Question 1

How much more expensive is Premium Gasoline than regular gas in Missoula?

Accepted Answer

In Missoula, Premium Gasoline is priced at $$3.91 per gallon versus ${regularPrice} for regular — a ${diff} per gallon premium. On a 15-gallon fill-up, that's ${fillDiff} extra. Over 50 annual fill-ups, the premium adds ${annualDiff} to your fuel costs.

Question 2

What happens if I accidentally put regular gas in a Premium Gasoline car?

Accepted Answer

If your car requires premium and you accidentally fill with regular, modern engines have knock sensors that retard timing to prevent damage. You may notice reduced performance and slightly worse fuel economy. Fill with premium on your next fill-up. This is a minor issue if it happens occasionally.

Question 3

Should I use Premium Gasoline in a new car to break it in?

Accepted Answer

Follow your owner's manual recommendation regardless of whether the car is new. Engine break-in does not require a specific fuel grade. Use what the manufacturer specifies from day one.

Question 4

What vehicles require Premium Gasoline gasoline?

Accepted Answer

Vehicles requiring Premium Gasoline typically include luxury and performance vehicles. Your owner's manual and the label inside your fuel door specify the required grade. Using a lower octane than required can cause engine knock and reduce performance over time.

Fuel Type	Price	vs. Premium Gasoline	Octane
Regular Unleaded	$3.13	$-0.78	87
Premium Gasoline THIS PAGE	$3.91	—	91-93
Diesel Fuel	$4.24	+$0.33	N/A

Premium Gasoline Prices in Missoula, MT

About Premium Gasoline in Missoula

When to Use Premium Gasoline

Fuel Price Comparison in Missoula

Premium Gasoline in Nearby Cities

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