Roster
Historic and current buses used by the Gray Coach:
| Make/Model | Description | Fleet size | Year acquired | Year retired | Notes |
| AEC/CCC Ranger Coach | highway coach | 4 | 1932–1934 | ||
| Flxible Clippers | highway coach | 10 | 1949 | acquired by Independent Bus Lines | |
| General Motors Diesel Division Buses SDH-5302 | glass-roof sightseeing bus | 5 | 1965 | for operation as Gray Line Worldwide franchisee | |
| Motor Coach Industries MC-9 | highway coach | 51 | 1979–1984 | 10 for airport service | |
| Motor Coach Industries MC-5B | highway coach | 5 | 1976 | ||
| Motor Coach Industries 102A3 | highway coach | 42 | 1985–1991 | 4 for airport service | |
| General Motors Highway Parlour Coach PD-4104 | highway coach | 43 | 1955–1959 | ||
| Flyer Industries D901SS | suburban bus | 9 | 1981 | 1999 | used for Gray Line tours; 1 later transferred to TTC and all to TTC after 1991; retired approximately 1997-1999 |
| Yellow Coach 743 | coach |
Livery of early buses were gray with the red crest with the words Gray Coach Lines. The crest disappeared and replaced with the full wording with blue strip. The final buses had a white base with black letters GC. Red strip was found on sightseeing buses.
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