Suzuki will introduce a new 48-volt self-charging hybrid powertrain early next year, which will be offered in the Swift Sport, Vitara and SX4 S-Cross models.
The Japanese automaker claims that their new hybrid powertrain will offer up to 20 percent lower CO2 emissions, more torque and a 15 percent improved fuel economy in the WLTP combined cycle.
The new 48-volt hybrid powertrain will directly replace the current 1.4-liter Boosterjet engine offering more power as well, although the company didn’t share any numbers at this point.
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The newly developed powertrain is very lightweight in its design, with the company claiming a weight penalty of less than 15 kg. It consists of a 48-volt lithium-ion battery, an integrated starter generator (ISG) and a 48V-12V converter. The system will be attached to the new K14D Boosterjet engine, an improved version of the outgoing unit.
The ISG is belt-driven and will assist the petrol engine with extra torque from low down, offering 173 lb-ft (235 Nm) from 2,000 rpm. The battery, together with the converter unit, will be located under the front seats for better weight distribution. The upcoming 48V self-charging hybrid system will also be able to use electric power alone at city speeds below 10 mph (16 km/h) to further improve fuel consumption.
Suzuki will announce all the details and specifications of the new 48-Volt hybrid versions of the Swift Sport, Vitara and S-Cross in advance of their launch in Europe, which is planned for March 2020.