As many as the manufacturer specifies. Buick manufactured a few different models of car in 1997, and they don't all have the same fuel tank. A specific model would be needed in order to answer this question.
18 gallons
9
18.4 gallon
I can usually fill mine with about 14.5. I think the tank holds 16.5 or 16.6 gallons of gas total.
On a 1997 Lincoln Continental : If the gas tank was empty ( 17.8 U.S. gallons )
When owning or driving a car, it is important to know the cars gas tank size. The 1997 Buick Skylark has a gas tank of 15. 2 gallons.
The tank holds ( 12.7 gallons ) according to the Owner Guide
i have the same yr of car. when im on empty and fill up the tank it takes approx 18 gallons.
16.5 gallons
It holds 16 gallons.
It takes 7 gallons to fill a entire tire!
How many gallons does a 1990 buick park ave gas tank hold