When I typed this up somehow my post got eaten before I was able to copy and paste it to a document so I lost everything. I managed to remember the order but I don’t have time to write up descriptions for every ship. You know what they do; just try to actually run gold with them! 
Top 5 Viking Gold Runners
1. Sleipnir
2. Donar
3. Grendel
4. Kalaallit
5. Hrothgar
Honorable mentions (in no particular order): Kalmar, Elsinore, Hlidskjalf, Wodin, Freya, Fenrir