Volvo 780 MPG and Fuel Economy
Volvo have been manufacturing models of 780 for 4 years, with the latest vehicle in 1990 having a combined MPG of 18.
The estimated fuel cost for the 1990 Volvo 780 is $3,500 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 $6,000 more on fuel driving a 1990 Volvo 780.
🛢 The Volvo 780 will consume roughly 17 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Volvo 780 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 Volvo 780.
The table below is a complete list of the 4 Volvo 780 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 |
|---|---|---|
| 1990 Volvo 780 | 18 | $3,500 |
| 1989 Volvo 780 | 18 | $3,500 |
| 1988 Volvo 780 | 16 | $3,900 |
| 1987 Volvo 780 | 16 | $3,900 |
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/volvo/780">Volvo 780 MPG and Fuel Economy</a>
"Volvo 780 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/volvo/780.
"Volvo 780 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/volvo/780. Accessed January 3, 2026.
Volvo 780 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/volvo/780.