Couple Size Issues

I recently bought an RID Magnus (for $20) and realized something.
1) He's pretty close to a G1 cartoon/movie accurate Ultra Magnus, and I think fits in very well with my Classics.
2) He's almost perfectly in scale with Prime, being only slightly bigger then the Classic Matrix holder. So this leads me to a question. A car carrier can carry several cars, so wouldn't Magnus be alot taller then most Autobots? And not just that. Wouldn't he be the same size if not bigger then Devastator? I mean, Semi's carry Construction equipment all the time. The new Devastator and my "new" Magnus got me thinking about this. I think it works out pretty well, considering, technically, Prime would have to fit inside of him. And if you hold Classics Prime up to RID Magnus, you notice just how correct the size is.
Note, I'm putting all "size shifting" aside. I realize if Megatron was the size of a gun he'd only be a minibot.
1) He's pretty close to a G1 cartoon/movie accurate Ultra Magnus, and I think fits in very well with my Classics.
2) He's almost perfectly in scale with Prime, being only slightly bigger then the Classic Matrix holder. So this leads me to a question. A car carrier can carry several cars, so wouldn't Magnus be alot taller then most Autobots? And not just that. Wouldn't he be the same size if not bigger then Devastator? I mean, Semi's carry Construction equipment all the time. The new Devastator and my "new" Magnus got me thinking about this. I think it works out pretty well, considering, technically, Prime would have to fit inside of him. And if you hold Classics Prime up to RID Magnus, you notice just how correct the size is.
Note, I'm putting all "size shifting" aside. I realize if Megatron was the size of a gun he'd only be a minibot.