13.6 gallons
My 1989 Chevy Caprice Classic with a 350 CID motor has a 27 gallon tank.
25 gallons
The 1996 Chevy Caprice holds 23 gallons of fuel. the vehicle had an estimated 16 mpg city, 24mpg on the highway.
23 gallons
A 1991 Chevy G10 Cargo van with the 4.3 V-6 engine has a 22 gallon capacity fuel tank.
As I recall, there were no Chevrolet Caprice sedans, or wagons sold in 1997. The 1991-1996 body style carried a 23 gallon gas tank, this may be what you were looking for.
remove the lower shroud on the steering column, and then the 2 bolts that hold the column in place, it should be accessable then.
17.2 gallons.
18.5 gallons
The gas tank on a 1991 Chevrolet Lumina holds 17.1 gallons, and it takes regular unleaded fuel. The car comes with a 3-speed automatic transmission.
2008 Chevy Aveo hold 11 US gallons.