The gas tank on the 2008 Volvo S80 holds 18.5 gal..
The gas tank on the 2008 Volvo XC70 holds 18.5 gal..
The gas tank on the 2008 Volvo XC90 holds 21.1 gal..
The gas tank on the 2008 Volvo C30 holds 15.9 gal..
The gas tank on the 2008 Volvo S60 holds 18.0 gal..
17.8 gallons.
As many as the original purchasing customer specified it to hold.
It will hold about 14-17 gallons of gas
28 gallons
18 Gallons
12 Gallons
16 gallons