The Iberian Warmblood is a sport breed which is created when a Lusitano, an Andalusian, or a Sulphur Springs Mustang is crossed with any other breed, usually a sport breed. The most common cross is between an Andalusian or a Lusitano and a Thoroughbred.

Breeding rules:
Iberian Warmbloods must have at least 25% Spanish blood in order to be eligible for registration. Therefore, when it comes to Horse Isle, Iberian Warmbloods can be crossed only with Pure Spanish Horses (including the subtypes Andalusian and Carthusian), Lusitano horses (both Lusitano and Alter Real), Sulphur Springs Mustangs, and Iberian Warmbloods.

Conformation:
In general, Iberian Warmbloods should have an athletic conformation which is appropriate for sport disciplines. That said, the exact conformation can vary between different Iberian Warmbloods, because it depends on the extent to which they inherited the conformational traits of their Spanish parents, and on the conformation of the non-Spanish parents.

Performance metrics:
The following are the: range, average, (SD), and MOE of performance metrics of ordered Iberian Warmbloods in Horse Isle (not bred ones). In rare cases, horses might have metrics outside of the range. Breeders can produce horses that are beyond this range.

Speed: 15.9-17.5, 16.7 (0.3), 0.07.
Sprint: 55-66, 61 (2), 0.44.

Accel: 0.95-1.17, 1.05 (0.04), 0.01.
Decel: 0.94-1.09, 1.01 (0.03), 0.01.

Jump: 5.21-5.58, 5.39 (0.07), 0.01.
Pull: 2.05-2.88, 2.38 (0.15), 0.03.

Turning: 54.39-67.89, 60.96 (2.88), 0.56.
Reverse: 2.7-3.3, 3.0 (0.1), 0.03.

Stamina: 46.12-52.09, 49.04 (1.34), 0.26.
Reaction: 0.73-0.84, 0.80 (0.02), 0.00.

Coats & Height:
Iberian Warmbloods can come in all colors and patterns except for dominant black, mushroom, and pangare, though these colors can be bred into them.

Height: 14.3hh and 17.2hh.