1 cubic mile = 1.10111715 × 1012 US gallons.
You didn't mention what year or engine it has but it if the cooling system is void of all coolant, it should hold between 14 to 16 qts of coolant.
The gas tank on the 2011 Smart Fortwo holds 8.7 gal..
The gas tank on the 2009 Smart Fortwo holds 8.7 gal..
The gas tank on the 2013 Smart Fortwo holds 8.7 gal..
The gas tank on the 2001 Volvo C70 holds 17.9 gal..
The gas tank on the 2001 Volvo S80 holds 21.1 gal..
The gas tank on the 2001 Volvo S60 holds 21.1 gal..
As many as the original purchasing customer specified it to hold.
18 gallons
14 - 15 gallons
it holds 450 gallons
about 15 gallons
24.5 gallons
18 U.S. gallons
20 US Gallons
18 U.S. gallons