If you prioritize clear performance metrics and extended cleaning sessions, the Bissell Little Green is ideal. With its robust 5.7-amp motor and generous 48.0 oz tank capacity, you can tackle multiple stains without frequent refills. It’s perfect for homeowners or car enthusiasts who need a reliable, powerful cleaner for embedded stains and odors, appreciating the included specialty tools for various surfaces and vehicles. This is your go-to if you value known specifications and consistent cleaning power.

The Shark StainStriker is perfect for those who prioritize extreme portability and quick, efficient spot cleaning, especially for pet messes. Weighing under 9 lbs, it's incredibly easy to grab and use anywhere—from upholstery to tight car interiors. If you value a lightweight, compact design for immediate stain and odor removal, and don't mind unspecified tank capacity or power, this is your choice. Its focus on pet mess extraction makes it a must-have for pet owners seeking rapid cleanup solutions.