According to the Ford website, there are 2 reds with tech pack and 1 red and 2 blues without tech pack all available with 1 week delivery, which suggests they’re at the central depot. Whilst the list your dealer is seeing may be more up to date, there’s also a chance they’re more reluctant to get one for Motability customers? Definitely worth asking elsewhere (phone up a dealer somewhere else and see what they can get).
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Mark