Each sim has its own character. I present all four in the same format so that you can compare them easily.
iRacing is the online racing sim that puts competition at its heart. You race against people from all over the world, and the system sorts you into suitable splits according to your skill. Everything is structured like a real racing calendar: fixed start times, series and seasons.
The cars are licensed and the tracks laser-scanned. A rating system with licence classes ensures fair fields and rewards clean driving. On top of that come the special events, such as the 24 Hours of Daytona, Spa and the Nürburgring.
More than 80 official racing series, from single-seaters to touring cars, plus private leagues and self-organised events. Many German teams and championships race here, for example in the Digitale Nürburgring Langstrecken-Serie.
For anyone looking for real competition and willing to invest time. A wheel and pedals are recommended, but a gamepad is fine to start with.
Assetto Corsa Competizione, ACC for short, is the official game of the GT World Challenge. It focuses entirely on GT3, the sports car class in which manufacturers such as Porsche, Mercedes-AMG, Ferrari and Lamborghini race against each other.
The cars and tracks have been laser-scanned. The weather changes dynamically, and the famous 24-hour race at Spa can be driven at different times of day.
There are career, championship and free driving modes. Online, a ranking system sorts you by performance and driving behaviour, and leaderboards show where you stand with the same car, the same track and the same weather.
For GT fans and anyone looking for a clearly focused sim with plenty of depth in its handling.
Assetto Corsa EVO is the next generation from Kunos, the successor to the original Assetto Corsa. The sim grows with every update: at launch in January 2025 there were five tracks and 20 cars, and new content has been added since.
A driving school awards licences that unlock faster cars and events. AI opponents adapt to your level, and with the showroom and customisation options the car becomes truly yours. Virtual reality headsets and triple-screen setups are supported.
Free practice, quick race, driving school and special events. On 9 December 2026 an update brings the open Eifel region around the Nürburgring Nordschleife, online with up to 30 players.
For anyone who wants to follow a sim as it grows and enjoys seeing it progress. Please note: not everything is finished yet, and the full release is still to come.
Le Mans Ultimate revolves around the FIA World Endurance Championship and the 24 Hours of Le Mans. It is a standalone game and no longer an add-on for rFactor 2.
Fast Hypercars and the GT cars are on track at the same time, so lapping traffic is part of everyday racing. Day-to-night transitions, dynamic weather and tyre temperatures have a noticeable effect on the race.
Online, there has been matchmaking from the start, with daily, weekly and monthly races as well as driver and safety ratings. A career mode and the return of the Le Mans Virtual Series have been announced as long-term projects.
For endurance fans and anyone who loves racing with traffic, strategy and team spirit.
You can find prices and features on the makers’ websites. The sims are constantly changing.
Names, logos, images and trademarks of series, teams and companies belong to their respective owners. All rights remain with them.
