Infiniti M45 MPG and Fuel Economy

Infiniti have been manufacturing models of M45 for 7 years, with the latest vehicle in 2010 having a combined MPG of 18.

The estimated fuel cost for the 2010 Infiniti M45 is $4,100 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 $9,000 more on fuel driving a 2010 Infiniti M45.

🛢 The Infiniti M45 will consume roughly 17 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Infiniti M45 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 Infiniti M45.

The table below is a complete list of the 7 Infiniti M45 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.

VehicleCombined MPGFuel Cost
2010 Infiniti M4518$4,100
2009 Infiniti M4518$4,100
2008 Infiniti M4518$4,100
2007 Infiniti M4518$4,100
2006 Infiniti M4518$4,100
2004 Infiniti M4518$4,100
2003 Infiniti M4518$4,100

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "Infiniti M45 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/infiniti/m45.

  • "Infiniti M45 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/infiniti/m45. Accessed January 3, 2026.

  • Infiniti M45 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/infiniti/m45.