1997 Buick Riviera Coupe

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3,785 cc 3.8 liters 6 V 90° front transverse engine with 96.5 mm bore, 86.4 mm stroke, 9.4 compression ratio, cast iron block, cast iron head, overhead valve and two valves per cylinder

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Unleaded fuel

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Fuel economy EPA highway (l/100km): 8.1

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Multi-point injection fuel system

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Main 72 liter fuel tank

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Power: 153 kW , 205 HP @ 5,200 rpm; 230 ft lb @ 4,000 rpm