The 2015 Volvo XC90 gets about 18 miles per gallon and is described as a fuel efficient large crossover vehicle by Green Car Reports. The fuel efficient label is assigned to the XC90 due to its Drive-E engine.
The 2015 XC90 gets about 16 miles per gallon when driving in stop-and-go traffic, also described as city driving conditions. At highway speeds, the Volvo XC90 jumps up to 23 miles per gallon. Older models of the Volvo XC90 get slightly lower gas mileage with 2008 models coming in around 16 miles per gallon with city and highway driving fuel consumption combined.