| Comfort | Walk to terminal, 2–5 min | Shuttle transfer, usually 8–15 min |
| Indicative price | Higher | Usually lower for longer stays |
| Distance to terminal | On-site | Typically 2–5 km from the airport |
| Shuttle | Not needed | Free shuttle (if confirmed by provider) |
| Advance booking | Recommended in peak season | Strongly recommended for best price |
| Cancellation | Subject to Aena conditions | Varies by provider — check before booking |
| Security | 24/7, operated by the airport authority | Fenced lots with CCTV — confirm with provider |
| Short trips (1–2 days) | Often the better fit | Possible, but shuttle adds time |
| Long stays (7+ days) | Premium price | Usually the better value |
| Families with luggage | Easy walk to check-in | Choose providers with shuttle and luggage help |
| Early-morning flights | Predictable, no shuttle wait | Confirm first shuttle of the day |
| Pickups at arrivals | Best fit, terminal-close | Less convenient for short pickups |