The data indicates that all Nissan X-Trail (2014-18) 5-door SUV 2WD models with the specified trim are equipped with a 1.6-liter petrol engine. Specifically, 100% of the vehicles surveyed have an engine capacity of 1,618cc. Additionally, all these vehicles run on petrol, with no alternative fuel types present in the dataset. This consistency suggests that this particular model and trim predominantly or exclusively features a 1.6L petrol engine, which could be useful information for buyers or inspectors interested in engine specifications.