Mercury Mountaineer 4WD MPG and Fuel Economy
Mercury have been manufacturing models of Mountaineer 4WD for 13 years, with the latest vehicle in 2009 having a combined MPG of 15.
The estimated fuel cost for the 2009 Mercury Mountaineer 4WD is $4,150 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $9,250 more on fuel driving a 2009 Mercury Mountaineer 4WD.
🛢 The Mercury Mountaineer 4WD will consume roughly 20 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Mercury Mountaineer 4WD will emit -1 grams of CO2, which is about -15,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the Mercury Mountaineer 4WD.
The table below is a complete list of the 13 Mercury Mountaineer 4WD fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2009 Mercury Mountaineer 4WD | 15 | $4,150 |
| 2008 Mercury Mountaineer 4WD | 15 | $4,150 |
| 2007 Mercury Mountaineer 4WD | 15 | $4,150 |
| 2006 Mercury Mountaineer 4WD | 15 | $4,150 |
| 2005 Mercury Mountaineer 4WD | 14 | $4,450 |
| 2004 Mercury Mountaineer 4WD | 15 | $4,150 |
| 2003 Mercury Mountaineer 4WD | 15 | $4,150 |
| 2002 Mercury Mountaineer 4WD | 15 | $4,150 |
| 2001 Mercury Mountaineer 4WD | 15 | $4,150 |
| 2000 Mercury Mountaineer 4WD | 16 | $3,900 |
| 1999 Mercury Mountaineer 4WD | 15 | $4,150 |
| 1998 Mercury Mountaineer 4WD | 15 | $4,150 |
| 1997 Mercury Mountaineer 4WD | 14 | $4,450 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/mercury/mountaineer-4wd">Mercury Mountaineer 4WD MPG and Fuel Economy</a>
"Mercury Mountaineer 4WD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercury/mountaineer-4wd.
"Mercury Mountaineer 4WD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercury/mountaineer-4wd. Accessed January 3, 2026.
Mercury Mountaineer 4WD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercury/mountaineer-4wd.