Although it is currently not a CMSG Championship, for a few years autotesting was a very competitive discipline within the CMSG. Between 1992 and 1996, Witney Motor Club 'ruled the roost', as/when the Championship returns, will they still?
Autotest Championship Previous Winners
| Year | Driver | Best Club |
| 1996 | R Gill | Witney Motor Club |
| 1995 | A Barnes | Witney Motor Club |
| 1994 | N Cuss | Witney Motor Club |
| 1993 | R Humphrey | |
| 1992 | S Bradley | Witney Motor Club |