4.0-liter V8 TDI sourced from the Audi SQ7.

Not only is the Bentayga the very first SUV from Bentley, but it’s also about to become the first model ever from Crewe to receive a diesel engine. A lead engineer confirmed the company’s plans to introduce a diesel-powered Bentayga towards the end of last year, mentioning it will have the same powertrain as the Audi SQ7 TDI.

The spy photos come to confirm the ultra-posh SUV is about to receive the TDI treatment, likely to happen at the forthcoming Paris Motor Show in October. We checked the prototype’s license plate in the database of U.K.’s Driver and Vehicle Licensing Agency (DLVA) and discovered the vehicle was equipped with an engine featuring a displacement of 3,956 cc. It’s clearly the 4.0-liter TDI V8 of the aforementioned SQ7 TDI. As a side note, Audi’s biturbo 4.0-liter TFSI V8 gasoline engine has a slightly bigger displacement, at 3,993 cc.

From what we are seeing so far, the diesel Bentayga is going to look virtually the same as its gasoline-powered sibling, with the only exception being the different shape of the exhaust tips. In the Audi, the beefy engine with its electric powered compressor pushes out a monstrous 435 horsepower (320 kilowatts) and 663 pound-feet (900 Newton-meters) of torque. It’s unclear at this point whether the output numbers will increase for the Bentayga, but it would make sense given the model’s significantly higher price tag.

Audi SQ7 TDI UK Spec
Audi SQ7 TDI
Audi SQ7 TDI UK Spec

Tipping the scales at a hefty 5,136 pounds (2,330 kilograms), the SQ7 runs to 62 mph (100 kph) in only 4.9 seconds thanks to the huge amount of torque available from a very low 1,000 rpm. It will continue to accelerate until the electronic speed limiter will kick in at 155 mph (250 kph). The diesel Bentayga’s weight will likely be in the same ball park, so performance should be similar, unless the Bentley will have even more power.

It’s too soon to say whether the TDI-powered Bentayga will make it stateside, but we wouldn’t hold our breath given the Volkswagen Group’s scandal regarding the diesel tricks.

If the diesel-equipped Bentley Bentayga will indeed show up in Paris, most likely we will have official images of the torquetastic beast sometime in September.

Gallery: 2017 Bentley Bentayga diesel spy photos

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