In 2026, Taxis are generally cheaper for short city trips, while Uber (and its local competitor Cabify) can be cheaper for longer distances or airport transfers, but only when surge pricing is not in effect. In major cities like Madrid and Barcelona, Taxis are strictly regulated with flat meters, meaning you won't be surprised by "demand spikes." Uber in Spain often operates through VTC (Vehículo de Turismo con Conductor) licenses, which are legally required to provide "upfront pricing." A supportive 2026 reality is that in Barcelona, heavy regulations on ride-sharing apps often make Taxis much easier to hail and more cost-effective for 15-minute rides. However, if you are traveling to a remote suburb or late at night, Cabify is often preferred by locals for its fixed, predictable rates. Peer tip: download the "Free Now" app in Spain; it allows you to hail official city Taxis with the convenience of app-based payment and tracking.