Based on the available data for the Fiat 500L MPW (2013-18) 5-door model with the specified version, all vehicles in the sample are equipped with a 1.6-liter engine, and none use alternative fuels, with 100% running on diesel. This indicates that the 1.6L diesel engine is the sole engine capacity and fuel type for this particular model and trim, reflecting a consistent engine specification across the sample.