The new Corolla, a development of the current 12th generation range, is faithful to this spirit of innovation and Toyota’s commitment to building ever-better cars. Its status as one of Europe’s best-sellers in the C-segment for compact/mid-size models is strengthened with the introduction of Toyotas’ fifth generation hybrid electric technology – 1.8 and 2.0-litre electrified powertrains that offer more power and a more rewarding drive, yet with improved efficiency.
Total power from the 1.8-litre system is 138bhp, bringing a 1.8-second reduction in the 0-62mph time to 9.1 seconds. For the 2.0-litre system, total output has risen to 193bhp and half a second has been shaved from the 0-62mph time, taking it down to 7.4 seconds.
CO2 emissions are from 100g/km for the 1.8-litre system and 98g/km for the 2.0-litre with fuel economy from 64.2mpg (all figures WLTP combined cycle, Icon Hatchback with 16-inch wheels).
The changes introduced for the fifth generation hybrid electric system include components that weigh less and are more compact – qualities that help maintain efficiency in tandem with the increase in output – but which maintain the reliability that is a hallmark of Toyota’s technology.
Using low-viscosity oil reduces internal friction and adds to the all-round improvement in efficiency. Other detailed measures include smaller gears with teeth reprofiled to give a larger contact area and a smaller and lighter differential.
The new lithium-ion hybrid battery is smaller and lighter but has a higher output – qualities that contribute to both the car’s dynamic performance and its fuel efficiency. Compared to the battery deployed in the previous system, weight has been reduced by 14 per cent while power output has increased by 14 per cent. Toyota has optimized the battery’s cooling path to help prevent deterioration caused by temperature fluctuations and preserve battery life. Being housed beneath the rear seats, the battery unit doesn’t intrude in the car’s load space.
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