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Bentley builds its final 6.75-liter V8, ending a 61-year production run

Bentley has just finished its very last 6.75-liter V8. While engines come and go, this is significant because Bentley has been building this engine, known as the L-series, for 61 years. This final engine will go in the 30th and last Bentley Mulsanne, a 6.75 Edition by Mulliner, marking the end of the flagship sedan. The L-series engine was first introduced in 1959, and according to Bentley, it was developed in order to develop more power than its existing inline-six without adding weight or taking up more space. The engine in fact weighed 30 pounds less than the six-cylinder, and it made about 180 horsepower. That original engine "only" had 6.2-liters of displacement, and it wasn't until 1971 that it would reach 6.75 liters thanks to increased stroke. This final version of the engine is significantly different from its fuel injection to its twin-turbochargers, but is based on the same design. And with 530 horsepower and 811 pound-feet of torque, it's the most powerful iteration of the engine. At 61 years, the Bentley engine is arguably the V8 with the longest production run. While the first-generation Chevy small block V8 was introduced earlier for the 1955 model year and is still built in crate engine form, GM stopped using it in production cars in 2002. Far fewer Bentley engines were built, though, with a total over 36,000, as opposed to the millions of Chevy small blocks in the world. Of course, volume is sort of the antithesis of what makes a Bentley a Bentley. With the 6.75-liter engine out of production, all of Bentley's engines are derived from VW Group engines, from its W12 to the plug-in hybrid V6. Related Video:    

2015 Bentley Flying Spur V8

Despite Bentley's reputation as a holier-than-thou, ultra-luxury brand, at the end of the day, the Big B is still a business. As such, ongoing trends like powertrain downsizing and model range expansion are more prevalent at Bentley than ever. Just look at the Continental range - what started as the GT W12 has expanded into the GTC W12, GT V8, GT V8 S, GTC V8, GTC V8 S, GT Speed and GTC Speed. Talk about "have it your way."
But there's good reason for that. So many of these vehicles, despite their hand-crafted, bespoke nature, are all - gasp! - plug-and-play exercises that allow Bentley to appeal to the broadest range of upper-lux buyers, while keeping development costs relatively low. It's a move that's indeed worked, the company managing to post healthy sales increases year after year. And that's only going to get better, following the launch of the Flying Spur sedan last year, not to mention the upcoming, highly anticipated SUV that's in the works. As Kevin Rose, Bentley's member of the board for sales, marketing and aftersales told me recently, "The best years are yet to come."
To further expand an already growing range, I recently hopped a plane to London to experience the second member of the Flying Spur family - the V8. This less-powerful Spur offers better fuel efficiency and a lower staring price, while not compromising any of the brand's core values of luxury and refinement above all. But to paraphrase what executive editor Chris Paukert said when he drove the Conti GT V8 in 2012, this is indeed The Thinking Man's Flying Spur. Here, less really is more.

Bentley Bentayga to add gasoline V8 before plug-in hybrid powertrains bows

The Bentley Bentayga offers exactly one powertrain in the US: a 6.0 liter W12 with 600 horsepower and 664 pound-feet of torque. Overseas buyers get the additional option of a 4.0 liter diesel V8 with 429 hp and 664 lb-ft - the same oil burner from the Audi SQ7, denied us after Volkswagen Group pulled diesels from the US market. Auto Motor und Sport reports that Bentley will add two more powertrains to the mix over the next year, but it's unclear whether any of them will come here: a 4.0-liter gasoline V8, and a plug-in hybrid. The German publication expects the Porsche-developed 4.0-liter, twin-turbo V8 to get the nod for Bentley use. That engine serves in the Porsche Cayenne Turbo (550 hp/567 lb-ft) and Lamborghini Urus (650 hp/627 lb-ft), which both share their MLB platform with the Bentayga. Making sure not to step on the toes of the W12, the 4.0-liter petrol V8 will get something like the Cayenne Turbo's 550 hp. We've seen spy shots of the Bentayga PHEV testing at the Nurburgring, but we weren't sure what the SUV used for motivation. Porsche again donates equipment for the plug-in hybrid Bentayga, the forthcoming powertrain swiped from the Panamera 4 E-Hybrid. In the Porsche, total output comes to 462 hp and 516 lb-ft. Spy shooters captured a photo of an "EV Mode" button inside the Bentayga, so we know it will do silent running; the 14.1 kWh battery in the Panamera E-Hybrid provides 31 miles of electric-only range. Both powertrains will provide a lower price point for the Bentayga compared to the W12, a stat line that should increase the big Bentley's appeal even though sales already qualify as gangbusters, considering the vehicle. According to AMS, the 4.0-liter gas V8 Bentayga should show up sometime around summer 2018, the PHEV to follow. Related Video: