The gasoline tank on the Dodge Durango SLT V8 is 25 gallons, according to Edmunds.com. The Durango was built to be a compact sport utility vehicle with a powerful engine and eight-passenger seating capacity.
The Dodge Durango was introduced to the buying public in 1998. It was based on the Dodge Dakota small pickup truck. The SLT model designates the more expensive trim. The 4.7-liter engine was available on the Dodge Durango SLT models from 2000 through 2003. Fuel economy for the Durango's 4.7-liter engine was 12 miles per gallon in the city and 17 miles per gallon for highway driving.