Toyota claims its redesigned Vitz (Yaris) compact car with 1.3-litre petrol engine and an idling-stop system to be launched in Japan later this month has achieved the highest-level fuel efficiency of 26.5km per litre.

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This is the highest-level fuel efficiency for a petrol-powered vehicle apart from minicars and hybrids, according to the automaker.

The fuel efficiency of the current model equipped with a one-litre petrol engine and start-stop is 24.5km/litre.

Fuel efficiency of the Vitz’s mainstay model equipped with a 1.3-liter engine without start-stop system is also improved by 4 km to 24 km per litre.

The new Vitz line will continue to qualify for tax breaks for the purchase of environmentally friendly cars. It was first launched in 1999.

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