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

Highest MPG reached On GS350 3rd gen?

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Old 05-18-12, 10:00 AM
  #16  
glau
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I'm jealous at all of you getting over 23mpg
Old 05-18-12, 10:23 AM
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KevGS460ML
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Originally Posted by glau
I'm jealous at all of you getting over 23mpg
Then you will really be jealous of my 26.1MPG on a V8. In reality, everyone's commute is different so you shouldn't pay any attention to this kind of thread except that it's "just for fun" information. What you should pay attention to is if your car MPG drops and your commute hasn't...that's a sign that you need to get it checked out.
Old 05-19-12, 11:43 PM
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memasterac
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Originally Posted by Fation
Surprising so many people have reached these high mpg's as well. Im running on stock everything on the car. I average around 23-24 on highway and 15 or so city. This might be because I use the shell v-power gas. I know it gives more power, but im thinking it burnes faster.
It should be easy to get high 20's on highway of you keep speed cruise controlled around 70mph. But my 95% driving is city which only average about 17 mpg.
Old 05-20-12, 01:29 AM
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1SLOGS
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22 MPG from VA to DC in my 2011 AWD GS
Old 05-21-12, 05:44 AM
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L8Apex
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Originally Posted by 1SLOGS
22 MPG from VA to DC in my 2011 AWD GS
VA - DC now that's a lot of stop and go.
Old 05-21-12, 03:22 PM
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HDaddy
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I have an 08 and I get between 21 & 24 mpg....not bad I guess maybe I got more breaking in to do.
Old 06-02-13, 05:40 PM
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Diesel350
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Best I have gotten is 29.6 MPG on the highway.
Old 06-03-13, 10:32 AM
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dfujita
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Switch the Switch to Power and you'll get better gas mileage, I think ECT drags the cars.
Old 06-03-13, 12:12 PM
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worker
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I speed too much to get good mpg. LOL

I can't drive without speeding for more than 30mins. I'll trade mpg for less time on the road.
Old 06-03-13, 06:31 PM
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Diesel350
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Originally Posted by dfujita
Switch the Switch to Power and you'll get better gas mileage, I think ECT drags the cars.
Can anyone confirm this? I put mine in Power and get worse gas mileage.
Old 06-04-13, 04:16 AM
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crombie92
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After a fresh oil change o
Attached Thumbnails Highest MPG reached On GS350 3rd gen?-2013-05-31-03.47.29-1.jpg  
Old 06-04-13, 04:25 AM
  #27  
crombie92
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GS300 on supreme gas and fresh synthetics
Attached Thumbnails Highest MPG reached On GS350 3rd gen?-2013-05-31-03.47.42.jpg   Highest MPG reached On GS350 3rd gen?-2013-05-31-03.59.09.jpg   Highest MPG reached On GS350 3rd gen?-2013-05-31-03.59.23.jpg  
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Old 06-04-13, 06:05 AM
  #28  
worker
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^ LOL a fresh tank of gas always start out high and it go lower as your press on the gas paddle.
Old 06-12-13, 10:04 AM
  #29  
dzell81
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I got 26.5mpg on a 1,000mi trip last weekend in my 06 GS430. Commuting to work however, rarely do I get over 16.
Old 10-04-21, 03:36 PM
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I bought my 08 gs 350 with 113mi 3 month ago with stock no modifications, the highest I’m reaching on highway 33.2mpg ! And I’m pretty confident if I have set my cruise control and going on a road trip I’d go over 35mpg




Originally Posted by Fation
Simply out of Curiosity I wanted to know what has been the highest MPG any of you have reached on your Lexus GS350's 3rd gen?
I was cruising at over 70mph when I reached about 29.7mpg which has been the highest on my 2009 GS.
I took a picture when I hit 20,000 miles on the vehicle and the MPG was 29.1
-The car is up for sale in NY
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