Edmunds Buyers Guide states: Innovative rear-access doors, customer focused dealers, great cargo capacity. * The Consumer Guide states: The Ion is better in every way. Ion matches most like- priced competitors for comfort and performance. *, Edmunds Buyers Guide states: Innovative rear-access doors, customer focused dealers, great cargo capacity. * The Consumer Guide states: The Ion is better in every way. Ion matches most like- priced competitors for comfort and performance. *