Volvo XC90 owner manual Engine specifications

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11 Specifications

Engine specifications

Engine designation	B6324S	B8444S
Output
kW/rps	175/103	232/100
hp/rpm	235/6200	311/6000
Torque
Nm/rps	320/53	440/65
ft. lbs./rpm	235/3200	170/4400
No. of cylinders	6	8
Bore (mm/in.)	3.3/84	3.7/94
Stroke (mm/in.)	3.77/96	3.13/79.5
Cylinder displacement, liters	3.19 (194.7 cu in)	4.41 (268.6 cu. in.)
Compression ratio	10.8:1	10.4:1

Charge air cooler (Intercooler)

Turbocharged engines employ a turbo-com- pressor to force air into the engine inlet mani- fold and a charge air cooler to cool the com- pressed inlet air. The resulting increase in air flow raises pressure in the intake manifold and increases engine power over that developed by the normally-aspirated engine. The charge air cooler (which resembles a radiator) is located between the turbo-compressor and inlet mani- fold.

Fuel system

The engine is equipped with a multiport fuel injection system.

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