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As the motoring world prepares, or rather, braces itself for the introduction of a Bentley SUV in 2016 (and a high-riding Rolls-Royce to go against it), new reports have come in to suggest that the ultra-luxury British brand may be readying a less expensive four-door coupe model to rival the BMW M6 Gran Coupe and Mercedes CLS 63 AMG. Can someone say blasphemy?

Car Magazine UK reports that the Bentley four-door coupe will slot in below the Continental GT family (range-topping W12, 625 PS Conti GT Speed pictured here), and be the cheapest Crewe-built models come 2018. Moving downwind to take on BMW and Mercedes will increase Bentley’s sales volume and of course, shoot up its profitability.

Planned to be similar in size to the current Continental GT (under five metres), the new model will make use of the Porsche-developed MSB platform destined for the next-gen Panamera. Another viable option is the Audi D5 base being readied for the next A8 limo, but the Car report claims that Bentley designers are siding with the more flexible MSB.

Another factor is the preferred power/drivetrain arrangement. While Audi’s quattro system is based off a front-wheel drive architecture, the MSB platform allows a more rear-wheel drive-biased application, while still offering the choice of all-wheel drive. Being a modular design, it can be stretched or shortened to suit the third-gen Continental range and the next Mulsanne flagship too.