 40% of total aero (if fitted) |
| Rear Downforce | 60% of total aero (if fitted) |
| Aero Balance Target | 0.40 to 0.45 |
The meta aero balance is 0.40 to 0.45, meaning roughly 40% front and 60% rear downforce. This gives a stable, rear-planted car at speed. Check the aero balance readout in the tuning menu and adjust sliders to hit this target. Maximum downforce at both ends is generally fastest for circuits.
Brakes
| Setting | Value |
|---|---|
| Brake Balance | 50% to 55% |
| Brake Pressure | 110% |
Front-biased brake balance prevents rear lock-up under heavy braking. FWD cars need more front bias as the rear is lighter. Pressure above 100% lets you brake later, which is where lap time is won; back it off if you lock up regularly. If the car spins under braking, move the balance further forward.
Differential
| Setting | Value |
|---|---|
| Acceleration | 55% |
| Deceleration | 10% to 20% |
Keep accel lock moderate (around 40 to 55%, a touch higher with more power). A locked rear axle resists rotating under throttle, which is the most common cause of corner-exit understeer: the car drives straight off the corner instead of turning. Moderate lock lets the rear wheels turn at slightly different speeds so the car rotates and still puts the power down. Raise it a few percent if the inside wheel spins up on exit; lower it if the nose washes wide. Keep deceleration lock low (10 to 20%): higher decel steadies the car on lift-off, a hidden cause of corner-entry understeer.
Frequently asked questions
Is the Porsche 911 GT2 RS good in Forza Horizon 6?
Yes. It is a current meta pick for Road Racing at S2 class, straight from the FH6 Rivals leaderboards.
What class is the Porsche 911 GT2 RS best at?
It is meta at S2 class in Forza Horizon 6.
How should I run the Porsche 911 GT2 RS?
Run it RWD with Stock F6-TT. The full upgrade order and exact tuning values are on this page.
Build this exact setup in the FH6 tuning calculator, read the full Road Racing tuning guide, or the differential tuning guide.