Seat has released the Seat Mii 5-door, a vehicle which especially marketed for urban trips. This vehicle was designed to provide more space for passengers. Seat Mii 5-door model measures 3.56 meters in length and 1.64 meters in width.

Using the same 1.0-litre three-cylinder engine as the previous 3-door models (60 PS or 75 PS), Seat Mii 5-door model has a fuel consumption of 4.5 liter per 100 km. However, the Ecomotive version (the most efficient version) of Seat Mii 5-door will has a fuel consumption of 4.1 liters per 100 km (60 PS version) and has a fuel consumption of 4.2 liters per 100 km (75 PS model).

Seat 5-door Mii is also equipped with the City Safety Assist system, and a special Portable System such as hands-free phone capability with voice control, a removable 5-inch touchscreen, an on-board computer, a satellite navigation system. For the Ecomotive version, Seat Mii 5-door will gets an additional brake energy recovery technology and a start/stop system.