The Lamborghini Estoque, the four-door bull from Sant'Agata, will likely see a range of engine choices heretofore unseen from the automaker. In an attempt to meet stricter emissions standards, Lamborghini is considering turbocharging and/or the use of a diesel engine for the sedan. This would be in addition to the 5.2-liter V10 borrowed from the Gallardo, which could put out more than 500 horsepower for the Estoque. But diesel, really?

According to Lamborghini's Chief Engineer, Maurizio Reggiani, it is on the table for the sedan:

“The pressure is already on us to do something significant to lower CO2,” “We will never offer our super-sports cars with diesel engines, and we will never resort to turbocharging for those cars either; to do either would betray our heritage and customers, and for Murcielago and Gallardo we can make the savings in other way. But the opportunity is there to develop a turbocharged, maybe even a diesel engine for Estoque, and since the car could be well-priced and could sell in quite large numbers for us, it’s a big chance for us. No Lamborghini will ever emit 120g/km, but still we have to improve our figures and make progress.”

Here's a crazy thought: what about a turbodiesel? We think we've driven one that could fit the bill and provide lower emissions. [4 Wheels News]