The data indicates that for the Porsche 911 (2015-20) Carrera 4S 2DR Coupe 3.0T SS 420 EU6 7SPD model, the distribution of manufacture years is evenly split between 2016 and 2017, each accounting for 50% of the sample. This suggests that during this period, the vehicle was primarily produced in these two years, with no representation from other years within the range. Such a distribution may reflect a focus on these manufacturing years, possibly due to model updates or production cycles.

The data indicates that all vehicles of the Porsche 911 (2015-20) Carrera 4S 2-door Coupe with the specified model details are equipped with a 3.0-liter (2981 cc) engine. Additionally, 100% of these vehicles run on petrol fuel. This consistency suggests a uniformity in the engine capacity and fuel type for this particular model and trim.