How many miles per gallon does the 2014 Jeep Wrangler diesel engine achieve?

There are no stock Jeep Wrangler models from 2014 that have a diesel engine, according to the Jeep official website. The 2014 Jeep Grand Cherokee had an EcoDiesel engine that averaged 24 miles per gallon, and the 2016 Jeep Wrangler may be available with an EcoDiesel engine option, according to Consumer Reports.

All Jeep Wrangler models from 2014 averaged 18 miles per gallon, scoring somewhere between 16 and 17 miles per gallon in the city and 20 to 21 miles per gallon on the freeway. The EcoDiesel engine from 2015 and 2016 is advertised as being able to get up to 30 miles per gallon on the freeway, suggests the Jeep website.