Yes, this vehicle requires the use of Premium Fuel. The use of Regular will eventually do engine damage. You bought an Acura, and should have known that a vehicle such as this requires Premium fuel.
What kind of Acura?
Put regular gas in, it doesn't need premium. (If you're not sure, open your gas tank and see if there's a sticker saying "premuim gas only".
they should fit directly, no modification required
What do you mean you can't put gas in the vehicle? Why not?
regular 87 is fine. if it is a gs-r you want to put premium at least 91 octane
25gal
Yes. 87 octane regular is what the owners manual says to use
87 octane
Yes it will fit.
regular unleaded - 87 octane
Yes, I have a 2004 Acura TSX with 45,000 miles on it. I used regular gas when it was $4.00 a gallon and I got worse MPG by about 3.5 and the engine was "spark Knocking". Hope this helps.
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