2018 Volvo XC90 AWD PHEV MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2018 Volvo XC90 AWD PHEV.

The 2018 Volvo XC90 AWD PHEV has a 34 and 65kW 3-phase Sync. electric motor which is charged via standard charger.

All MPG estimates are "MPG equivalent". This is a conversion of electric energy consumption to a gasoline equivalent.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2018 Volvo XC90 AWD PHEV is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2018 Volvo XC90 AWD PHEV Get?

First off, the most commonly asked question. A 2018 Volvo XC90 AWD PHEV gets up to 26 miles per gallon in the city, and 30 miles per gallon on the highway.

The combined average MPG for the 2018 Volvo XC90 AWD PHEV is 27 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2018 Volvo XC90 AWD PHEV?

The estimated fuel costs for the 2018 Volvo XC90 AWD PHEV is $2,750 per year.

That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

If you were to compare a 2018 Volvo XC90 AWD PHEV to an average vehicle over 5 years, you will save $1,750 on fuel.

🛢 How Many Barrels of Petroleum Does a 2018 Volvo XC90 AWD PHEV Consume?

The 2018 Volvo XC90 AWD PHEV will consume roughly 6 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

💨 How Many Grams of CO2 Does a 2018 Volvo XC90 AWD PHEV Emit?

For every mile driven, the 2018 Volvo XC90 AWD PHEV will emit 187 grams of CO2, which is about 2,805,000 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 96 trees would be needed to offset emissions from the 2018 Volvo XC90 AWD PHEV.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2018 Volvo XC90 AWD PHEV.

City MPG26
Highway MPG30
Combined MPG27
Save/Spend vs Average CarSave $1,750
Fuel Cost$2,750
Fuel Type 1Premium and Electricity
Fuel Type 2Electricity
Electric Motor34 and 65kW 3-phase Sync.
ATV TypePlug-in Hybrid
Barrels of Petroleum6
Grams of CO22,805,000
Trees Needed to Offset134
DriveAll-Wheel Drive
Cylinders4
Displacement2
TransmissionAutomatic (S8)
Vehicle ClassStandard Sport Utility Vehicle 4WD
Start/Stop?Yes
Supercharged?Yes
Turbocharged?Yes

Related Volvo Models from 2018

If you're interested in other Volvo models from 2018, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.

Link To or Reference This Page

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

  • "2018 Volvo XC90 AWD PHEV MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/volvo/xc90-awd-phev/2018.

  • "2018 Volvo XC90 AWD PHEV MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/volvo/xc90-awd-phev/2018. Accessed January 3, 2026.

  • 2018 Volvo XC90 AWD PHEV MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/volvo/xc90-awd-phev/2018.