• Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
  • Image Credit: Jonathon Ramsey
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.

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