| Configuration/class/(code) |
Passenger Capacity |
Number |
| i) Rear-engined double-deck three-axle |
| Volvo Super Olympian LF 12 metre (air-con) (3ASV) |
130/132 |
492 |
| Metro-Cammell-Waymann "Metrobus" 11.0m M(S3M) |
142/143 |
170 |
| Dennis "Dragon" 11 metre (S3N) |
141/143/144/151 |
239 |
| Dennis "Dragon" 11 metre (air-con) (AD) |
119/135/136/141 |
359 |
| Leyland "Olympian" 11 metre (S3BL) |
142/143/150 |
346 |
| Leyland "Olympian" 11 metre (air-con) (AL) |
120/132/138 |
150 |
| Dennis "Dragon" 10 metre (air-con) (ADS) |
104/114/117 |
235 |
| Scania N11B DRB 11.5 metre (air-con) (AS) |
123/125 |
22 |
| Volvo "Olympian" 11.3 metre (air-con) (AV) |
124/131 |
531 |
| Volvo "Olympian" 12 metre (air-con) (3AV) |
137 |
348 |
| Volvo "Olympian" 11 metre (S3V) |
141 |
30 |
| Dennis "Dragon" 12 metre (air-con) (3AD) |
134 |
170 |
| Dennis "Trident" 12 metre (air-con) (ATR) |
126/128/131/133/134/135 |
391 |
| Neoplan SLF 12 metre (air-con) (AP) |
126/128/129 |
161 |
| Dennis "Trident" 10.6 metre (air-con) (ATS) |
110/111 |
150 |
| MAN 12 metre (air-con) (AMN) |
118/122 |
47 |
| Volvo Super Olympian LF 10.6 metre (air-con) (ASV) |
109 |
74 |
| Dennis "Trident" Enviro500 12 metre (air-con) (ATE) |
124 |
135 |
| Volvo Wright Body 12 metre (air-con) (AVW) |
121 |
7 |
| NEO-MAN 12 metre (air-con) (APM) |
122 |
1 |
| ii) Standard single-deck buses |
| Dennis Lance (air-con) (AN) |
65/78 |
15 |
| Dennis Dart (air-con) (AA) |
53/54/60/61/63/65 |
57 |
| Mitsubishi MK117J (air-con) (AM) |
45 |
165 |
| Total |
 |
4295 |