To be eligible to join the Motability Scheme, you will need to receive one of the following Mobility allowances with at least 12 month's award length remaining: Enhanced Rate Mobility Component of Personal Independence Payment (ERMC PIP), Higher Rate Mobility Component of Disability Living Allowance (HRMC DLA), War Pensioners' Mobility Supplement (WPMS), Armed Forces Independence Payment (AFIP). There is also an eligibility checker available here.