Yikes! Food for thought. What about door protectors? I found a supplier for Captiva door pillar trims a while ago, but the dimensions are quite different on the Antara. Made me think that these vehicles are not necessarily interchangeable, so look before you leap before buying spares and accessories.
2015 2.2 CDTi SENav 163ps manual 4x4 in Carbon Flash with 19\" alloy spare towing a Bailey Unicorn III Madrid @ 1500kg.