| 14.8.1955 | Snetterton International [S+1.5] | 85 | #XKC 005 | John Barber | Mrs. R. Vickers | raced |
| 14.8.1955 | Snetterton International [S+1.5] | 103 | #XKC 052 | Peter Blond | P. Blond | raced |
| 14.8.1955 | Snetterton International [S+1.5] | 106 | #XKC 051 | Bill Smith | W. T. Smith | 3rd |
| 14.8.1955 | Snetterton International [S+1.5] | 108 | #XKC 021 | Dick Protheroe | D. Boston | raced |
| 14.8.1955 | Snetterton International [S+1.5] | 113 | #XKC 038 | Dan Margulies | D. Margulies | raced |
| 14.8.1955 | Snetterton International [S+1.5] | 114 | #XKC 008 | John Hogg | J. Hogg | raced |
| 21.8.1955 | Buchanan Field [Modified +1.5] | 46 | #XKC 023 | Jack Douglas | Jack Douglas | DNA |
| 21.8.1955 | Buchanan Field [Modified +1.5] | 100 | #XKC 017 | Ray Seher | Ray Seher | 3rd |
| 27.8.1955 | ADMC Crimond [Sports] | 29 | #XKC 053 | Jock Lawrence | J. K. Hunter | 2nd |
| 27.8.1955 | ADMC Crimond [Formula Libre] | 29 | #XKC 053 | Jock Lawrence | J. K. Hunter | 2nd |
| 27.8.1955 | ADMC Crimond [Formula Libre] | 43 | #XKC 005 | Rosemary Vickers | Mrs. A. D. N. Vickers | DNA |
| 27.8.1955 | ADMC Crimond [Sports] | 43 | #XKC 005 | Rosemary Vickers | Mrs. A. D. N. Vickers | DNA |
| 3.9.1955 | Preliminary Santa Barbara [Modified +1.5] | 54 | #XKC 023 | Jack Douglas | Jack Douglas | DNA |
| 3.9.1955 | Aintree International | 78 | #XKC 021 | Protheroe / Boston | R. Protheroe | DNA |
| 3.9.1955 | Aintree International | 79 | #XKC 051 | Bill Smith | W. T. Smith | DNF |
| 3.9.1955 | Aintree International | 80 | | Louis Manduca | L. Manduca | DNA |
| 3.9.1955 | Preliminary Santa Barbara [Modified +1.5] | 130 | | Harrison Evans | Harrison Evans | DNA |
| 3.9.1955 | Preliminary Santa Barbara [Modified +1.5] | 155 | | Harold Erb | Bob Downey | DNA |
| 3.9.1955 | Sunbac Silverstone [S+1.5] | | #XKC 005 | Rosemary Vickers | | 3rd |
| 4.9.1955 | Stockholmsloppet [S+2.0] | 2 | | Dan Margulies | | raced |
| 4.9.1955 | Skarpnäcksloppet [PS2.0/PS+2.0] | 21 | | Dan Margulies | | DNA |
| 4.9.1955 | SCCA National Thompson [CM+DM] | 51 | #XKC 013 | Jack Crusoe | | 3rd |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 54 | #XKC 023 | Jack Douglas | Jack Douglas | DNA |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 130 | | Harrison Evans | Harrison Evans | DNA |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 155 | | Harold Erb | Bob Downey | DNA |
| 5.9.1955 | Preliminary Kansas City [BM+CM+DM+EM+FM] | 12 | #XKC 030 | Loyal Katskee | Loyal Katskee | 3rd |
| 5.9.1955 | Preliminary Kansas City [BM+CM+DM+EM+FM] | 37 | | McMullen | | 12th |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 181 | #XKC 023 | Jack Douglas | Jack Douglas | 11th |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 2 | #XKC 032 | M. R. J. Wyllie | Dr. M. R. J. Wyllie | 1st |
| 17.9.1955 | USAF Trophy Oulton Park | 58 | #XKC 038 | Dan Margulies | Dan Margulies | DNA |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 58 | #XKC 038 | Dan Margulies | Dan Margulies | DNA |
| 17.9.1955 | BRSCC/BRDC Silverstone [S+2.0] | 66 | #XKC 005 | John Barber | Mrs. Vickers | 5th |
| 17.9.1955 | GP Watkins Glen | 70 | #XKC 013 | Jack Crusoe | Jack Crusoe | DNA |
