2009 Bentley Continental Flying Spur Speed Black on 2040-cars

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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:    

Is Bentley testing a hardcore Continental GT V8?

The Bentley Continental GT V8 is a darn good car. The GT V8 S, even more so. It's only logical, then that an even hotter Conti GT would be commensurately better. At least, we're hoping that's what the minds at Bentley's Crewe, UK headquarters were thinking when they dispatched this bewinged GT V8 to the Nürburgring.
This Conti GT stands out not only because of its wing, but because of its improved aerodynamics as a whole. A new front fascia, complete with a body-color lip spoiler is the big visual takeaway of this car's sportier intensions, while our spies claim this white whale rides on a lowered, firmer suspension.
The real question about this car has to do with its powerplant, though. What's under hood? The GT V8 S returns an impressive 521 horsepower while the base Conti W12 churns out 567 ponies, meaning there isn't a lot of wiggle room between what is currently the priciest V8 model and the cheapest twelve-cylinder car. The 4.0-liter, twin-turbocharged V8, though, is certainly capable of handling more than 521 hp, as Audi uses a 560-hp variant in the RS7. Our spies, meanwhile, suggest that this may merely be an even lighter version of the GT V8 S - maybe like an RS model - that is lighter and stiffer, but no more powerful.

The Bentley Flying Spur V8 shows even a basic Bentley is a nice place to be

While it is hard to call any Bentley entry-level, the Flying Spur V8 that's debuting at the Geneva Motor Show is technically the lowest rung among Bentley's four-doors. However, if our experience with the Continental GT V8 is anything to go by - the Spur and the Conti still share a platform, despite the former dropping "Continental" from its branding - the loss of a few cylinders won't harm the overall experience.
The latest model uses the 4.0-liter twin-turbo V8 with cylinder deactivation that produces 500 horsepower and 487 pound-feet of torque. It is capable of accelerating to 60 miles per hour in 4.9 seconds to a top speed of 183 mph. Power is sent to all four wheels through an eight-speed automatic transmission, and it rides on an air suspension.
Buyers wanting a little more luxury (and who doesn't?) can opt for the Mulliner Driving Specification that adds diamond-quilted leather, a leather headliner, power rear seats and 20-inch wheels. The Flying Spur V8 will join the Flying B's lineup this spring.