Geely showcases new i-HEV power 45 km/L efficiency set to challenge Japanese dominance

Geely has unveiled its latest hybrid breakthrough, the "i-HEV" technology, boasting a maximum efficiency of over 45 km/L. This new powertrain aims to go toe-to-toe with established Japanese hybrid giants.

The i-HEV Powerplant

Geely revealed that this new system reduces energy consumption by more than 10% through AI-integrated energy management. This strategic move aligns with a broader shift in the Chinese automotive market: moving away from the high costs of large EV batteries in favour of compact 1–2 kWh hybrid batteries.

Furthermore, Geely claims a world-leading thermal efficiency improvement of 48.4%—the highest for any mass-produced engine. With a total output of 230 kW, the system can propel a vehicle from 0 to 30 km/h in just 1.84 seconds, the fastest in its class. Under various driving conditions, the technology has reached a peak fuel economy of 45 km/L.

Peak power of 230kW / 80% electric drive sensation / 0.30km/hr. in 1.84 sec.

The Implementation

For 2026, Geely has confirmed two primary models to feature i-HEV technology: the Geely Preface (luxury mid-sized sedan) and the Geely Monjaro (full-size SUV). Both models will be packed with high-end features, including multi-screen displays, Flyme Auto OS with Huawei HiCar connectivity, Head-Up Displays (HUD), and ventilated massaging seats.

In terms of real-world efficiency, the Preface achieves 25.1 km/L (WLTC), while the Monjaro delivers 21 km/L—figures that directly rival the current standards set by Japanese manufacturers.

The i-HEV system implementation on the car.

The Future 

The landscape of automotive propulsion is shifting. Chinese giants like Geely, Chery, and Changan are now aggressively developing next-generation hybrid systems, with some aiming for targets as high as 40–50 km/L.

With Toyota currently leading the global hybrid market with over 4.4 million units sold, it is no surprise that Chinese manufacturers are pivoting towards this sector. It is a dual-purpose strategy: drastically reducing manufacturing costs whilst simultaneously seizing a larger share of the global hybrid pie.

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