Hyundai Motor Group has unveiled its next-generation hybrid powertrain, setting new standards for power, fuel efficiency, and driving experience. This advanced system will be used in upcoming hybrid models, delivering top-tier performance across various vehicle types.
The new hybrid powertrain includes a state-of-the-art transmission with two integrated motors. It is designed to work with a wide range of internal combustion engines, allowing the system to enhance both performance and fuel efficiency in different vehicle categories. Additionally, the system features advanced electrification technology that improves driving dynamics, ride comfort, and overall vehicle quality.
The hybrid transmission uses a P1 motor, responsible for vehicle starting, energy generation, and deployment, as well as assisting with propulsion. The P2 motor, on the other hand, manages propulsion and regenerative braking.
This dual-motor setup boosts power output, improves fuel efficiency, and ensures smooth shifting with reduced noise and vibrations. These enhancements contribute to a more refined driving experience. The transmission can be paired with various internal combustion engines across Hyundai’s lineup, offering power outputs ranging from just over 100 PS to more than 300 PS. This flexibility makes it suitable for vehicles ranging from small cars to larger models.
Drawing on expertise from its award-winning E-GMP electric vehicle platform, Hyundai Motor Group has refined its hybrid powertrain, motor, and battery control technologies. The result is improved driving performance, comfort, and added convenience features found in Hyundai’s electric vehicles, such as Stay Mode, Vehicle-to-Load (V2L), and Smart Regenerative Braking.
The first model to feature this new hybrid system is powered by a newly developed 2.5-liter turbo hybrid engine. This engine builds on the existing 2.5 turbo gasoline unit, enhancing efficiency through advanced control and design techniques. Alongside this, Hyundai will also introduce a new 1.6-liter turbo hybrid powertrain.
The system minimizes energy losses by shifting the engine’s starting and generating functions to the new P1 motor. It also boosts fuel efficiency with improved cylinder flow and a high-efficiency cycle designed for hybrid applications. The 2.5-liter turbo hybrid powertrain uses an “over-expansion cycle,” which delays intake valve closure to lower the compression ratio during intake, while maintaining a higher expansion ratio during combustion. This approach reduces power consumption and enhances energy output after combustion.
Further improvements in piston design and triple fuel injection help stabilize combustion, reducing detonation and improving overall engine efficiency.
Hyundai plans to expand its hybrid vehicle lineup by pairing the new transmission with various engine options. This will result in a range of models, from compact and mid-size cars to luxury vehicles. The 2.5-liter turbo hybrid powertrain has already debuted in the all-new Palisade hybrid, which began mass production this month.
Looking ahead, Hyundai aims to introduce a rear-wheel-drive 2.5 turbo hybrid system by 2026. The company also plans to incorporate this advanced hybrid powertrain into Genesis luxury models gradually. The system, along with other electrification technologies like Electric All-Wheel Drive (e-AWD) and Electrification-Vehicle Motion Control (e-VMC 2.0), will be tailored to meet the specific needs of each model, vehicle class, and regional market.
