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Volvo V40 D4 with new Drive-E powertrains; diesel up to 71.3 mpg

25 February 2014

Volvo Car Group’s new Drive-E powertrains (earlier post) are now also available on the Volvo V40 and V40 Cross Country. Fuel consumption in a diesel Volvo V40 D4 with a manual gearbox is down to 3.3 l/100 km (71.3 mpg US) (EU Combined), which corresponds to CO2 emissions at 85 g/km. The figure for the V40 Cross Country is 4.0 l/100 km (58.8 mpg US) (104 g/km) with the manual gearbox. All figures are preliminary.

Initially, the V40 can be equipped with two engines from the four-cylinder Drive-E engine family: the 245 hp (183 kW) gasoline turbo T5 and the turbo diesel D4 with 190 hp (142 kW). The Drive-E engines are teamed either with Volvo Cars’ new eight-speed automatic gearbox or an enhanced six-speed manual tuned for improved fuel economy. Versions with the automatic gearbox have paddles on the steering wheel for manual gear shifting.

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Volvo V40 Cross Country. Click to enlarge.

The D4 turbo diesel delivers 400 N·m of torque. The engine features i-ART technology with pressure feedback from each fuel injector instead of using a traditional single pressure sensor in the common rail. (Earlier post.)

Each injector has an intelligent chip on top of it that monitors injection pressure. Using this information, the self-adapting i-ART system makes sure that the ideal amount of fuel is injected during each combustion cycle.

The diesel also features refinements such as an advanced twin-turbo, reduced friction and a smart valve solution on the cooling system for a more rapid heat-up phase after a cold start.

The four-cylinder gasoline turbo delivers 350 N·m of torque. Fuel consumption in a Volvo V40 with the 8-speed automatic is 5.8 l/100 km (40.6 mpg US) (136 g/km).

February 25, 2014 in Brief | Permalink | Comments (1) | TrackBack (0)

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Comments

3.3 l/100 km or 71 mpg is pretty good for a car with a quite powerful 2-liter diesel engine. Other cars of this size that reach similar levels usually have 1.5-1.6 liter engines.

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