i remember some very fun, like this: https://gamebanana.com/gamefiles/517
it adds some "bombs" to vehicles, looks basic but with practice you can use vehicles like tik tok bombs and threw them to enemy bases, i got some others toooo, can we try them? ;D
And here's a link to some cool hovercraft tanks. They're amazing. In the video, each tank is shown in action.
http://crash-ut3.clan.su/addons/ut2004_mutatory/transport/hover_tank_collection/82-1-0-3985 (http://crash-ut3.clan.su/addons/ut2004_mutatory/transport/hover_tank_collection/82-1-0-3985)
Mods
https://www.utzone.de/forum/downloads.php?do=cat&id=28