Every 60k miles/100k km
Depends on how you drive it
The EPA range estimate for the 2003 Hyundai Sonata is 344.0 mi. in the city, 481.6 mi. on the highway.
The EPA range estimate for the 2011 Hyundai Sonata is 444.0 mi. in the city, 647.5 mi. on the highway.
The EPA range estimate for the 2012 Hyundai Sonata is 444.0 mi. in the city, 647.5 mi. on the highway.
The EPA range estimate for the 2014 Hyundai Sonata is 444.0 mi. in the city, 647.5 mi. on the highway.
The EPA range estimate for the 2009 Hyundai Sonata is 371.7 mi. in the city, 566.4 mi. on the highway.
The EPA range estimate for the 2004 Hyundai Sonata is 344.0 mi. in the city, 481.6 mi. on the highway.
The EPA range estimate for the 2006 Hyundai Sonata is 371.7 mi. in the city, 548.7 mi. on the highway.
The EPA range estimate for the 2013 Hyundai Sonata is 444.0 mi. in the city, 647.5 mi. on the highway.
The EPA range estimate for the 2010 Hyundai Sonata is 371.7 mi. in the city, 566.4 mi. on the highway.
The EPA range estimate for the 2005 Hyundai Sonata is 344.0 mi. in the city, 481.6 mi. on the highway.