2025 Volvo Xc60 Mild Hybrid Features. Up to 23 city/30 hwy mpg**. The b5 provides ample thrust, but the t8 phev offers improved efficiency with much quicker.

The epa says the mild hybrid is good for 23 mpg in the city, 30 mpg on the highway, and 26 mpg combined; Core, plus, ultra, and polestar engineered.