Park the vehicle on a level surface. Drain the oil and change the filter. Pour in 4 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.
3.48 quarts of oil.
Automatic: 6.9 quarts Manual: 2.3 quarts
According to the Hyundai Capacities chart, a 2005 Hyundai Accent holds 3.5 quarts of oil including the volume of the oil filter.
5
5.2 quarts
The gas tank on the 2010 Hyundai Azera holds 19.8 gal..
The gas tank on the 2010 Hyundai Sonata holds 17.7 gal..
The gas tank on the 2010 Hyundai Elantra holds 14 gal..
The gas tank on the 2010 Hyundai Accent holds 11.9 gal..
The gas tank on the 2010 Hyundai Tucson holds 14.5 gal..
The gas tank on the 2010 Hyundai Genesis holds 19.3 gal..
4.7 quarts