I used to use Auto Reisen all the time, until we ordered a Beetle Cabriolet for 1 week as a surprise for Ethan as he loved them (he's come to his senses now

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To cut a long story short, they took payment (nearly £500!) and then said they didn't have that car but would deliver it to me the following day. They then gave me a Seat (approx £120 for 1 week).
After 3 days of being 'fobbed off' they finally delivered the Beetle and took the Seat away with no apology or even offering to pay the difference. They just didn't seem to care?
Since then, we've always used Auto Pluscar and in the past 6 years, have never had a problem.