Comparison of different bus standards is as follows:
| Class |
Type |
Standard |
Decks |
|
|
1st Class Air-Conditioned Bus Special (VIP) |
M.1 Kor |
1 |
|
|
1st Class Air-Conditioned Bus Special (VIP) |
M.1 Kor |
1 |
|
|
1st Class Air-Conditioned Bus Special (VIP) |
M.4 Kor |
2 |
| M.1 Kor |
1 |
|
|
1st Class Air-Conditioned Bus Premium Seat |
M.4 Por |
2 |
| M.1 Por |
1 |
|
|
1st Class Air-Conditioned Bus |
M.4 Khor |
2 |
| M.1 Khor |
1 |