The data indicates that all sampled vehicles of the Lexus LC (2017-21) 500 2DR Coupe with the specified engine and features are equipped with a 4.969-litre (approximately 5.0-litre) petrol engine. Notably, 100% of these vehicles use petrol as their primary fuel type, with no alternative options reported. This suggests a consistent engine and fuel configuration across the model variant, reflecting the vehicle's design focus on performance and luxury.