The data indicates that nearly all vehicles of the Peugeot 508 Fastback (2018-23) 5DR Fastback Hybrid PHEV 1.6 11.8KWH 225 GPF SS EU6 GT LINE EAT AUTO8 are equipped with a 1.6-liter engine capacity. Additionally, the vast majority (99.1%) of these vehicles are primarily fueled by hybrid electric power, with only a small fraction (0.9%) using petrol. This highlights the strong market preference or manufacturer focus on hybrid electric models within this specific vehicle variant.