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Lexus GS Real World MPG

11 messages,  Last post on Sep 22, 2009 at 8:27 AM

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What is this discussion about? Lexus GS 350, Lexus GS 460, Lexus GS 430, Fuel Efficiency (MPG), Sedan

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#7 of 11 Re: Real world MPG on your GS [tom17] by satyarg Sep 15, 2008 (11:20 am)
Replying to: tom17 (Sep 10, 2008 6:53 pm) My AWD GS doesn't give me beyond 27.5 no matter How much I try holding the speed around 60-65. I tried both manual and Auto/ cruise modes while locking the RPM at 2200. this on 92 premium gas.   However when I drive my friend's RWD GS it gives me above 28. he only gets 26/ gal and he uses regular Gas.   She thinks I am a better driver and I think I am doing some thing wrong with my car when I see you guys posting 28 + or 30 or even 31.   All this on highway Driving .   Although I am not worried about Highway performance, any tips to improve mileage on Local roads (which is killing me as most of my driving is on local roads with lots of stop signs and Traffic lights) is welcome . I keep trying both manual and auto modes keeping the revs below 2000 to no use ( 18). I read posts on the internet about 21 in city and even my friends RWD GS gives him 20 in city. She hits the pedal for rapid acceleration above 3500 rpm every time he drives. Replies to this message: tom17 (Sep 15, 2008 7:09 pm) tahoeride (Jun 25, 2009 5:25 am)
#8 of 11 Re: Real world MPG on your GS [satyarg] by tom17 Sep 15, 2008 (7:09 pm)
Replying to: satyarg (Sep 15, 2008 11:20 am) The problem is your AWD car is driving all 4 wheels which takes more power and therefore more fuel. If you look at the EPA rating, the RWD is 19/27 and the AWD is 18/25. So you are getting what is expected. Before I bought my GS350 I looked at the Infiniti offerings (since we owned 2 Infinitis) and discarded them because they get too low MPG - 16/23 for the RWD M35, 17/24 for the RWD G35. I am very impressed with my mileage, I got over 29 MPG in highway driving on the second tank (first tank provided by the dealer and had test drives, etc). I dont think the manual mode helps the gas mileage. The only time I use it is to put the car in a low gear before hitting a corner (a few times a week) or going up/down extremely steep mountains (like on 24 between Chattanooga & Nashville). Replies to this message: tahoeride (Jun 25, 2009 5:25 am)
#9 of 11 by kiss1978 Nov 18, 2008 (1:04 pm)
I get around 20mpg city and 28-29 on long hwy trips.. I lve in FL which is pretty flat so.. that helps.. hwy I usually have cruise set at 70-75mph..   rob
#10 of 11 Re: Real world MPG on your GS [tom17] by tahoeride Jun 25, 2009 (5:25 am)
Replying to: tom17 (Sep 15, 2008 7:09 pm) With my 2006AWD, I average 27 mixed driving (summer gas), and 32 on the interstate. I have 23K on the clock, full syn oil,,, Must be the Rocky Mtn air
#11 of 11 Mileage '07 GS350 AWD by whycuscreek70 Sep 22, 2009 (8:27 am)
I drive about 25 miles each way to work and have been getting 25-26 mpgs mixed driving and as high as 30 on longer trips. I have used mid grade fuel with no problems

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