If your wife has difficulty gaining access to a car then there is no substitute for experiencing them first hand to make sure they are suitable for her requirement, but a family-sized hatchback should provide enough space. Higher specification versions of these cars are available with electric seats, such as the Ford Focus Titanium X or the Honda Civic Advance, although it is worth bearing in mind that electric seats will not offer an increased range of adjustment, just the convenience of changing the seat position at the touch of a button.