Debutants
Aitor Garmendia is the youngest debutant in Vuelta Aragón in 1990. There are 16 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | GARMENDIA Aitor | Banesto | 22y + 80d |
| 2 | GONZALO Victor | Banesto | 23y + 72d |
| 3 | SCIANDRI Maximilian | Carrera Jeans - Vagabond | 23y + 96d |
| 4 | BONTEMPI Fabrizio | Diana - Colnago | 23y + 202d |
| 5 | WOODS Dean | Team Stuttgart | 23y + 334d |
| 6 | VERBEKEN Peter | Isoglass - Garden Wood | 24y + 37d |
| 7 | MAURI Melchor | O.N.C.E. - Look - Mavic | 24y + 44d |
| 8 | ARNTZ Marcel | Team Stuttgart | 24y + 185d |
| 9 | WELTZ Kenneth | O.N.C.E. - Look - Mavic | 24y + 243d |
| 10 | NIJBOER Erwin | Team Stuttgart | 25y + 354d |
| 11 | HENN Christian | Carrera Jeans - Vagabond | 26y + 72d |
| 12 | GRÖNE Bernd | Team Stuttgart | 27y + 92d |
| 13 | WELTZ Johnny | O.N.C.E. - Look - Mavic | 28y + 63d |
| 14 | WULLER Werner | Team Stuttgart | 28y + 248d |
| 15 | DE BIE Danny | S.E.F.B. - Saxon - Gan | 30y + 119d |
| 16 | VAN BRABANT Benny | Isoglass - Garden Wood | 31y + 14d |