The Jeep Cherokee 3.7L V6 fuel consumption varies depending on the model year and driving conditions. For the Jeep Grand Cherokee 3.7 i V6 4WD (2004-2017), the average combined fuel consumption is 15.8 liters per 100km (14.9 mpg US, 17.9 mpg UK)[1].
Owners of the 2007 Grand Cherokee 3.7L V6 have reported actual combined city/highway consumption as low as 11.2 liters per 100km (20.9 mpg US), though official figures and real-world experiences vary, with some users citing city averages around 12 L/100km and highway averages up to 14 L/100km[2].
For the Jeep Liberty 3.7L V6, fuel economy tends to be slightly better, with manufacturer stickers quoting about 18 mpg in town and 25 mpg on the highway, although real-world averages frequently report combined values of 17.1 mpg[3]. Some users report highway figures up to 20 mpg under good conditions[4].
Other reports on similar 3.7L Jeep models highlight that fuel economy can vary dramatically depending on maintenance and driving habits, with some owners averaging as low as 8–10 mpg and others getting up to 16–20 mpg[5].
For late model Jeep Cherokee IV (KK) with the 3.7 V6 (2008–2012), official European figures range from 8.9 to 11.7 liters per 100km (26.4–20.1 mpg US)[7]. These values are under controlled test conditions—real-world mileage is often lower, especially in city driving or with older, high-mileage vehicles.