Cyclocross bikes are purpose-built for short, intense efforts, featuring a shorter wheelbase, a more forward rider position, and a higher bottom bracket for pedaling through corners, or even bunny hopping. Gravel bikes are designed with a lower bottom bracket, longer wheelbase, and clearance for wider tires, making them more suitable for longer rides on rough roads, gravel and dirt. A gravel bike typically has a wider gear for longer, steeper climbs, as well as frame mounts so you can attach extra bags or racks for longer treks and bikepacking adventures.

The primary differences are width and tread patterns. Cyclocross race tires can be limited by rules to widths in the 33mm range, while gravel tires can be up to 50mm or larger, depending on terrain. Cyclocross tires are often designed with a tread pattern for specific surfaces, such as mud or grass, while gravel tires are designed to roll fast on gravel and dirt surfaces. Gravel tires also typically have more puncture protection, including reinforced casings.

Cyclocross bikes can be used for gravel riding. Before gravel bikes were introduced, many riders used cyclocross bikes to ride gravel and dirt roads. There are many similarities between cyclocross bikes and gravel bikes, however a cyclocross bike typically does not have rack mounts, has a narrower range of gears, and a more aggressive, forward rider position that may be less suitable for long adventure rides.