BMW 7 Series iPerformance Hybrid
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From: California
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From: Canada
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From: SG
Part of the reason for going with higher stress on smaller engines is that for many countries cars are taxed on the cubic capacity of the engine. Not withstanding that, it appears Lexus, once the leader in hybrids, is in need of catching up. The Germans can now get same economy numbers and much better performance, without a cvt.
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Joined: Oct 2008
Posts: 42,476
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From: California
Part of the reason for going with higher stress on smaller engines is that for many countries cars are taxed on the cubic capacity of the engine. Not withstanding that, it appears Lexus, once the leader in hybrids, is in need of catching up. The Germans can now get same economy numbers and much better performance, without a cvt.
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Yes that is totally correct. And they proposed that this was the best way for efficiency. But now others can achieve the efficiency, with much more performance, without the rubber band effect, which the Lexus system still has it. Interesting also that while other car makers improve on performance as they move though generations, Lexus seems to do the opposite. Why?
Thread Starter
Joined: Oct 2008
Posts: 42,476
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From: California
Yes that is totally correct. And they proposed that this was the best way for efficiency. But now others can achieve the efficiency, with much more performance, without the rubber band effect, which the Lexus system still has it. Interesting also that while other car makers improve on performance as they move though generations, Lexus seems to do the opposite. Why?
We're on the cusp of a new generation powertrains. Unfortunately the wait seems to be at a glacial pace
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From: Canada
Thanks for explaining!
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Actually, Lexus and Toyota hybrids get close to their manufacturer efficiency ratings while most European hybrids don't. The Euro MPGe test values should be taken with a few kilos of salt 
In fact, any MPGe value should be considered pointless because it doesn't mirror real world driving. It's always disheartening to read about plugin hybrids like the X5e and XC90 T8 getting 20-ish mpg once the battery pack is depleted. The dirty secret about forced induction is that you get high mpg only when off boost and these heavy plugins have to run on boost to go anywhere.
In fact, any MPGe value should be considered pointless because it doesn't mirror real world driving. It's always disheartening to read about plugin hybrids like the X5e and XC90 T8 getting 20-ish mpg once the battery pack is depleted. The dirty secret about forced induction is that you get high mpg only when off boost and these heavy plugins have to run on boost to go anywhere.
Last edited by chromedome; Jul 21, 2016 at 01:37 AM.
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Joined: Jun 2006
Posts: 360
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From: SG
Actually, Lexus and Toyota hybrids get close to their manufacturer efficiency ratings while most European hybrids don't. The Euro MPGe test values should be taken with a few kilos of salt
In fact, any MPGe value should be considered pointless because it doesn't mirror real world driving. It's always disheartening to read about plugin hybrids like the X5e and XC90 T8 getting 20-ish mpg once the battery pack is depleted. The dirty secret about forced induction is that you get high mpg only when off boost and these heavy plugins have to run on boost to go anywhere.
In fact, any MPGe value should be considered pointless because it doesn't mirror real world driving. It's always disheartening to read about plugin hybrids like the X5e and XC90 T8 getting 20-ish mpg once the battery pack is depleted. The dirty secret about forced induction is that you get high mpg only when off boost and these heavy plugins have to run on boost to go anywhere.
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