A sport compact is a high-performance version of a compact car or a subcompact car. They are typically are front engined, front-wheel drive or all-wheel drive coupés, sedans, or hatchbacks driven by a straight-4 gasoline engine. Performance-oriented sport compacts generally focus on improving handling and increasing performance by engine efficiency, rather than increasing engine size. Sport compacts often feature external body modifications to improve aerodynamics or house larger wheels.