CHEVROLET OPTRA 1.6L F16D3 ENGINE Overview The Chevrolet Optra 1.6L F16D3 engine is a reliable and efficient petrol engine designed to deliver dependable everyday performance. With a 1.6-litre inline 4-cylinder configuration and a DOHC 16-valve cylinder head, the F16D3 engine provides a smooth balance of power, fuel economy, and durability. Originally developed by GM Daewoo, this engine was fitted to …