However, sometimes you want to break the simulation rules and turn a 12-ton semi-truck into a land-missile. If you are searching for the experience, this guide covers everything you need to know about downloading, installing, and driving high-speed physics mods safely without crashing your game. What is an "Extra Quality" 400 KM/H Speed Mod?
For players looking to break the default 90 km/h speed limit in Euro Truck Simulator 2
A "400 km/h" mod isn't just about removing a cap; it’s about a fundamental overhaul of the truck's physics and powertrain: euro truck simulator 2 speed mod 400 km h extra quality
Even with mods, are hard-capped at 90 km/h for fairness. To use your speed mod, you must take standard Freight Market or Quick Jobs . ⚠️ Important Considerations
Euro Truck Simulator 2 (ETS2) is famous for its relaxing, realistic depiction of long-haul European trucking. You manage fatigue, obey strict speed limits, and navigate tight highways at a steady 90 km/h. But sometimes, you want to throw the rulebook out the window. If you are tired of the slow lane and want to transform your cargo hauler into a low-flying jet, the edition is exactly what you need. However, sometimes you want to break the simulation
For "extra quality" performance, use mods that significantly multiply engine torque and horsepower.
To reach speeds near 400 km/h, you must first disable the game's internal limiters: For players looking to break the default 90
The delivers genuine triple-digit performance by reworking more than just the engine file. Every system that affects high-speed behavior has been tuned:
As of mid-2026, the best mods are found on the Steam Workshop, offering easy installation and automatic updates. 1. The "Ultimate Performance" Engine Pack
At 400 km/h, you cover 111 meters per second . If the GPS says “turn right in 500 meters,” you have less than 5 seconds to react. Miss the exit? Enjoy the next three countries.