Overview
In Forza Horizon 6 (FH6), the S1 Class represents the supercar performance tier, covering cars with a Performance Index (PI) range from 801 to 900. This is the level where the world’s most refined sports cars, track-spec machines, and everyday supercars compete on equal terms. Vehicles in this bracket offer high-speed stability, precision aerodynamics, and cutting-edge power-to-weight ratios, but still remain controllable enough to be driven across mixed terrain in FH6’s dynamic open world.
S1 Class stands between the raw hypercar intensity of X Class and the more accessible yet quick A Class. It’s the sweet spot for players who want to experience motorsport-level handling without losing the flexibility to participate in diverse street, circuit, and Festival Playlist events. In most FH6 championships or weekly Series challenges, S1 serves as the “flagship” class of road-based competition—the realm where cars feel balanced, agile, and breathtakingly fast without being overwhelming for mid-level tuners.
Best S1 Class Cars
The following list highlights some of the most effective and popular S1 Class performers in FH6, based on community lap times, meta tuning recommendations, and event versatility. Each of these has its own personality, handling character, and strength depending on the course type—whether it’s mountain roads, sprint challenges, or circuit loops.
| Car | PI | Drive | Why It Works |
|---|---|---|---|
| Lamborghini Huracán LP610-4 | 899 | AWD | Exceptionally stable at high speed; AWD grip lets it launch and corner with consistency. Excellent on mixed surfaces and short sprints. |
| Audi R8 V10 Plus | 893 | AWD | Balanced mid-engine layout, smooth corner entry. Responds well to aero upgrades; great choice for competitive online racing. |
| Ferrari 458 Italia | 890 | RWD | Superb throttle response and track precision. Rewards skillful driving—lightweight body and fast-ramping power curve suited to circuits. |
| BMW M4 GTS | 885 | RWD | Racing-tuned suspension delivers confident stability. High top-end PI makes it potent after moderate tuning; great for sprint or street routes. |
| Porsche 911 GT3 RS | 897 | RWD | Excellent cornering agility, responsive steering. Rear-engine traction ideal for uphill climbs and tight corners. |
| McLaren 720S | 899 | RWD | Incredible acceleration and aerodynamic finesse. Works brilliantly on high-speed tracks and coastal circuits. |
| Chevrolet Corvette Z06 (C7) | 881 | RWD | High torque and balanced weight distribution; easily mated with track tires for predictable grip. Perfect all-rounder for mixed asphalt events. |
| Nissan GT-R Nismo | 895 | AWD | Legendary traction under acceleration; can dominate rain conditions. Heavy, but its weight aids stability for long corners. |
| Mercedes-AMG GT R | 888 | RWD | Powerful front-engine dynamics and refined corner behavior. Tunable for greater downforce to become consistent over lap sessions. |
| Aston Martin Vantage F1 Edition | 884 | RWD | Balanced aerodynamics and linear braking performance. A strong pick for high-grip asphalt tracks and speed zones. |
These cars represent the current benchmark for S1 performance in FH6. Players often modify them through custom tunes to shift their focus—some prefer optimizing the Huracán and GT-R for off-road stability, while others push the lighter Ferrari 458 or Porsche GT3 RS for razor-sharp circuit times. Whatever your driving style, S1 is rich with options that combine sophisticated design and flowing power delivery.
Festival Playlist and S1 Events
S1 Class features prominently throughout the Festival Playlist in FH6’s seasonal challenges. During each week of a Series, players typically encounter at least one road event or championship restricted to S1 specifications. These events reward top-tier points, rare cosmetic items, or exclusive car unlocks.
The weekly Showcase often revolves around a supercar-level competition—such as “S1 Road Racing Championship” or “S1 Street Sprint Series.” Completing these within the performance limits (PI 801–900) tests both tuning and driving precision. AI difficulty scales aggressively in S1, meaning an under-tuned car may fall behind quickly on straight sections. Optimal power balance and aero tuning are crucial to meet the time targets or beat rivals in Horizon Tour races.
For collectors, certain S1 playlists occasionally highlight themed restrictions like “European Supercars Only” or “Modern Icons.” Keeping several lightly tuned cars in the 850–900 PI zone ensures players can instantly jump into any Festival Playlist challenge without deep re-tuning every week.
Tuning Approach for S1 Class
Tuning an S1 Class vehicle in FH6 demands careful judgment between raw acceleration and controllable handling. Because the power ceiling nears the hypercar realm, overdoing upgrades can destabilize high-speed cornering or braking. The key is balance—each fine adjustment contributes to improved lap consistency.
Suspension and Aero: In S1, aerodynamic kits and lowered suspension usually yield immediate gains. Increased downforce helps stability at 300 km/h but may slightly restrict top speed. The best tuners adjust aero across the front and rear to maintain even tire contact pressure. Circuit specialists often adopt “neutral balance” setups for predictable behavior during combined braking and turning.
Tires and Differential: Upgrading to semi-slick or race tires adds major PI cost but pays off in corner grip. For AWD models like the Huracán or R8, differential tuning allows improved torque distribution—fine-tuning center balance can create sharper exit control from corners. RWD models benefit from slightly looser differential settings to reduce snap oversteer under throttle.
Gears and Weight: Gear ratios in S1 vehicles should emphasize mid-to-high acceleration. Shorten the first few gears for quick launch, but lengthen top gears for extended straights common in FH6’s coastal maps. Lightweight components such as carbon hoods offer better rotation response but watch for stability losses on windy highways.
Braking and Stability Control: Advanced tuning may involve brake bias shifts forward for heavy front-engine cars, while mid-engine cars thrive on balanced, even braking. Stability assists can be lowered slightly if the player prefers more manual control of drifts, enabling smoother transition through high-speed bends.
Best Pick — Lamborghini Huracán LP610-4
Among all S1 options available in FH6, the Lamborghini Huracán LP610-4 stands out as the most versatile and reliable performer. Its combination of AWD traction, advanced aerodynamics, and precise steering feedback makes it equally formidable on asphalt circuits, highway sprint routes, and mixed-surface events. In the current meta, it consistently tops community leaderboards because it tolerates aggressive acceleration without losing control, even in adverse weather.
Unlike some lightweight RWD sports cars that require constant correction, the Huracán feels stable and intuitive. Players can easily adapt it to various race types—slightly detuning its aero for top speed runs or tightening suspension for technical circuits. When equipped with sport tires and balanced grip tune, it keeps a near-perfect PI of 899 while delivering explosive launch capability. This car is also accessible early in FH6’s progression system, making it an ideal long-term companion for both Solo and Online Tour events.
In short, the Lamborghini Huracán LP610-4 defines S1 excellence. It’s a supercar that embodies FH6’s vision of accessible speed—the perfect bridge between performance finesse and outright dominance in the 801–900 PI range. Whether you’re hunting seasonal championship victories or pushing personal bests in the leaderboard sprints, the Huracán remains the definitive S1 choice for any Horizon driver.