The data indicates that all vehicles of the AUDI A1 (2014-19) 5DR SPORTBACK 1.6 TDI DPF SS 116 EU6 SE STRON AUTO7 model are equipped with a 1.6-liter engine capacity and run exclusively on diesel fuel. This uniformity suggests that the model maintains consistent specifications in terms of engine size and fuel type across the sampled vehicles, which can be useful for consumers seeking specific performance or fuel economy characteristics.