Fourth-generation Prius 2015- Toyota Motor Corporation Official Global Website

There were no major design changes from the second to the third-generation Prius. However, the fourth-generation Prius, while inheriting the "triangle silhouette" design, now featured a more aggressive appearance with a lower center of gravity.The new model combined an outstanding fuel efficiency rating of 40.8 km/L in Japanese JC08 test cycle with superb performance in a dynamic redesign.

2016 Toyota Prius Excel first drive

How the Toyota New Global Architecture Will Impact Mass-Car Building

Toyota Reveals the Fifth Generation Prius : r/cars

2016 Toyota Prius: First Drive Of 56-MPG Hybrid

Toyota Rolls Out 4th Generation Prius, Promises 10% Mileage Increase

Toyota Prius (XW30) - Wikipedia

Japan Launch Marks Start of Journey for Dynamic New Prius, Toyota, Global Newsroom

2016 Toyota Prius Specs, Price, MPG & Reviews

4th-Gen Toyota Prius Revealed, On Sale By End of 2015