Hyundai Motor Group has introduced a new hybrid powertrain system that features updated transmission and engine technologies. The system was presented during the company’s “Next-Gen Hybrid System Tech Day,” where executives outlined improvements in performance, efficiency, and driving experience for upcoming hybrid vehicles.
The new system integrates two electric motors—referred to as P1 and P2—into a redesigned transmission. The P1 motor is responsible for starting the engine and managing energy generation and deployment, while the P2 motor handles propulsion and regenerative braking. This configuration is designed to reduce energy loss and enhance the overall refinement of the driving experience. The transmission can be paired with various internal combustion engines, and system output will range from the low-100 PS level to the mid-300 PS level, enabling deployment across multiple vehicle segments.
Hyundai stated that knowledge gained from the development of its E-GMP electric platform was utilized in designing this hybrid system. Features such as Vehicle-to-Load (V2L), Smart Regenerative Braking, and Stay Mode—previously limited to electric vehicles—will be offered on hybrid models. These features are intended to increase convenience and improve efficiency.
The initial engine using the new hybrid system is a 2.5-liter turbocharged gasoline engine. This unit reassigns certain tasks to the P1 motor to minimize mechanical losses. It uses an over-expansion cycle to optimize combustion, with modifications such as delayed intake valve closure to lower compression ratios and improved piston and injection design to increase combustion efficiency. Hyundai reports that this results in improved fuel economy and performance compared to the current 2.5-liter turbo gasoline engine.
A second hybrid option, a 1.6-liter turbocharged gasoline engine, will also be available. The system includes Active Shift Control transmission logic for quicker shifts and smoother transitions between electric and combustion modes. Hyundai claims that the redesigned Palisade hybrid using the 2.5-liter turbo hybrid system achieves fuel efficiency of 14.1 km/l, a maximum output of 334 PS, and torque of 460 Nm. These figures represent improvements in efficiency and output over its gasoline counterpart.
Additional electrification technologies will be applied to hybrid vehicles, including electric all-wheel drive (e-AWD) and related systems such as Electrification-Vehicle Motion Control (e-VMC 2.0), e-Handling 2.0, e-Ride 2.0, and Electrification-Evasive Handling Assist (e-EHA 2.0). These systems are intended to improve stability, ride comfort, and safety by controlling torque distribution across the vehicle’s axles.
Stay Mode allows use of in-vehicle systems such as air conditioning and multimedia functions while stationary, using the battery rather than the engine. The V2L feature enables external devices to be powered using the vehicle’s battery, with a maximum output of 3.6 kW. Predictive control systems such as Hierarchical Predictive Control (HPC) and Smart Regenerative Braking are included to optimize battery usage and increase efficiency during driving.
The new hybrid system is set to expand across Hyundai Motor Group’s vehicle portfolio. It will be incorporated into five hybrid models, up from three currently. The redesigned Palisade hybrid is the first model to receive the new system, with other Hyundai and Kia models to follow. A rear-wheel-drive variant using the 2.5 turbo hybrid system is planned for 2026. Hyundai also intends to introduce this technology to Genesis models over time, adjusting features according to market and vehicle class.
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