The Peugeot 306 also came in a diesel veriety, which many people see as an important step in bringing economical diesel oil powered car to people. This version came in 1.8 litre, 1.9 litre, and 1.9 litre turbocharged versions. In 1999, Peugeot replaced these diesel engines with the 2.0 litre HDI engine which was better at saving fuel than all the other engines.