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Discussion Starter · #1 ·
While still nothing officially official there are some things we can discern through simple observation.

NX300h shares a powertrain with the the Camry Hybrid which can regularly pull down 40 mpg. Considering the increase in size and weight difference 35 mpg for the 300h is probably the sweet spot, no?

However there is this Estonian document that claims 5.5L/100 km which would translate to 43 MPG...

http://www.unelmauto.ee/lexus-nx-300h-tehnilised-andmed

???
 

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40mpg's would be awesome but it's tough to say if it will really do that, at least we're getting close to the point that people will get these and we'll see some real world numbers.
 

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35mpg is ok, but not awesome considering the Acura RDX get 28 mpg with a V6 that will run 0-60 in 6.5 sec, now city driving will favor the hybrid, so I can't comment on that, hopefully the 2.0T will be good mpg wise.
 

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I'm guessing somewhere in between the two numbers that we have here. Car companies usually over estimate their MPG figures, so I would expect it to be less than 43 mpg, but I hope that they wouldn't be off by too much.
 

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either way knowing the numbers that lexus and toyota usually get for mpg's are good, i'm not too worried at what the nx will get, hopefully it can consistely stay above 30mpg's
 

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What about that idling-stop system or whatever it's called? Did anyone account for that and will it be a capability of the non-hybrid variants?
 

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Discussion Starter · #9 ·
What about that idling-stop system or whatever it's called? Did anyone account for that and will it be a capability of the non-hybrid variants?
stop start is usually good for next to nothing. Its like a 1% or 1 MPG savings (can't remember which) so in essence you're saving next to nothing as a trade off for extra component stress.
 

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stop start is usually good for next to nothing. Its like a 1% or 1 MPG savings (can't remember which) so in essence you're saving next to nothing as a trade off for extra component stress.
yup, all it does is sound cool but when it's looked at in detail, it's just a waste and just adds to what can go wrong.
 

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Autoexpress in their long term test of the IS300h were seeing a real world economy of 52.6 mpg, if you convert that into American Gals its 43.6 MPG.

Lexus estimates 32-33 MPG combined for the 300h. Interested in real world figures
 

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Autoexpress in their long term test of the IS300h were seeing a real world economy of 52.6 mpg, if you convert that into American Gals its 43.6 MPG.

Lexus estimates 32-33 MPG combined for the 300h. Interested in real world figures
I think the EPA numbers will mirror or be off by 1 mpg to the Lexus estimates. It would be interesting to do two comparison tests, one driving for economy (hypermilling and slow acceleration) and one driving like you were in a hurry.
 

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I get mixed-up with liter to gallon conversions because I don't know if they are using UK or US gallons. 1 UK gallon = 4.5461 liters. 1 US gallon = 3.7854 liters. So if the website is in Europe, are they reporting UK gallons?
 

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EPA is pretty accurate to REAL-WORLD for an average consumer/driver. There are rare exceptions due to manufacturers cheating the system (*cough...Ford...cough*)...but EPA is accurate.
 
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