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[NEWS] Bentley tipped to replace W12 engine with V8 PHEV

Bentley tipped to replace W12 engine with V8 PHEV

Bentley Continental GTC PHEV spy nurburgring left side
Bentley has been spotted testing a Continental GTC with a plug-in powertrain

Bentley Continental GTC plug-in hybrid starts testing as firm hints at switch to electrified V8

Bentley is poised to replace its emblematic W12 engine with an even more powerful plug-in hybrid system – one that Matthias Rabe, the company’s head of engineering, hints is likely to be based around a V8. 

“I want all of our future plug-in hybrids to be more powerful than today’s 12-cylinder,” Rabe told Autocar at the launch of the Bentley Bentayga EWB in Canada. “I don’t want a reduction in power.” 

Bentley has three existing PHEV powertrains, each using a 3.0-litre V6, but the 443bhp and 456bhp options in the Bentayga and the 536bhp one in the Flying Spur are shy of the output of the venerable W12, which makes 650bhp in the Continental GT Speed and 730bhp in the limited-run Mulliner Batur. 

Sibling brand Porsche, meanwhile, uses a PHEV powertrain that combines a 134bhp electric motor with the Volkswagen Group’s 4.0-litre twin-turbo V8, making 671bhp in the Cayenne Turbo S E-Hybrid and 690bhp in the Panamera version. This could serve as the basis for similar options in the closely related Bentayga, Continental and Flying Spur. 

Bentley has confirmed to Autocar that PHEV mules are currently out testing, as the entire range will offer a plug-in option by 2025, and our spies have snapped a Continental PHEV on the roads for the first time.

Although Bentley wouldn't confirm the ICE base of the powertrain in the testing mule, Rabe hinted that an electrified V8 is on the cards. 

“We've had fantastic six-cylinder engines in the past, but I think Bentley today is normally either eight-cylinder or 12-cylinder, and a hybrid combined with the eight-cylinder would be a perfect fit," he said. "Also from the point of view of weight distribution, because you can achieve something like 50:50.” 

Before a V8 PHEV Bentley arrives, the W12 may well get a spectacular sign-off, because Rabe said the company is toying with the idea of commissioning a higher-performance derivative to commemorate its retirement. 

“The Batur showed we can go higher. It is good for up to 750hp [metric],” said Rabe. “For sure we will celebrate the last W12, but the final decision isn't made whether we commission something. 

“We could do a special series with a little more power… Does it make sense for 200 or 300 cars with a little more performance? It could be done, but it would have to make sense.”

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