Infiniti moving away from V8 power
"I am afraid (U.S.) CAFE regulations and emission regulations around the world make the development of V8s as part of a new family of engines almost impossible," reiterated Andy Palmer, executive vice president for Nissan. That said, Palmer later told the Australian site that having a V8 in its lineup does not dictate overall performance. "F1 has gone V6 for example. You can get the performance out of a V6 or an I4 and you can get the fuel consumption out of it." Moving forward, Infiniti will likely switch to boosted four- and six-cylinder powertrains that will offer comparable V8 performance with better overall fuel economy.
This certainly isn't a new trend in the automotive world. Many automakers are ditching V8 engines for more efficient V6 powerplants. Audi, for example, has replaced the vast majority of its 4.2-liter V8 engines with 3.0-liter supercharged V6 units in just the last couple of years. And on a larger scale, Ford is enjoying lots of success with its 3.5-liter twin-turbocharged V6 under the hood of its once V8-only F-150 pickup.
Here in the United States, Infiniti uses a 5.0-liter V8 under the hood of the FX50 and employs a larger 5.6-liter V8 in the M56 sedan and QX56 SUV. The report does not say if these V8-killing plans will also affect the Nissan lineup, which currently utilizes eight-cylinder engines in the Armada SUV, Titan pickup and NV commercial van.
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