I would certainly not give up on your Antara when we looked for a replacement for our Mazda 6 tried loads of different cars and checked out their forums and Kuga/kia and VW all have members with similar tales some DPF issues even worse than ours!!!
I would give VX another go but mention earlier comments about your legal rights and see what happens good luck either way
I would give VX another go but mention earlier comments about your legal rights and see what happens good luck either way