How many litres of engine oil required in 1600cc Chevrolet optra petrol car?

The Chevrolet Optra with a 1600cc petrol engine typically requires about 4 to 4.5 liters of engine oil, including the oil filter change. It's important to consult the owner's manual or check with a dealership for the specific oil capacity, as it can vary slightly based on the model year and specific engine design. Always ensure you use the recommended oil type for optimal performance.