2010 Ford Fusion Performance & Efficiency Standard Features - 2,488 cc 2.5 liters in-line 4 front engine with 88.9 mm bore, 100.1 mm stroke, 9.7 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder Duratec 25 - Unleaded fuel 87 - Multi-point injection fuel system - 17.5 gallon main unleaded fuel tank 14.6 - Power: 130 kW , 175 HP SAE @ 6,000 rpm; 172 ft lb , 233 Nm @ 4,500 rpm