Lexus Gx470 Gas Octane

I have owned a gx470 for 5 years and have run both 87 and 93 at diff times. Sometimes even when your lexus does recommend 91 octane or higher it will still run well on 87 or 89. The shop that works on my truck says it will run fine on 87 or 93.
lexus gx470 gas octane

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So if your 2019 lexus falls into the first category above you should be pouring premium gasoline down its throat.

Lexus gx470 gas octane. For improved vehicle performance the use of premium unleaded gasoline with an octane rating of 91 or higher is recommended. Regular fuel is defined as having an octane rating of 87. Thats not true according to my 2005 lexus gx470 owners manual under fuel selection section 91 octane gas is not required but recommended for improve performance fuel selection. These are most common in lexus 300 and 400 series models.

Below is a list of all current models that need only the regular unleaded 87 octane fuel and a list of the lexus models with a premium unleaded 91 octane fuel requirement. This is determined by whether your model comes equipped with a knock sensor. The 93 gets better mileage by 2 miles to the gallon 20mpg compared to 18 with 87 octane highway mileage i have never heard it ping or knock with the lower octane. Lexus automobiles that do not specify a higher grade octane for optimum performance will run just fine on 87 or 89 octane.

A knock sensor can adjust the timing for different grades of gasoline. But even if it cost a little more per mile my butt dyno says the engine runs noticeably better with hi test. To label a fuel as premium it should have an octane rating of 91 or higher. How can i share my mpg.

I know first hand that rx300 is300 es300 ls400 and gx470 can all run on regular. Epa mpg owner mpg estimates 2020 lexus rc f 8 cyl 50 l automatic s8 premium gasoline. He said that most luxury brands say to use premium to make them feel special about having an expensive car. Select octane rating 87 or higher.

Originally posted by slowginjoe i read an article on this forum that interviewed a car designer from toyota or maybe honda. Selecting the right octane fuel. Fuel economy of 2020 lexus vehicles. Lexus recommends using unleaded fuel in every model but the minimum octane rating does vary by model and for some lexus models by the year.

Using 93 octane from shell or bp in the gx improves overall mileage enough to actually save 13 cents per mile in fuel cost. If youre vehicle falls into the latter category theres no need to use premium gasoline. 2020 lexus gx 460 8 cyl 46 l automatic s6 premium gasoline. While some luxury cars require it such as infinitys the lexus does not.