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Volkswagen Polo BlueGT runs on two cylinders

The Volkswagen Polo BlueGT has given us an insight into the future of the German brand’s fuel-efficient engine technology at the Geneva motor show.
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The Polo BlueGT is the first Volkswagen production vehicle to feature cylinder deactivation technology, which allows the sophisticated city car to deliver the best of both worlds in terms of power and fuel economy.

The turbocharged 1.4-litre four-cylinder engine produces up to 103kW of power when all four cylinders are firing, 34 per cent more than the 77kW offered by the 1.2-litre turbo engine in the 77TSI model.

Despite this, when teamed with the seven-speed dual-clutch DSG transmission, the Polo BlueGT uses just 4.5 litres of petrol per 100km under European standards, compared with 5.5L/100km for the 77TSI and 4.6L/100km for the 66TDI diesel under Australian standards.

The Polo’s cylinder deactivation system works by shutting down cylinders two and three at engine speeds between 1250 and 4000rpm and at torque outputs of 25 to 100Nm. The two cylinders are instantly reactivated when the driver depresses the accelerator, with all mechanical switchovers occurring between 13 and 36 milliseconds.

Volkswagen says the Polo BlueGT’s engine is the first in a series of new powerplants that will become commonplace in the manufacturer’s all-new ‘MQB’ platform, which will underpin the majority of Volkswagen Group passenger vehicles, including the new Golf Mk7.

The Polo BlueGT will go on sale in Europe from July, but Volkswagen Australia has made no announcement about its intention to introduce the car down under at this stage.

While Volkswagen says drivers will have little idea of the cylinder deactivation technology at work under the bonnet, the Polo BlueGT is differentiated by its multi-spoke 17-inch alloy wheels, lowered suspension (dropped 15mm), GT badges front and rear, black grille and mirror caps, and a number of sporty elements from the Polo GTI, including LED daytime running lights, rear spoiler and rear bumper with diffuser.

The interior sports a black roof liner and the instruments from the GTI, along with a bespoke steering wheel and blue leather-trimmed front seats.