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Bentley to retire aging 6.75-liter V8 with current Mulsanne

The massive 6.75-liter V8 in the Bentley Mulsanne is one of the oldest engines still in production. But it may not be around for much longer. According to Car and Driver, Bentley intends to finally put the big old pushrod V8 to pasture once the current Mulsanne is phased out, thus putting an end to a saga that goes back some 57 years. Powerful as it may be, ever-stricter exhaust emissions and fuel-consumption regulations will see that the L Series V8, originally introduced way back in 1957, doesn't stay in production forever. Whenever the Mulsanne is replaced, it will reportedly get a brand-new twelve-cylinder engine. Bentley is currently the world's largest producer of dozen-pot powerplants. Production of the British automaker's 6.0-liter twin-turbo W12 far outpaces anything from Rolls-Royce, Mercedes-Benz, BMW, Ferrari, or Lamborghini. Over the decades since its introduction, Bentley's long-serving V8 has gone from making an "adequate" amount of power and torque to an impressive 530 horsepower and a positively massive 811 pound-feet (with the help of a couple of turbochargers). Its eventual discontinuation wouldn't be the first attempt on the life of the 6.75-liter engine. When BMW briefly took control of both Rolls and Bentley, it replaced the big engine by a smaller 4.4-liter V8. Customer demand led Bentley to bring the old engine back. It will likely be some time before we get details of Bentley's next powerplant. Models like the Mulsanne and Rolls-Royce Phantom tend to stick around for a long time, and the latest version of Bentley's flagship was just released earlier this year. Related Video:

Bentley Bentayga may spawn sportier fastback version

In the past few years, Bentley has shown us two different conceptions about what its future might look like in: the SUV that started life as the EXP 9 F concept and has now entered production as the Bentayga, and the EXP 10 Speed 6 concept that previews a future sports coupe from the stoic British marque. The next step is an SUV that combines a little of each of them. According to Automotive News, engineers and designers in Crewe are currently laying the groundwork for a crossover that would blend the tall form of the Bentayga with the roofline of the Speed 6. The result would be similar in form, we'd imagine, to the likes of the BMW X6 and Mercedes GLE Coupe, only even further upscale. We wouldn't be surprised to see more changes than the roofline and tail section, either, with a sportier front end and more avant-garde headlights (like those we saw on the Speed 6 concept) giving it a sportier, less stodgy appearance all around – and maybe, just maybe, a different nameplate. CEO Wolfgang Durheimer wants to get the fastbacked Bentayga variant ready by 2018 or 2019 – right around the time that Rolls-Royce, Aston Martin, Maserati, and Lamborghini will be rolling out their debut crossovers. By that time, Bentley will have already have had the Bentayga on the market for two or three years, and wants to be ready to fight off the onslaught with something fresh. "Imagine the EXP 10 as an SUV. It doesn't look 'old Bentley, Durheimer told AN. "The Bentayga doesn't stop us from dreaming and looking down the road. The more success we have with it, the more we can take the best of it and run with it." Proceeding with the project will require Durheimer to get approval from the Volkswagen Group head office in Wolfsburg, but the business case seems like a slam dunk. The model would help Bentley (and VW) further capitalize on the $1 billion it already spent developing the Bentayga, following a successful business model laid out by rival BMW and which Germany's other automakers are quickly learning to emulate. This wouldn't be the first time he'd be seeking approval from Matthias Muller on such a project, either. Durheimer successfully ushered the Cayenne into production when he was head of R&D at Porsche and Muller was the brand's CEO.

Your Bentley interior can literally rock with stone trim

The ultra-luxury car market has been moving in the direction of ever more customization to provide buyers the most unique products possible. The latest move comes from Bentley and its Mulliner division, which has added some special interior trims to the existing line of gloss wood. Now buyers with the means can finish their Bentley interiors in open-pore wood, carbon fiber, aluminum, color-matched paint and even stone. The two most impressive interior trims are the stone and open-pore options. The stone veneers are made from slate and quartzite, and are available in four different colors: Autumn White, Copper, Galaxy, Terra Red or the Galaxy that's shown in the gallery above. In order to keep the stone from adding too much weight, the veneer is only 0.1 mm. It's also finished so that you can feel the texture of the rock. For the open-pore trim, Bentley offers three wood choices: Liquid Amber (made from American Red Gum), Dark Burr and Tamo Ash. Each has a unique grain that can be felt thanks to the 0.1-mm thick matte protective coating, which is a fifth the thickness of the gloss wood coating. The carbon fiber trim is pretty straightforward. It's gloss carbon fiber, though Bentley says the the resin it uses highlights the weave of the carbon. The aluminum is also fairly straightforward, featuring a thee-dimensional texture mirroring the grille of the car. The diamond-brushing is meant to emphasize the dimension to the panels. Interestingly, this option is exclusive to the Bentayga. Choosing painted trim gives owners the most variety in choice, since they can opt for any of Bentley's 88 exterior colors, or have the panels matched to the interior leather. Related Video: