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

3GS fuel economy...

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Old 02-12-12, 01:22 PM
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Leo23
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Default 3GS fuel economy...

Hello Again,
It's been about three weeks that I have been driving my new 3GS. And, by my surprise I see the car's indicator shows that the average mpg is 14.9. No wonder I refueled so often...

Anyone else experiensing such a thing- and what's the solution?

Thank you.
Old 02-12-12, 01:59 PM
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Bavaria
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I get around 22 in mixed driving, but over 30 when it's strictly highway.
Old 02-12-12, 02:14 PM
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Leo23
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Originally Posted by Bavaria
I get around 22 in mixed driving, but over 30 when it's strictly highway.
Very different from mine, obviously....

I filled the thank twice and the odometer shows 409 miles (most of them on highway!). I remember 400miles on my old 2gs on one tank.
There must be something wrong. Tomorrow I'll call customer service.

Thanks
Old 02-12-12, 02:17 PM
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AudioBob
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I typically average around 24-25 in mixed driving. I will also say that it seems to be a little worse in the winter time. If I do a tank of total expressway driving I can get over 30. I also use my cruise control and set it at around 62 on the expressway.

Last edited by AudioBob; 02-12-12 at 04:20 PM.
Old 02-12-12, 04:01 PM
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tbilisi79
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I get 13-15 in city stop and go. Highway only sees 22-25mpg. Even when driving gently, it doesnt get better.
Old 02-12-12, 04:31 PM
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Leo23
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Originally Posted by tbilisi79
I get 13-15 in city stop and go. Highway only sees 22-25mpg. Even when driving gently, it doesnt get better.
Have you ever pointed it out to Lexus?

Mine still worse than yours...
Old 02-12-12, 04:32 PM
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Boron
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What GS?
300? 350 AWD? 430? 460?
Brand new or used car?
Power mode selected or Comfort?
Old 02-12-12, 06:01 PM
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Leo23
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Originally Posted by Boron
What GS?
300? 350 AWD? 430? 460?
Brand new or used car?
Power mode selected or Comfort?
New 2011 gs350, awd.
No power mode. Just a mix or normal drive. No speeding either. Before resetting. City drive: it was showing average 10.8 mpg.
So with highway driving I got above 14mpg.
Old 02-12-12, 06:18 PM
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tbilisi79
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Originally Posted by Leo23
Have you ever pointed it out to Lexus?

Mine still worse than yours...
What can they possibly do? There are no codes or anything like that.
Old 02-12-12, 06:23 PM
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Leo23
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Originally Posted by tbilisi79
What can they possibly do? There are no codes or anything like that.
Well, at least I'll know after I talk to them tomorrow.
I don't want to be confrontational already. The reason I'm asking here is to find out whether anyone else had same experience and what the possibilities are.
Personally, it's not acceptable that my "new" car makes close to half the mileage they claim.
Old 02-12-12, 07:13 PM
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L8Apex
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Are you using premium gas? Does the engine sound/feel quite and smooth?
Old 02-12-12, 07:20 PM
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JH48
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for full tank I got 300 miles is it bad or normal?
Old 02-12-12, 07:21 PM
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NickL
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2011 GS350 AWD with ~1000miles on the ODO.
Avg 19.0 mixed city and highway. Actually, my commute is a 7 minutes commute on the highway when there's no traffic. But almost all the time, there's traffic and it took me about 15minutes. Even it's on the highway, it should count as city driving since I'm in a stop and go.
I was getting 25MPG when I reset the counter and drove all on the highway. I'm sure I can get better than this in when the weather warms up.
Old 02-12-12, 07:23 PM
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NickL
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Originally Posted by JH48
for full tank I got 300 miles is it bad or normal?
Depends if it's city or highway driving.
I get about 300 from full to warning light comes out with my driving style and commute city/highway.
Old 02-12-12, 07:24 PM
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Originally Posted by NickL
Depends if it's city or highway driving.
I get about 300 from full to warning light comes out with my driving style and commute city/highway.
weekend freeway home to work and weekday local home school


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