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Le Mans Ultimate v1.2.3: New tire model for hypercars – now it’s getting serious!

13. February 2026
Studio 397 has released the update to version 1.2.3 for Le Mans Ultimate surprisingly early. And while we usually expect minor fixes in "interim updates," this time it's a major overhaul: the physics of the hypercars have been massively reworked.

More specif­i­cal­ly: The tyres.

We’ve gone through the patch notes and the first impres­sions and will tell you straight away what this means for your next stint in the sim­u­la­tor. Spoil­er: It’s going to be tougher, but (hope­ful­ly) bet­ter.

The new rub­ber: Small­er win­dow, harsh­er penal­ty
First things first: The tyres’ “com­fort zone” has shrunk. Stu­dio 397 has com­plete­ly over­hauled the Hyper­car tyre mod­el (a first step, as they say).

What does that mean for you at the wheel? The tyre is sig­nif­i­cant­ly less for­giv­ing. The so-called “peak” behav­iour is more pro­nounced. As long as you have grip, the car feels fan­tas­tic – espe­cial­ly in medi­um-speed cor­ners where you can now real­ly lean into the rub­ber. But the moment you exceed the lim­it, you’ll pay for it.

The tran­si­tion from “grip” to “no grip” has become much sharp­er. The win­dow for the per­fect slip angle is nar­row­er. If the rear steps out, it does so quick­ly and aggres­sive­ly. The sim­ple “catch it and car­ry on” approach is now much hard­er. Absolute pre­ci­sion on throt­tle and steer­ing input is required.

Out­laps are no longer a cof­fee cruise
Anoth­er major change affects ther­mal behav­iour. Remem­ber the old days when you could push flat out after just two cor­ners? Those are gone. The tyres now take sig­nif­i­cant­ly longer to reach tem­per­a­ture and pres­sure. The out­lap becomes a strate­gic task. If you attack the first chi­cane too aggres­sive­ly on cold slicks, you’ll spin.

The good news: Once you get the tyres into their work­ing win­dow, tem­per­a­ture spikes under high load should be less extreme. That means if you dri­ve clean­ly, you’ll get more con­sis­tent per­for­mance over a long stint than before.

Dri­ving physics and adjust­ments
The han­dling char­ac­ter­is­tics have notice­ably changed:

  • Low speed: The cars feel more “pointy” at the front (more direct turn-in). That sounds good, but it increas­es the risk of the rear step­ping out under accel­er­a­tion if you apply too much steer­ing angle.
  • LMDh auto­blip: Final­ly! The auto­blip func­tion on the LMDh cars has been improved. The annoy­ing rear lock­ing under brak­ing should now be a thing of the past.
  • Force feed­back: The FFB has been adjust­ed to match the new tyre physics. You should now (hope­ful­ly) feel exact­ly when the nar­row­er lim­it is being reached.

A small down­side: The team has already admit­ted that the wet tyres are not yet per­fect­ly aligned with the new mod­el. They are report­ed­ly extreme­ly dif­fi­cult to dri­ve. A hot­fix is expect­ed soon. So if it gets wet: lift off the throt­tle!

The update is live. Launch Steam, down­load it and tell us: Can you feel the dif­fer­ence in the force feed­back? Are you get­ting along with the new lim­it, or are you still spin­ning on the out­lap?

View the changel­ogs

See also