1998 Mercury Grand Marquis GS

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4,601 cc 4.6 liters 8 V front longitudinal engine with 90.2 mm bore, 90 mm stroke, 9 compression ratio, cast iron block, light alloy head, overhead cam and two valves per cylinder

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Unleaded fuel

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Fuel economy EPA highway (l/100km): 9.8

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Multi-point injection fuel system

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72 liter fuel tank

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Power: 149 kW , 200 HP @ 4,250 rpm; 265 ft lb , 359 Nm @ 3,000 rpm