Suzuki announces new

hybrid models

Suzuki Swift Sport hybrid, 2019, front
Suzuki Vitara hybrid, 2019, front
Suzuki S-Cross hybrid, 2019, front

JAPANESE car brand Suzuki is the latest to announce more plans for the electrification of its models with the introduction of three mild-hybrids next Spring.

The new 48-volt hybrid powertrain will be introduced for the Swift Sport and the Vitara and S-Cross SUV models and offer up to 20 per cent lower CO2 emissions, a greater level of torque and 15 per cent overall improvement in WLTP combined fuel consumption.

These models will replace the current 1.4-litre Boosterjet derivatives with manual transmission.

Similar in principle to the 12-volt Hybrid SHVS (Smart Hybrid Vehicle by Suzuki) system that Suzuki pioneered in 2016 which is fitted to all manual transmission models in the Ignis range and Swift SZ5 models, the newly developed 48-volt hybrid powertrain is lightweight in design and the components add less than 15kg to the overall weight of the vehicle.

The new and higher-powered Suzuki SHVS system consists of a 48V lithium-ion battery, Integrated Starter Generator (known as ISG) and 48V-12V (DC/DC) converter to power components requiring lower voltage including lights, audio and air conditioning.

The ISG acts as both a generator and starter motor, is belt driven and assists the petrol engine during vehicle take off for a higher level of torque with 235Nm available from 2,000rpm.

The compact and high-performance lithium-ion battery stores electrical energy recovered from deceleration and braking and incorporates an idle stop function operated via the Integrated Starter Generator.

This battery, along with the DC/DC convertor unit, are located under the front seats to assist overall weight distribution.

Suzuki says a further benefit of the new hybrid system is the introduction of electric motor idling when the clutch is disengaged and the engine speed is approximately 1,000rpm.

This feature essentially replaces fuel injection with power from the electric motor to then control and maintain engine idling at vehicle speeds below 10mph and when stationary.

The function eliminates fuel consumption under these conditions as engine momentum is electrically controlled by the ISG unit and the car is ready to re-accelerate on request with no engine restart delay.

Further detail and full specifications of the three new hybrid models will be announced in advance of their launch which is planned for March 2020.

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