Volvo Xc90 2015 User Manual - A new base engine, a 2.0-liter turbo-four, has been added to the 2017 Volvo XC90 range. Also, the car’s infotainment system has received new apps including an optimized version of the music. Vehicle Overview. Before the Volvo XC60 came along, the Swedish automaker’s most critical vehicle was the seven-passenger XC90. Touting impressive driving dynamics, utility, and power, we named.