Infiniti G20 MPG and Fuel Economy

Infiniti have been manufacturing models of G20 for 10 years, with the latest vehicle in 2002 having a combined MPG of 23.

The estimated fuel cost for the 2002 Infiniti G20 is $2,700 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 $2,000 more on fuel driving a 2002 Infiniti G20.

🛢 The Infiniti G20 will consume roughly 13 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Infiniti G20 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 G20.

The table below is a complete list of the 10 Infiniti G20 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
2002 Infiniti G2023$2,700
2001 Infiniti G2023$2,700
2000 Infiniti G2023$2,700
1999 Infiniti G2022$2,850
1996 Infiniti G2022$2,850
1995 Infiniti G2022$2,850
1994 Infiniti G2022$2,850
1993 Infiniti G2022$2,850
1992 Infiniti G2022$2,850
1991 Infiniti G2022$2,850

Link To or Reference This Page

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

  • "Infiniti G20 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/infiniti/g20.

  • "Infiniti G20 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/infiniti/g20. Accessed January 3, 2026.

  • Infiniti G20 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/infiniti/g20.