What is the difference between Skoda Octavia & VW Passat

The Skoda Octavia is a small family car produced by the Czech automaker Skoda Auto since 1996. The Octavia is available in hatchback & estate body styles. A Common misconception is that the Octavia is a saloon due to it is large boot.

The Volkswagen Passat is a family car built by Volkswagen AG, produced in various forms since 1973. It falls between the Volkswagen Golf/Jetta & Phaeton in the current Volkswagen lineup, & is currently produced in Volkswagen is plant in Emden, Germany, as well as Zwickau. Although normally known as the Passat in European & American markets, it has been badged as a variety of other names including Dasher, Santana, Quantum & Crossover in other markets. Its name is short for passatwind, German for ''trade wind.'' While the first generation Passat was a compact car/small family car, the second generation grew in size, so the rest of the Passats r mid-size cars/large family cars.

The guy above answered the most
just that skoda and vw share the same engine of vw.
so same engine different body