Proton’s upcoming Hybrid drivetrain to be called i-HEV

KUALA LUMPUR: Proton has finally announced that its new hybrid technology will be officially called the i-HEV intelligent hybrid system and will make its debut with its upcoming model codenamed AMA 02. 

Proton’s i-HEV drivetrain combines a petrol engine developed specifically for hybrid operation, dual electric motors, and intelligent energy management. It is designed to deliver lower fuel consumption alongside smooth, responsive performance.

“Malaysian car buyers want technology that makes their daily journeys easier. With i-HEV, we are bringing together fuel efficiency, responsive performance and the convenience of a hybrid system that requires no external charging. Whether driving through city traffic or travelling home for the holidays, the system manages how petrol and electric power are used so drivers can concentrate on their journey,” said Dato’ Ir. Abdul Rashid Musa, Deputy Chief Executive Officer of Proton.

How does the Proton i-HEV system work?

At the heart of i-HEV is a 1.5-litre dedicated hybrid naturally aspirated engine that generates a maximum power of 111 PS and a peak torque of 136 Nm at a peak thermal efficiency of 46.5%. For more efficient hybrid operation, the engine deploys an Atkinson-cycle combustion operation. It is paired with a Dedicated Hybrid Transmission (DHT) incorporating two electric motors, known as P1 and P3. 

The P1 motor starts the engine and generates electricity, while the P3 motor drives the vehicle and recovers energy during deceleration. The main driving motor delivers up to 163 PS and 220 Nm, delivering responsive acceleration when required. 

The setup also comprises a Power Control Module (PCM) that coordinates the engine, motors and battery, automatically selecting between four operating modes - EV, Series, Parallel and Direct Drive – to optimise electric and petrol power based on driving conditions.

Offers electric driving benefits with plugging in 

Proton’s new i-HEV system features a 1.38 kWh battery that recharges through regenerative braking and the engine, eliminating the need for external charging. It offers electric driving benefits without plugging in.

The production of the Dedicated Hybrid Engine, Dedicated Hybrid Transmissions (DHT) and Electric Drive Units (EDU) will be carried out at the automaker’s Tanjong Malim plant. 

“With the i-HEV intelligent hybrid system, PROTON’s focus is on delivering benefits customers can understand and experience. Alongside this, building local capabilities in hybrid transmissions and electric drive units helps develop the skills and industrial foundation Malaysia needs to be an active participant and regional hub for the production and development of future vehicle technologies,” added Dato’ Ir. Abdul Rashid Musa.

Also read: 2027 Proton S70 RS previewed in Malaysia: new grille, red brake callipers, dual-tone cabin and column shifter