Very much could breach the equality act, I contacted Motability customer support to ask if this was standard practice for VW orders, or if it was unfair. Obviously the response was neither confirming nor denying the practice being unfair or against the Equality Act.
Definitely seems like it.
Current: 2023 MG4 Trophy (soon to get rid)
Ordered: VW ID4 Match Pro 210kw 77kWh [Blue Dusk] Expected August!