LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

What is everyone's average gas mileage? (The Mother thread)

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Old 05-27-11, 05:36 AM
  #136  
Marklouis
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for you guys that your display in the dash constantly shows low MPG numbers -

Be sure to reset your data especially "avg mph" and also "avg mpg" after refueling - I reset mine right after fill up and when I am driving on the most level part of the hwy/interstate doing about 60/70. I do this because for some reason my "avg mph" will get stuck on 27-35 mph even when im on the interstate for some time. so I try to be sure and reset that before I leave the house and I seem to get more accurate MPG readings. it will usually jump from 21 - 26/27 on the interstate and stay there when I do the reset. I just like to know what my MPG is often on different stretches of road and weather conditions.
Old 07-17-11, 04:47 PM
  #137  
jayclapp
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Just completed a 790 mile round trip from Phoenix to Disneyland. Drove the interstate and set the cruise 5 mph above the speed limit, which means a goodly portion of the trip was at 80 mph. Four adults and luggage on board. Waxed the car prior to the trip and install bra and mirror bras (the textured surface probably reduced the Cd by a small amount). Computed an overall average of 26.03 mile per gallon by using distance and actual fuel used (91 octane). The round trip allows the difference in altitudes and wind to be accounted for. This car is just a super cruiser.
Old 07-17-11, 07:46 PM
  #138  
aypues
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in 60/40 city driving i get about 20.5mpg. With more hwy I get 22mpg. All out highway I can get 26mpg.
Old 07-17-11, 08:04 PM
  #139  
AlexusAnja
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with a cD of .26 (.25 for UL with air), this car is almost like a bullet through the air. That attributes to it's quietness too and I'm sure lends much to the 26 mpg that many enjoy (including myself) on highways and at 70mph+. You would probably not get the same results by putting the same engine and trans. in say a RX.
Old 07-18-11, 09:27 AM
  #140  
Vpanin
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I got 23.5 driving from Albany to NYC...........I was doing 75-80mph the whole way and I also had the AC on
Old 07-18-11, 12:32 PM
  #141  
parkerjs
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2005 LS430 get about 19.5 in town and 24 highway. 2000 LS400 gets about the same.
Old 08-27-14, 08:17 AM
  #142  
notwealthy
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Default What kind of fuel economy are you getting?

I do about 40 minutes of highway commuting per day and a little bit of around town driving and I'm tank averaging 18.5 mpg in my 2002 LS430 with premium fuel. This seemed pretty low considering how gently I drive the car. There was a fuel economy thread in the FAQ but the link is dead. What is everyone else getting for fuel mileage?
Old 08-27-14, 08:37 AM
  #143  
RA40
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Dropped the ball in the FAQ. Thanks for catching it, fixed.
Old 08-27-14, 10:23 AM
  #144  
greg s
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17-18mpg for normal around town commute and 26-27mpg on the highway
Old 08-27-14, 10:54 AM
  #145  
Lavrishevo
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What's your elevation Notwealthy? This also plays a roll. Honestly, it just may be you spend more time driving slow or stopped then you realize. If you reset your average mpg and can get 26 or 27 on the highway then she is about as efficient as it will get.
Old 08-27-14, 10:47 PM
  #146  
writes123
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Mixed driving: 22.4 mpg
Hwy cruising @80: 25.8 mpg
Hwy crusing @ 65: 29 mpg

SoCal highways

05 UL with 225/65R16 MXV4's on Premium 91

Last edited by writes123; 08-28-14 at 07:27 AM.
Old 08-28-14, 04:06 AM
  #147  
warminwisc
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My 75 percent hwy drive to work and back usually comes out to high 24 ish on my 04 Sport. My 04 premium was around upper 23ish. Only difference 17 versus 18 tires. Is Sport model lower to the ground? Don't think so.
Old 08-28-14, 06:27 AM
  #148  
430THUNDER
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With my 05 LS430 CL here in Fl on Sams Club 91 octane gas I get 14.5 city and 24 Highway.

With Chevron 87 octane I get 17 city and 25 plus.

Its flat but 95 degress and ac at full hilt
Old 08-28-14, 07:39 AM
  #149  
e60bmw
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I'm not sure what I'm doing wrong, but my MPG has been terrible. Usually around 16-17mpg since getting the car. Granted I'm in Texas where it has been about 100 since getting it but I'm not sure how that effects it.
Old 08-28-14, 07:51 AM
  #150  
milesdf
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04LS430, about 18-21 mpg around town with good gas.


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