The data indicates that all sampled vehicles of the 2019-24 Audi Q7 45 5DR SUV Quattro with the specified trim and features are equipped with a 2.967-liter (approximately 3.0-liter) diesel engine. Additionally, every vehicle in the sample uses diesel as its primary fuel type. This suggests a consistent engine capacity and fuel choice across this particular model range, likely due to manufacturer specifications and market preferences for this vehicle variant.