Duster 4×4 cheaper than 4×2 ??? Who can help ???

Hello, just wanted to put together an EU Duster from Holland at Automobile-Krämer. In the Carcofigurator I noticed that the 4×4 is 50 euros cheaper than the 4×2. On the phone I was told that this is not a printing error. Can this be ?? I trust in your help Thanks