Images of Seat’s forthcoming Exeo saloon and estate have leaked onto the internet after the design of the car was registered with trademark authorities in Spain.As we previously reported, the Exeo is based on the previous-generation Audi A4, and the images make clear that, apart from its new nose and tail, the Seat looks almost identical. The images also confirm for the first time that Seat will be using the A4 Avant bodyshell to produce an estate version of the Exeo. Production of the car is scheduled to begin in December, with UK sales starting early next year.Details of the prices, specifications and powerplant options will have to wait closer to its launch, but Seat insiders say the Exeo will be priced at a similar level to the Skoda Superb, suggesting a range from around £15,000 to £23,000.