What is the difference between horse transport and trucks?

Horse transport seems to have better stats than trucks, even if cheaper to buy?

What's up with that?

I'm currently playing the Winter War DLC, and as with previous campaigns, I'm running out of requisitions points the further I get into a campaign. This means that I'm not only not able to acquire new units, but I'm not even able to reinforce my core units anymore. I'm wondering if I, as a long stan...