The gas tank on the 2011 Volvo XC90 holds 21.1 gal..
The gas tank on the 2011 Volvo XC60 holds 18.5 gal..
The gas tank on the 2011 Volvo S60 holds 17.8 gal..
The gas tank on the 2011 Volvo S80 holds 18.5 gal..
The gas tank on the 2011 Volvo C70 holds 15.9 gal..
The gas tank on the 2011 Volvo XC70 holds 18.5 gal..
17.8 gallons.
As many as the original purchasing customer specified it to hold.
16.0 U.S. gallons
up to 60 in its tank
The gas tank on the 2014 Volvo S80 holds 18.5 gal..
The gas tank on the 2001 Volvo C70 holds 17.9 gal..