The 320d is powered by a 2.0-litre four-cylinder twin-turbo-diesel ... with both petrol and diesel requiring 59 litres to fill the tank to full capacity. Mercedes-Benz says the C 200 Sedan uses ...

And it'll need every advantage it can muster to take a chunk out of its arch rival, the all-conquering Mercedes-Benz C-Class. Eco-friendly vehicles ... for only a fraction more than $3k over the 320d ...

Even with the tide turning against diesel, the 320d is expected to represent half of all 3-series models sold in the UK. The 3 Series is as important to BMW as it has ever been, and there is added ...