The data indicates that all vehicles within the specified model range of the AUDI A5 Coupe & Cabriolet (2007-11) 2DR Coupe 2.0 TFSI Quattro SS EU5 211 Sport 6SPD are equipped with a 1.984-liter petrol engine. Notably, there is a 100% uniformity in both the engine capacity and primary fuel type, suggesting consistent specifications across the entire vehicle sample. This uniformity could imply that this particular engine and fuel configuration was standard for this model during that period.