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Lexus LS 430 Real World MPG

28 messages,  Last post on Aug 06, 2008 at 6:22 AM

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What is this discussion about? Lexus LS 400, Lexus LS 430, Fuel Efficiency (MPG), Sedan

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#5 of 28 Re: 2005 LS 430 MPG [todd2004] by famwald Jun 14, 2005 (5:20 am)
Replying to: todd2004 (Jun 10, 2005 1:39 pm) Re: your tires --- I had Michelin MXV-4 tires on my last two Volvos and loved them. When these factory Dunlops to wear out I'll be putting the Michelins on..
#6 of 28 2002 LS 430 by bcleepe Jul 10, 2005 (8:09 pm)
My wife uses it for commute with an average of 20 mph for stop and go traffic. When I drived it during weekends, I got average 25 mph mostly on freeway with rolling hills.
#7 of 28 2004 MPG by edspider1 Jul 25, 2005 (10:28 am)
I would get about 19.5 in combined driving. About 24 going 75-80mpg. I was pretty impressed actually. These numbers are from the trip computer. I didn't calculate myself. I recently switched to an 2006 M35 AWD. It only gets about 16.5 using a V6 so the LS looks pretty impressive!
#8 of 28 Re: 2005 LS 430 MPG [todd2004] by jerry5506 Aug 16, 2005 (7:23 pm)
Replying to: todd2004 (Jun 10, 2005 1:39 pm) Just wonder if Michelin Tires are better than Toyo Tires. I have Dunlop tires on my 2004 LS and have approx 25,000 miles on it and seem to have plenty of rubber on them so far. I put ToyoTires on my 97 LS but traded it off soon after, so don't know how they lasted. Jerry5506
#9 of 28 2003 LS 430 Mileage by rce15398 Aug 26, 2005 (2:46 pm)
We just returned from a 4,800 mile trip from California to the Midwest and back. We averaged 27.2 mpg overall. Outstanding for a vehicle covering territory at 75 mph, in serenity and comfort.
#10 of 28 2005 LS mpg by famwald Aug 28, 2005 (10:54 am)
With the cost of gasoline rising, yesterday I decided to see how the mpg would be going 65 on the interstate instead of the posted 70 mph limit. I cleared the numbers on the display and strictly on the interstate got 30 mpg. That is with no stop/start driving and no major hills. Replies to this message: rcf8000 (Sep 07, 2005 7:20 am) rcf8000 (Sep 10, 2005 6:09 am) pearl (Jan 16, 2006 7:14 pm) i5cpa (Apr 13, 2006 3:10 pm)
#11 of 28 LS 430 - Gas Octane by flatlander Sep 04, 2005 (6:41 pm)
Is it kosher to use regular gas for constant speed long distance driving? I know if I hear the engine pinking that the answer is no. If I use a light foot on the gas pedal and use the cruise control will I be doing any harm to the engine? Replies to this message: rpbassman (Oct 09, 2005 12:00 pm) sbadeaux (Jan 09, 2006 4:29 pm) nvbanker (Jan 09, 2006 7:16 pm) rpbassman (Jan 27, 2008 9:24 pm)
#12 of 28 Re: 2005 LS mpg [famwald] by rcf8000 Sep 07, 2005 (7:20 am)
Replying to: famwald (Aug 28, 2005 10:54 am) I am in the middle of an extended road trip with mostly interstate hwy driving, and on one tank I got 28.4mpg and on the next I got 27.5mpg. I can't account for the difference; if anything, the speeds driven were lower on the second tank. Maybe it's the brand of gasoline. Still, this is pretty good mileage for a car of this size and weight, I think. So much for the claim that nobody can get mileage as high as the EPA estimates. In town I typically get 18-19mpg. Replies to this message: rcf8000 (Sep 10, 2005 6:09 am) pearl (Jan 16, 2006 7:14 pm) i5cpa (Apr 13, 2006 3:10 pm)
#13 of 28 Re: 2005 LS mpg [rcf8000] by rcf8000 Sep 10, 2005 (6:09 am)
Replying to: rcf8000 (Sep 07, 2005 7:20 am) On our first tank of gas in California we are getting only 24.5mpg. I assume that this is due to the formulation of the gasoline for California. Replies to this message: pearl (Jan 16, 2006 7:14 pm) i5cpa (Apr 13, 2006 3:10 pm)
#14 of 28 Re: LS 430 - Gas Octane [flatlander] by rpbassman Oct 09, 2005 (12:00 pm)
Replying to: flatlander (Sep 04, 2005 6:41 pm) I asked my service manager this question - he returned a question to me: How long do you expect to drive the car? His feeling is if you are only going to drive the car for 100,000 miles or so, then use regular - if you intend to keep it longer, use premium. He said he's seen LS models with very high mileage (300k +) that have not yet had major engine work, excepting engine accessory replacements, and he attributes it in part to use of premium fuel. So if this is in fact the case, wouldn't it be nice to know, if buying a used vehicle, what fuel has been used in it? Another good reason for not buying an LS from a rental fleet. You can be certain they live on a regular-grade diet. So I tend to buy the more expensive stuff, always wondering if I'm throwing money away in so doing. Replies to this message: sbadeaux (Jan 09, 2006 4:29 pm) nvbanker (Jan 09, 2006 7:16 pm) rpbassman (Jan 27, 2008 9:24 pm)

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