2004 Buick Regal LS

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3,791 cc 3.8 liters V 6 front engine with 96.5 mm bore, 86.4 mm stroke, 9.4 compression ratio, overhead valve and two valves per cylinder L36

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Unleaded fuel 87

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Fuel economy EPA highway (mpg): 30 and EPA city (mpg): 20

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Multi-point injection fuel system

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17 gallon main unleaded fuel tank

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Power: 149 kW , 200 HP SAE @ 5,200 rpm; 225 ft lb , 305 Nm @ 4,000 rpm