Fuel Prices
Paraphrasing from the 1996 owner manual,...for the LT1 (Code P) engine, GM recommends gasoline rated at 91 octane or higher for best performance, however 89 or 87 octane may be used, but acceleration will be affected. Less than 87 octane will cause heavy knocking. For the LT4 (Code 5), 91 octane or higher only.
My wife's Ford Taurus got totalled recently. These gas prices are why we're going to replace it with a Toyota Corolla





If you drive 15,000 miles per year, and say, you average 20 mpg, and you are going to pay as Lone said, $2.40 per gallon for regular and 20 cents more for premo, that'd be $2.60 per gallon.
In a year, you'll use 750 gallons of gas (15,000 miles / by 20 mpg=750 gallons used).
At $2.40/gal.=$1,800/year. At $2.60/gal.=$1,950/year. Delta, or difference between the two is $150/year.
That is $12.50/month. Or if there're about 22 business days in the month, about an additional $0.57 per work day.
If a compact car averages 32 mpg and uses regular gas, at 15,000 miles per year, that'd use/cost (469 gallons) $1,125.
So, if you buy a car that gets significantly better mileage (32 mpg vs 20 mpg) and it uses Regular vs. Premium ($2.40 vs. $2.60 per gallon), here are the differences and savings.
$1,950 - $1,125 = $825 per year savings. Divide by 12 months and it is $69 per month savings. Again, assuming 22 business days per month, that's a savings of about $3.13 per business day. And if you pay more than $69 per month for the car itself (financing, leasing, etc.), it's more expensive to drive the more economical car.
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Let's say you're getting 20 mpg and you drive 20K miles a year. That's 1000 gallons @ 20 cents or $200. That breaks down to less than $17 a month or 50 cents a day.
Use the good stuff and live with it.
It's over $2.00 and we're still buying it so it won't go down.
I run 87 in my 84 and it doesn't ping so thats what it gets.
My wife's Ford Taurus got totalled recently. These gas prices are why we're going to replace it with a Toyota Corolla

A Corolla is a small car and it might not do as well. Something to think about.
The VW new Bettle has a five star crash rating and the turbo diesel gets 44 mpg.
Regular here is $2.65 Corvette gas is $2.75 a gallon.
By the way the Tauras uses 87 and mine with the duratech 4 cam engine gets 28mpg.
My LT-1 gets 29mpg at 75mph.
My Lincoln LS V8 gets 22mpg all day long. It is one of the 10 safest cars of all time.
Theres a lot more to car than mileage.
I ran it for bit without knowing I was supposed to be running high octane only. I though it was just recomended untill I finally put 93 in it and that horrible knocking went away.





I am MAD about corvettes, and there's no way I would buy my dream car, no matter how little money I have, and not fill it with top grade gas, esp. if it'll hurt performance or long term engine wear. Even if I pay $1000 extra a year to fill up my 20 gal. tank with premium instead of a honda civic's 12 gal tank with lower grade fuel, it's worth it. Just means sacrifices elsewhere.
Even if I don't strictly have to use hi octane fuel, I feel good pressing that button at the pump, and knowing I have a performance car, while everybody else around me is driving "practical" vehicles.
My vette is my daily driver, and it's worth all the sacrifices that that entails...










