| 1964 | In 1964 Des O'Dell joined Marcus Chambers | |||
| Welsh Rally | 875cc | 'Tiny' Lewis | 8th overall | |
| 1965 | ||||
| Monte Carlo Rally | 875cc | Rosemary Smith | 2nd Ladies' Award | |
| Circuit of Ireland | 'Tiny' Lewis | 8th overall; 2nd in class | ||
| Rosemary Smith | 3rd in class; Ladies' Award | |||
| Tulip Rally | Rosemary Smith | 1st overall | ||
| 'Tiny' Lewis | 2nd overall | |||
| Scottish Rally | 'Tiny' Lewis | 2nd overall; class win | ||
| Rosemary Smith | 5th overall; Ladies' Award | |||
| French Alpine | Rosemary Smith | class win; Ladies' Award; 5th in category | ||
| RAC Rally | 'Tiny' Lewis | 3rd in class | ||
| Rosemary Smith | Manufacturer's Team Prize | |||
| Andrew Cowan | ||||
| 1966 | Monte Carlo Rally | 875 | Rosemary Smith | Ladies Award, then disqualified |
| Patrick Lier, private entry | Class win | |||
| 'Tiny' Lewis | Class win | |||
| Circuit of Ireland | Rallye Imp | Rosemary Smith | Ladies' Prize | |
| Rallye Imp | Colin Malkin, private entry | Class win | ||
| Tulip Rally | Rallye Imp | 'Tiny' Lewis | Class win | |
| Shell 4000 Rally (Canada) | Rallye Imp | Rosemary Smith | 8th overall; 1st in class; Ladies' award | |
| Acropolis Rally | Rallye Imp | Rosemary Smith | 3rd in category; 1st in class; Ladies' award | |
| Scottish Rally | Rallye Imp | Rosemary Smith | 3rd overall; Ladies' award | |
| Gulf London | Rallye Imp | Andrew Cowan, private entry | 5th overall; class win | |
| Welsh Rally | Rallye Imp | Andrew Cowan | 1st in class; 5th overall | |
| Rallye Imp | Colin Malkin, private entry | 2nd in class | ||
| 1967 | ||||
| Monte Carlo Rally | Sunbeam Imp | Andrew Cowan | 1st in class; Sport category | |
| Rallye Imp | Peter Harper | 2nd in class | ||
| Rallye Imp | Patrick Lier, private entry | 1st in class | ||
| Circuit of Ireland | Rallye Imp | Rosemary Smith | 1st in class; Ladies' Award | |
| Tulip Rally | Rallye Imp | Peter Harper | 2nd in class; 3rd in category | |
| Shell 4000 Rally (Canada) | Rallye Imp | Rosemary Smith | 1st in class; Ladies' award | |
| Scottish Rally | Rallye Imp | Rosemary Smith | 4th overall; 1st in class; Ladies' award | |
| French Alpine | Rallye Imp | Andrew Cowan | 2nd in class | |
| Rallye Imp | Rosemary Smith | 3rd in class; Ladies' award | ||
| RAC Rally | Rallye Imp | Andrew Cowan | 3rd overall; TV special stage | |
| 1968 | ||||
| Monte Carlo Rally | Rallye Imp | Rosemary Smith | 2nd Coupe des Dames | |
| Sunbeam Imp Sport | Andrew Cowan | 1st in class | ||
| Circuit of Ireland | Rallye Imp | Rosemary Smith | 3rd overall; Ladies' Prize | |
| Scottish Rally | Rallye Imp | Colin Malkin | 3rd overall | |
| Rosemary Smith | 5th overall; Ladies' Prize | |||
| Andrew Cowan | Team Award | |||
| Gulf London Rally | Rallye Imp | Andrew Cowan | 7th overall | |
| 1969 | ||||
| Scottish Rally | Rallye Imp | Andrew Cowan, private entry | 2nd overall | |
| The Imp Site Competitive Impers Imps in rallies Other results (1970 - ....) Works Imps results by year | © Franka |