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GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

Gas mileage question

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Old Dec 3, 2020 | 10:58 PM
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Cool Gas mileage question





That’s my fill up 15 ish gallons
but on this website it says 18ish gallon
can someone confirm...
is my tank smaller cause it’s AWD..!???
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Old Dec 5, 2020 | 08:37 PM
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Unless you take a big risk, you generally don't drive with a nearly-empty tank so you never put the same gas volume as what the tank holds.

But there's something else I noticed that struck me when I had the GS: the reserve light appears when there's about 15 liters left (4 gal). Way more preventive than most cars I know, whose reserve light says go to the station within the next minutes or you're stranded. And when the needle faces the last line, it's not empty: it can go lower, you can see it if when you shut the car off. To test that I drove one time long enough I nearly reached that point, I managed to put 67 liters out of 71.

I think these are just measures taken by Lexus so we don't go too low on gas to avoid breaking the fuel pump.
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Old Dec 5, 2020 | 08:54 PM
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Originally Posted by PauloFR
Unless you take a big risk, you generally don't drive with a nearly-empty tank so you never put the same gas volume as what the tank holds.

But there's something else I noticed that struck me when I had the GS: the reserve light appears when there's about 15 liters left (4 gal). Way more preventive than most cars I know, whose reserve light says go to the station within the next minutes or you're stranded. And when the needle faces the last line, it's not empty: it can go lower, you can see it if when you shut the car off. To test that I drove one time long enough I nearly reached that point, I managed to put 67 liters out of 71.

I think these are just measures taken by Lexus so we don't go too low on gas to avoid breaking the fuel pump.
my lights in my car comes on at 16mpg left
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Old Dec 5, 2020 | 08:55 PM
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Originally Posted by PauloFR
Unless you take a big risk, you generally don't drive with a nearly-empty tank so you never put the same gas volume as what the tank holds.

But there's something else I noticed that struck me when I had the GS: the reserve light appears when there's about 15 liters left (4 gal). Way more preventive than most cars I know, whose reserve light says go to the station within the next minutes or you're stranded. And when the needle faces the last line, it's not empty: it can go lower, you can see it if when you shut the car off. To test that I drove one time long enough I nearly reached that point, I managed to put 67 liters out of 71.

I think these are just measures taken by Lexus so we don't go too low on gas to avoid breaking the fuel pump.
I only did it to see how much mpg left on my tank this one time
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