Fuel Grade Discussion: Premium or Regular? What are you using in your Lexus NX?
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How many more miles per gallon have you been getting.
I was reading on somewhere a while ago that using a higher octane than recommend doesn't result in any benefits, performance or gas mileage.
Good to know, maybe that's also a way to help prevent an engine from excessive oil consumption down the road.
Octane levels are only relevant with compression level on engines. The compression ratio is around 10.0:1 for the NX, which is relatively low. You will run perfectly fine on mid or low octane. High octane would be pointless. It's more a mind game and waste of money.
Yup!
Unless i'm buying some car made for fun, like a Lexus RC, I won't care to spend more than I have to.
The NX is my cool commuter and im going minimal on spending.
I used to believe that there is no significant difference between regular and premium, so why spend unnecessarily. Then I got very dissatisfied with my 'BMW' because all through the nine years I drove three models, i used regular fuell. Then, one day i decided to go premium. The difference was obvious. The car was more responsive more "willing" to give me an enjoyable ride, whereas before, it was like an unwilling, lethargic beast of burden dragging it's four feet. Needless to say, i went premium since then and I had had a taste of what "ultimate driving machine" felt like although in entry level only 
When I switched to RX, the salesman emphasized the fact that I could use regular gas in it and I did for a while until lethargy became unbearable. Went back to using premium and fell in love with RX all over again.
Enter the NX. I WANT THE EXPERIENCE TO BE FUN, ENJOYABLE from the very start, so premium only for me.
I'm aware, this is all subjective but I am willing to pay extra for what I would consider fun and enjoyable.
So does premium make a difference? It does for me.
When I switched to RX, the salesman emphasized the fact that I could use regular gas in it and I did for a while until lethargy became unbearable. Went back to using premium and fell in love with RX all over again.
Enter the NX. I WANT THE EXPERIENCE TO BE FUN, ENJOYABLE from the very start, so premium only for me.
I'm aware, this is all subjective but I am willing to pay extra for what I would consider fun and enjoyable.
So does premium make a difference? It does for me.
For maximum engine performance, use the manufacturer's recommended octane rating, which for the turbo is premium. Engine electronics will let the car run on lessor grade gas without pinging, but not meet published hp/torque specs. Octane = Energy, provided the engine is designed for it.
Well said and I agree completely. Would not even consider putting cheap gas in a Lexus. Always used premium in my vehicles, ski boat included. They just run better!!I used to believe that there is no significant difference between regular and premium, so why spend unnecessarily. Then I got very dissatisfied with my 'BMW' because all through the nine years I drove three models, i used regular fuell. Then, one day i decided to go premium. The difference was obvious. The car was more responsive more "willing" to give me an enjoyable ride, whereas before, it was like an unwilling, lethargic beast of burden dragging it's four feet. Needless to say, i went premium since then and I had had a taste of what "ultimate driving machine" felt like although in entry level only
When I switched to RX, the salesman emphasized the fact that I could use regular gas in it and I did for a while until lethargy became unbearable. Went back to using premium and fell in love with RX all over again.
Enter the NX. I WANT THE EXPERIENCE TO BE FUN, ENJOYABLE from the very start, so premium only for me.
I'm aware, this is all subjective but I am willing to pay extra for what I would consider fun and enjoyable.
So does premium make a difference? It does for me.
Saw this article and thought i would post it here as it seems pretty relevant.
http://www.autoguide.com/auto-news/2015/05/do-i-really-need-premium-gas-.html
http://www.autoguide.com/auto-news/2015/05/do-i-really-need-premium-gas-.html
Correct, if there is differences in numbers in those situations then maybe there is something real happening in their.
I always though you had to jump up quite a few octane numbers to get a noticeable increase, like 100 octane for example.
Thanks for the link. Read it and the gist seems to be: if your engine is designed for premium, use premium; if designed to run on regular, use regular.
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