The software you install decides what kind of sim rig you’ve built.
Assetto Corsa, iRacing, and F1 can run on similar hardware and give you three very different reasons to keep coming back. Assetto Corsa gives you room to add and change content. iRacing turns your week into scheduled competition. F1 25 gets you into current F1 cars and circuits quickly.
The sim that belongs on your setup depends on what you want from it, and also who else will be using the seat.
The Games at a Glance
Below is a brief look at some of the key things a lot of sim racers value highly in their gaming experience, and which game offers the best fit for those needs. Continue reading for a more detailed look at each game’s full offering to find out which one might be for you.
| If you care most about | Best fit |
| Mods and reshaping the sim to suit you | Assetto Corsa |
| Plenty of cars and tracks with no subscription | Assetto Corsa |
| Organised online racing with a ranking behind it | iRacing |
| A wide mix of racing disciplines | iRacing |
| Current F1 cars, teams, and circuits | F1 25 |
| Sitting a beginner down and getting them driving | F1 25 |
| Racing on a console rather than a PC | F1 25 |
Image Source: F1 25
Driving Experience, Realism, and the Learning Curve
As an overall experience, Assetto Corsa still feels excellent through a wheel, especially with road cars and well-made race car mods. Consistency depends heavily on what you load. The base game, a paid RSS Formula car, and something pulled from a random mod page can feel like three different developers made them.
iRacing takes more practice to get comfortable with. Braking, tyre behaviour, and clean inputs all need attention, and your Safety Rating and iRating follow you from race to race. Regular drivers end up learning braking points corner by corner, checking replays, and practising before the week’s races.
Assetto Corsa and iRacing both give you more detail around grip and car behaviour than F1 25. Assetto Corsa varies more because the quality of the car or mod changes the experience.
What this means, though, is that F1 25 is the easiest to sit down with cold. Its driving assists and proficiency settings let you adjust the AI, use flashbacks, and add help for braking, traction, gears, ERS, and DRS. An F1 fan can pick a team they know, recognise the circuit, and get driving quickly.
Image Source: Assetto Corsa
Cars, Tracks, and Mods
For modding, Assetto Corsa has the loosest boundaries of the three. PC mods are a large reason it still turns up in new simulator builds more than a decade after release. You can add historic F1 cars, prototypes, club circuits, hill climbs, and reworked versions of existing tracks.
On a mod-heavy PC build, Content Manager and Custom Shaders Patch usually replace the original launcher.
Mod quality varies a lot. A good car or track can feel polished enough to build a rig around. A bad one can have odd tyre behaviour, weak force feedback, or physics that never feel right. Test the exact content you plan to use before building a permanent setup around it.
Every iRacing car and track comes directly from iRacing. Its current base package includes more than 30 cars and over 25 tracks, while the wider library covers Formula cars, sports cars, prototypes, NASCAR, and dirt. Everyone in an official race runs the same content.
F1 25 stays focused on Formula 1. The 2026 Season Pack adds Audi and Cadillac alongside the current cars, teams, and drivers, plus MADRING in Madrid. MADRING can only be driven with the 2026 cars.
An important note is that Assetto Corsa EVO is still in Early Access. Update 0.9 arrived in August 2026, so the original remains the safer choice today if you want a mature mod library.
Image Source: iRacing
Online Racing and Esports
iRacing earns a lot of its subscription fee through the way online racing works. Races run to a published schedule, the field gets split by ability, the Safety Rating tracks how cleanly you drive, and your results move your iRating. Open it late on a Tuesday, and you’ll usually find organised races without hunting down a league first.
However, that same system can frustrate you at times. Somebody else’s crash can still cost you rating. And if you and your friends have very different iRatings, there’s a good chance you’ll end up in different official splits.
Assetto Corsa has public servers, private races, and a busy league scene, but you have to find the racing you want. This offers a bit more freedom to roam but won’t offer the exact same structure that iRacing does if that’s what you’re looking for.
F1 25 is the easiest of the three to understand if you follow the sport. The cars and circuits are already familiar, and the top of the ladder is a championship you can watch for free. The 2026 F1 Sim Racing World Championship runs 12 rounds with nine F1 teams chasing a share of $750,000, and it’s raced on F1 25 itself.
Image Source: iRacing
Starting Cost and Additional Content
Using current US list prices, Assetto Corsa is the cheapest of the three to keep running. The base game is $19.99 on Steam before sales. You add whatever DLC you want, and paid mods are optional.
iRacing keeps charging as you move beyond the included content. A 12-month direct subscription rose to $124.50 on August 18, 2026. Cars generally cost $11.95, while tracks cost $11.95 or $14.95. A fully paid series can push a first year into the $200 to $300 range.
F1 25 uses a normal game-and-expansion model. EA’s US list price for the 2026 Season Edition is $49.99. If you already own F1 25, the 2026 Season Pack lists at $24.99 on PC and $29.99 on console. The next full F1 game in 2027 will be another purchase.
Hardware and Platforms
iRacing is PC only. Assetto Corsa has console versions, but the mod-heavy experience covered here is a PC thing.
F1 25 runs on PC, PS5, and Xbox Series X|S, with official wheel support across Fanatec, Logitech, Thrustmaster, MOZA, Simagic, and more.
If you’re setting up a wheel for it, our F1 25 wheel settings guide has starting points for the major brands.
Image Source: iRacing
Home Rigs vs Commercial Rigs
At home, choose based on how you actually use the rig. Assetto Corsa suits someone who enjoys changing the sim. iRacing suits someone who wants regular online competition. F1 25 works well when Formula 1 is the draw or when one rig has to work for a household with very different skill levels.
A commercial rig has a harder job. Customers need to start driving quickly. Staff need simple session resets. Four rigs need to behave like four copies of one machine. A bad connection or badly timed update can wipe out an evening of bookings.
The software licence matters too. The standard Assetto Corsa licence requires written permission from Kunos for public, promotional, training, or commercial use, whether the session is free or paid. Buying extra retail copies doesn’t change that condition.
EA’s user agreement covers personal, non-commercial use, so a venue shouldn’t assume a standard F1 25 purchase covers paid public sessions.
iRacing has a commercial licence programme covering anything from a single event pod to a permanent race room. It also has an offline trade-show build for sites without dependable internet.
rFactor 2 sells commercial licences and powers F1 Arcade. RaceRoom’s commercial systems can run networks of 2 to 24 simulators. Both deserve a look when quick resets and simple staff operation matter.
Which One Should You Run?
Pick Assetto Corsa if you want a simulator you can keep changing: new cars, new circuits, and new versions of tracks you already own. Just be aware that sorting the good mods from the bad ones takes time, especially if you want a setup you can leave alone once it works.
Pick iRacing if the point of the rig is racing other people. The organised competition gives you a reason to come back every week. Budget for the ongoing content costs, and accept that somebody else’s mistake can still wreck a clean race.
Pick F1 25 if you want the shortest gap between sitting down and driving a car you recognise around a circuit you’ve watched all season. It also works well when one rig needs to suit different skill levels. If detailed car behaviour is the priority, Assetto Corsa and iRacing go further.
For a commercial setup, the decision starts with the venue. Who will drive it? How quickly do sessions need to turn over? What can staff manage on a busy night? And which software can you license for the way you plan to use it?
And whether you’re building a home rig or kitting out a venue, SimStaff can help you match the hardware and software to your space, as well as short-term rentals give you a chance to try a setup before you spend the money.
