Park the vehicle on a level surface. Drain the oil and change the filter. Pour in 4.5 quarts of the correct weight oil and start the engine letting it run for 1 minute. Shut down and wait 30 minutes. Check the oil level on the dipstick and add as necessary to reach the full mark. You now know the capacity.
Where are you from. We don't have quarts in Australia since we went decimal and metric in 1966. Quarts is in use in USA where they are behind the rest of the world.
3.48 quarts of oil.
Automatic: 6.9 quarts Manual: 2.3 quarts
The engine should hold approximately 3.5 quarts of oil. Add 3 quarts then keep checking the dipstick until the engine shows full.
According to the Hyundai Capacities chart, a 2005 Hyundai Accent holds 3.5 quarts of oil including the volume of the oil filter.
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The gas tank on the 2007 Hyundai Elantra holds 14 gal..
The gas tank on the 2007 Hyundai Accent holds 11.9 gal..
The gas tank on the 2007 Hyundai Sonata holds 17.7 gal..
The gas tank on the 2007 Hyundai Tucson holds 15.3 gal..
The gas tank on the 2007 Hyundai Azera holds 19.8 gal..
My owners manual says 3.8 liter engine oil drain and refill requires 5.5 qts of 5W20 motor oil.