Premium Gas
#2
Everything I've ever read said that using anything above the grade recommended by the manufacturer was a waste of money. Having said that, on older cars with carbon build-up, it's sometimes necessary to go up in grade to reduce knocking/pinging.
#3
#4
And the Lexus sales literature both on the internet and that which was available at the show room both acknowledged that indeed the car will have more power and better gas millage if 91 octane gasoline or higher is used. The car has sensors that can correct ignition timing for octanes as low as 87 but mileage and power will be effected. As an opinion it seems the lower octane gas will give better miles/dollar because the increase in mileage using higher octanes does not seem to provide higher mileage proportional to the increase in cost. But I don't know. I always use premium because (I think) I have better acceleration.
#5
And the Lexus sales literature both on the internet and that which was available at the show room both acknowledged that indeed the car will have more power and better gas millage if 91 octane gasoline or higher is used. The car has sensors that can correct ignition timing for octanes as low as 87 but mileage and power will be effected. As an opinion it seems the lower octane gas will give better miles/dollar because the increase in mileage using higher octanes does not seem to provide higher mileage proportional to the increase in cost. But I don't know. I always use premium because (I think) I have better acceleration.
My advise is to save the money. Premium in a hybrid is kind of pointless because you get no gain and the cost difference between Regular and Premium negate the reason to own a hybrid.
Sadly, most every other new car out there seems to HAVE to run on premium. Something most new car buyers never take into account for the overall cost of ownership when they plunk down the money.
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