Billionaire horse lover buys stallion for 720,000 euros – what makes a horse so expensive?. Noble breeding horses reach top prices in the millions, which can often only be paid by top earners or breeders.
Between the ages of five and nine, horses are considered to be the most expensive. From around the age of 17, the animals lose value. Noble animals are preferred to be branded with the brand of origin of the horse. English thoroughbred, the Arabian thoroughbred and the American Quarter Horse are considered most expensive horse breeds in the world.