With CO2 emissions of only 95 g/km, Nissan’s all-new Micra DIG-S has one of the cleanest petrol engines in the world. To achieve this, the Japanese firm's engineers used a 1.2-liter three-cylinder unit fitted with a supercharger and direct injection, which can be coupled either to a manual transmission or a CVT automatic gearbox.
The powerplant uses the Miller cycle and with a peak output of 98HP and 142 Nm (105 lb-ft) of torque, it’s said to be on par with a conventional 1.5-liter four-cylinder unit. Other technical highlights include the 13:1 compression ratio that increases combustion efficiency, the reduced heat, friction and pumping losses thanks to fewer moving parts, and advanced engine management systems with Start/Stop feature and energy regeneration capabilities.
When equipped with a manual transmission, the entry-level trim grade of the Micra DIG-S can hit a top speed of 180 km/h (112 mph), while returning estimated fuel consumption of 4.1 lt/100 km (57.4 US mpg) on the combined cycle with 95 g/km of CO2.
Manual variants with higher trim levels (Acenta and Tekna) emit 99 g/km due to the added equipment. The CVT version is the least efficient of the pack, but with CO2 emissions of 115 g/km is still a proper tree hugger’s car.
Depending on market, the Micra DIG-S is also exempt from road tax and/or congestion charges and customers can benefit from further tax breaks and governmental incentives.
Nissan will showcase the DIG-S at the Geneva Motor Show in March with European sales set to debut this summer. It will be only available in a five-door body style and with three trim levels. Besides the supercharged engine, the Japanese automaker is offering an 80HP 1.2-liter naturally aspirated variant as well.
By Csaba Daradics
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