18.0 Gallons, per the owner's manual. Fuel tank capacity is the same for the i (4 cyl.) and s (6 cyl.) models.
The fuel tank capacity of a 2003 Chevy Avalanche is around 31 gallons.
The 2003 Ford F150 has a fuel tank capacity of 25 gallons.
The fuel tank capacity for a 1999 Mazda Protege is approximately 13.2 gallons (50 liters). This capacity allows for a reasonable driving range, depending on the vehicle's fuel efficiency.
17 gallon
50L
13.2 gal. fuel tank
14.5 gallon
Inside the fuel tank
The electric fuel pump is inside the fuel tank
14.5 gallons AFAIK.
16 Gallons
Fuel Tank Capacity: 15.3 gal. @ http://www.edmunds.com/used/2003/honda/crv/100194921/specs.html