Volkswagen chairman Martin Winterkorn has dropped the biggest hint yet that Bentley is considering a diesel engine option for some models.

In an interview with Germany’s Auto Motor und Sport this week, Winterkorn answered questions about the state of Volkswagen’s upper luxury marques, saying: “With Bentley we will react to the changing market conditions. I could well imagine a six-cylinder twin-turbocharged diesel in a Bentley.”

Winterkorn’s comments oppose those of Bentley boss, Franz-Josef Paefgen, who recently told journalists that Bentley was not planning to introduce a diesel engine in any model.

The diesel referred to by Winterkorn is a new twin-turbo 3.0-litre V6 common-rail unit presently undergoing development by Audi. Rumoured to deliver over 300bhp and over 440lb ft of torque, it should be unveiled in the third-generation A8 at next year’s Frankfurt motor show.

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