Ragnarok

Weight: 2,850 tons
Length: 108 meters
Width: 77 meters
Height: 54 meters (on the ground), 65 (meters in the air)
Weapon: 609 mm charged cannon, 2x 152 mm multibarreled laser
Speed: 11.8 km/s (maximum)

This ship is a very fast vehicle. It can take you to every place on the worldmap. It even has an automatic pilot. You'll get the ship when you're playing DISC 3.

Trains

Weight: 313 tons
Length: 144 meters
Width: 4.3 meters
Height: 6.1 meters
Weapons: N/A
Speed: 260 km/h (maximum)

You can find these trains all around the world. You need to pay for it.

Submarine

Weight: unknown
Length: unknown
Width: unknown
Height: unknown
Weapon: unknown
Speed: unknown

There's no information available about this vehicle. 'Cause you only use it once, when you need to do the mission in Dollet (Exam: Dollet Mission). You'll see this submarine only in DISC 1.

Cars

Weight: unknown
Length: unknown
Width: unknown
Height: unknown
Weapons: N/A
Speed: unknown

There are rental cars all over the world. You can rent them inside cities. Using a car on the world map, prevents you from fighting monsters.

Galbadia Garden

Weight: unknown
Length: unknown
Width: unknown
Height: unknown
Weapon: N/A
Speed: unknown

Later in the game Galbadia Garden turns into a hoovercraft like vehicle. It's not very fast, but you'll be able to use it on land and sea. Because this vehicle isn't that fast, I prefer using the Ragnarok.