Eco: David vs Goliath

Engine efficiency is the cause of the single biggest headache for automotive engineers.

It may hardly be fair to compare the 1-litre EcoBoost engne of a Ford Fiesta – the poster child for engine downsizing and efficiency – with the brute power of an AMG Mercedes in the form of 6-litre V12. In simple mathematical terms, one should always equate to six of the other, but this is not so.

Find out how efficient – or not – each of these two are by comparing them on a set of variables that makes sense in the real world.

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