oldkeywest91ExplorerApr 27, 2015DEFOn an average how much DEF are people using per trip(or tank fill up) on late model DP.
luvlabsExplorerApr 27, 2015Depends on how long the trip is. Most diesels will use one gallon every 400-700 miles. Lots of miles when you have a 13 gallon tank.
