The Prius Plug-in Hybrid is the Prius Prime renamed for 2025. It shares the same low-slung design as the regular Prius, but it adds a larger lithium-ion battery that can be plugged in for an electric-only range between 39 and 44 miles, depending on trim, impressive for a plug-in hybrid electric vehicle (PHEV). Unlike a pure EV, it also has a 2.0-liter gas engine. Once the battery is depleted, the Prius Plug-in Hybrid acts like a regular hybrid. The EPA estimates the combined mpg to be between 48 mpg and 52 mpg, depending on trim, when operating in their hybrid modes. It managed 43 mpg with our tested XSE trim--a disappointing 8-mpg drop vs. the regular Prius. It takes about 10 hours to charge the battery on a standard 120-volt outlet, or about 4 hours on a 240-volt EV charger. The Prius Plug-in Hybrid is not available with all-wheel drive. In most other ways the Plug-in Hybrid is very similar to the regular Prius, with responsive handling, a firm ride, a noisy engine, awkward access, and limited visibility. Its hatchback design adds versatility.