SNCF Voyageurs and Alstom unveiled the fifth-generation TGV INOUI on March 11, 2025, introducing new modular interiors, enhanced passenger comfort, and improved energy efficiency. More sustainable and technologically advanced, these trains feature better accessibility, improved connectivity and a redesigned French bistro. The trains will welcome their first passengers in 2026, with testing already underway.
The TGV INOUI began its first six-month trial period at the end of 2022 in the Czech Republic. Before entering service, it will have completed over 350 weeks of testing and covered over a million kilometres, making it the most extensively tested train in history. The Trial Lab, a mobile test unit, played a key role in monitoring performance, safety, and energy consumption.
Designed to be the most eco-friendly high-speed train on the market, the TGV INOUI, exclusively made in France, is built with 25% recycled materials, and 97% of its components are recyclable. It will cut CO₂ emissions by 50%, making it the lowest-carbon train on the market. Improved aerodynamics optimise air penetration, enhancing energy efficiency while maintaining speeds of 300 km/h.
A harmonious design inspired by nature
The redesigned interior follows the ‘flow’ concept, developed in collaboration with Japanese designer Oki Sato of Nendo. It prioritises smooth transitions and organic shapes for a calming travel experience. Doors have been minimised to improve spatial flow and light, with only essential partitions retained to reduce noise.
The décor, with strong 1970s aesthetics, blends form and function. Soft, rounded edges mimic the way water shapes objects over time, while a muted yet dynamic colour palette reinforces the sense of openness. Even the restrooms are now equipped with windows, allowing for natural light.
What can passengers expect ?
The TGV INOUI can transform overnight from a 600 seats OUIGO to a 740 seats INOUI, a 20 % capacity increase, adapting to the demand without compromising passenger’s space and comfort. Standard class seats offer 5 cm more legroom, while firs-class seats are wider and fully reclining. All seats are made of 85% wool fabric, that adapts to body shapes, creating a ‘hammock’ effect. They are also equipped with adjustable head rests to prevent neck strain, mini tablet for drinks or smartphones, a 220v socket and USB plug. The iconic redesigned bright yellow reading lamp adds a touch of humour.
While bike lovers will enjoy more space for their bikes, the TGV INOUI also features a dedicated carriage for passengers with disabilities. Designed to allow autonomous boarding via a built-in lift, the layout has been optimised with adapted restrooms, wider aisles, and improved seating arrangements to ensure a more inclusive and seamless journey.
Rendez-vous au Bistro
The Bistro carriage has been completely redesigned. The lower level offers a self-service grocery section and automated payment terminals, where passengers can purchase snacks and meals and reheat food in microwaves.
A wide staircase leads to the upper deck, where up to 28 passengers can enjoy their meal in a setting reminiscent of a 1970s American diner. However, instead of pancakes and burgers, passengers will enjoy typically French terroir cuisine
Not quite yet on par with Japan’s Shinkansen (Bullet Train) in speed or technology, this last generation of high-speed train sets a new standard in sustainability, comfort, and accessibility, combining French elegance and engineering know-how. Meanwhile, in the United States, where train travel remains underdeveloped, projects like Brightline indicate progress, though the country’s rail infrastructure still lags far behind.
The TGV INOUI will debut on the Paris–Lyon–Marseille route, one of France’s busiest high-speed corridors. The fleet is set to expand across 200 destinations in France and beyond, connecting Belgium, Germany, Luxembourg, Spain, and Italy.
Full service is expected to launch in 2026, offering passengers a unique, modern, comfortable, and eco-friendly travel experience.
