Quiz: What is the impact of engine size on fuel economy? April 1, 2025 by Alex Turner What is the impact of engine size on fuel economy? Discover more about Vehicle Engine and Automobile at our home page. A) Larger engines typically consume more fuel, reducing fuel economy. B) Engine size has no effect on fuel economy. C) Smaller engines always provide better fuel economy, regardless of vehicle weight. D) Larger engines are more efficient at all speeds than smaller engines. Submit Answer