HYMERCAR Ayers Rock The Ayers Rock is a HYMERCAR model based on the Fiat Chassis. Like its predecessors, it is a miracle of compact design. HYMERCAR Rio Whether for short trips or longer journeys, alone or with up to 5 passengers – the Rio has all the stowage space you need. HYMER Original parts & accessories: A perfect match! Customers who buy a vehicle from HYMER are buying not only quality, economic efficiency and safety, but an excellent all-round service. Why HYMERCAR? The compact HYMERCAR panel vans are perfect all-rounders – great for everyday use, weekend getaways or the annual family holiday.