CAFE Strikes Again: Infiniti to End V8 Engine Development
September 3, 2012 9:34 PM
comment(s) - last by
Infiniti will turn to turbocharged 4- and 6-cylinder engines, hybrids, full electrics
"And another one gone, and another one gone / Another one bites the dust"
Well, it looks as though the
recently approved CAFE standards
that aim to increase automobile fuel economy to 54.5mpg by 2025 have claimed another victim. Infiniti currently has V8 engine options available in its M luxury sedan, FX crossover, and QX sport utility vehicles, but that likely won't be the case in future iterations of those vehicles.
According to a report by
increasingly stringent fuel economy and emissions regulations
mean that V8 engines are no longer on the table for Infiniti vehicles. V8 engines have traditionally been available in luxury vehicles as a symbol of prestige and power, but Infiniti will look to new ways to bring powerful engines to its lineup while still keeping fuel economy in check.
“I don’t think any car that is on Infiniti drawing boards from here onwards we should expect a V8 to be included in that plan,” Johan de Nysschen, Infiniti's global president.
Infiniti's 5.0-liter V8 produces 385hp, its 5.5-liter V8 produces 420hp, and its 5.6-liter V8 (truck-based) produces 400hp.
Infiniti to say good-bye to V8 engines
There are numerous directions that Infiniti can take with the absence of a V8 engine. Automakers like Ford already have
twin-turbocharged V6 engines
that develop 365hp while still delivering respectable fuel economy. Even Hyundai is rumored to be getting in on the action with a
twin-turbocharged 3.3-liter V6 which generates 395hp
For entry-level and mid-range models will also see a shift in available engines as well. Infiniti's current workhorse engine is the 3.7-liter “VQ” V6, but Nissan is also working on a turbocharged four-cylinder engine to deliver comparable power and vastly improved fuel economy.
Other options for Infiniti include fully electric vehicles (like the
additional hybrid models
(we’re hoping that Infiniti delivers a production version of the
Infiniti isn't the only luxury maker to drop a V8 engine from its lineup. When Lexus redesigned its mid-range GS sedan, it dropped the 4.6-liter V8 engine option and instead launched the vehicle with a 3.5-liter V6 and a
3.5-liter V6/performance hybrid model
for those that want the power of a V8.
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RE: There is technically no real reason why the V8 engine should be eliminated....
9/4/2012 7:04:08 PM
This IS the reason you don't see them more. It would be more of an engineering challenge to fit one in a transverse layout, hence more expensive...unless you shrink it, but then it's smaller displacement than the equivalent four banger. That was the point of the VW narrow angle V6 was to have the compromise the advantages of the inline with a package that could fit into a FWD platform like the Corrado or Passat.
Part of the problem with larger bores is it becomes more difficult to control the combustion and prevent pre-ignition, however with more and better sensors that issue is being improved as well as advances NVH (Noise, Vibration, and Harshness) that accompany the 4 banger imbalance.
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