While the architecture is the same, the EV horsepower and range numbers are noticeably different. The outgoing Prius Prime plug-in has an 8.8 KWh lithium-ion pack that provides 25 miles of electric range. The new model has a 13.6 kWh lithium-ion battery that offers an electric range of 44 miles. The 54% increase in pack power results in a 76% increase in all-electric range. This puts the Prius Prime EV with a range greater than the 41 miles that the average person in the United States drives every day, making it a full electric vehicle for most people in the US. part of the time. The extra battery capacity makes the car about 200 pounds heavier than the outgoing Prius Prime, and about 100 pounds heavier than the non-plug-in version.
If you purchase the top Prime trim, you can optionally add a 185-watt sunroof. Charges the traction battery when parked and supplies power to the 12v system while driving. It will be interesting to see real-world testing, but based on typical solar panel outputs, you’ll only really get a couple miles per day of range. The extra range and cooler cabin would only be worth it if you plan to park outside all day anyway.