Quarter Horse:
- Stockier and more muscular
- Known for their speed and acceleration over short distances
- Commonly used for barrel racing, reining, cutting, and other Western riding disciplines
- Gentle and easy to train
Arabian:
- Sleeker and more refined
- Known for their endurance, agility, and beauty
- Commonly used for long-distance riding, trail riding, and dressage
- Intelligent and sensitive
In general, Quarter Horses are better suited for activities that require quick bursts of speed and agility, while Arabians are better suited for activities that require sustained endurance and stamina.