| 17.9.1955 | GP Watkins Glen | 147 | #XKC 023 | Jack Douglas | Jack Douglas | DNA |
| 24.9.1955 | BARC Goodwood [S3.5] | 40 | #XKC 021 | Dick Protheroe | | 4th |
| 24.9.1955 | BARC Goodwood [Handicap] | 40 | #XKC 021 | Dick Protheroe | | 1st |
| 24.9.1955 | BARC Goodwood [Ladies Handicap] | 57 | #XKC 005 | Rosemary Vickers | Mrs. A. D. N. Vickers | 4th |
| 25.9.1955 | SMRC Snetterton [Sports Handicap] | | | Archie Scott-Brown | | 3rd |
| 1.10.1955 | Castle Combe International | 9 | #XKC 021 | David Boston | David Boston | DNA |
| 1.10.1955 | Castle Combe International | 11 | | Dan Margulies | Dan Margulies | DNA |
| 1.10.1955 | Castle Combe International | 17 | | Louis Manduca | Louis Manduca | DNA |
| 1.10.1955 | Castle Combe International | 31 | #XKC 005 | Rosemary Vickers | Mrs. Vickers | raced |
| 1.10.1955 | SCCA Regional Salinas [Modified +1.5] | 100 | #XKC 017 | Ray Seher | | raced |
| 9.10.1955 | SCCA Regional Thompson [CM+UR] | 6 | #XKC 013 | Jack Crusoe | | 5th |
| 9.10.1955 | BRSCC Brands Hatch [S+1.9] | 34 | #XKC 005 | John Barber | Mrs. Vickers | 5th |
| 9.10.1955 | BRSCC Brands Hatch [S+1.9] | 37 | #XKC 049 | Archie Scott-Brown | L. Manduca | 1st |
| 9.10.1955 | SCCA Regional Thompson [CM+DM] | 99 | | Herb Hoefler | | 2nd |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 102 | | M. R. J. Wyllie | M. R. J. Wyllie | 12th |
| 22.10.1955 | 6 h Torrey Pines | 18 | | Carlyle Blackwell | Carlyle Blackwell | DNF |
| 22.10.1955 | 6 h Torrey Pines | 54 | #XKC 023 | Douglas / Pickford | Jack Douglas | DNF |
| 22.10.1955 | 6 h Torrey Pines | 70 | | Pete Woods | Bob Downey | 1st |
| 23.10.1955 | Torrey Pines [S+1.5] | 18 | | Carlyle Blackwell | Carlyle Blackwell | DNA |
| 23.10.1955 | Torrey Pines [S+1.5] | 54 | #XKC 023 | Bill Pickford | Jack Douglas | DNA |
| 23.10.1955 | Torrey Pines [S+1.5] | 70 | | Pete Woods | Bob Downey | DNA |
| 23.10.1955 | Torrey Pines [S+1.5] | 130 | | Harrison Evans | Harrison Evans | DNF |
| 30.10.1955 | SCCA National Sacramento [BM+CM+DM+EM] | 100 | #XKC 017 | Ray Seher | | 7th |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 18 | #XKC 033 | Tom Groskritz | Tom Groskritz, Jr. | DNA |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 54 | #XKC 023 | Jack Douglas | Jack Douglas | 18th |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 99 | #XKC 024 | Pete Woods | Pearce Woods | 5th |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 114 | | Bill Kinner | | 21st |
| 13.11.1955 | SCCA National Glendale [UR+FIII] | 114 | | Mel Allen | | ?th |
| 3.12.1955 | Preliminary Palm Springs [BM+CM] | 18 | | Carlyle Blackwell | | 11th |
| 3.12.1955 | Preliminary Palm Springs [BM+CM] | 202 | | Pete Woods | | 4th |
| 3.12.1955 | Preliminary Palm Springs [BM+CM] | 254 | #XKC 023 | Jack Douglas | | 10th |
| 4.12.1955 | Main Palm Springs [S+1.5] | 18 | | Carlyle Blackwell | | 10th |
| 4.12.1955 | Main Palm Springs [S+1.5] | 202 | | Pete Woods | | DNF |
| 4.12.1955 | Main Palm Springs [S+1.5] | 254 | #XKC 023 | Jack Douglas | | 11th |
| 9.12.1955 | Governor's Trophy | 36 | | Carl Haas | | 34th |
| 9.12.1955 | Nassau [Production +2.0] | 36 | | Carl Haas | | 7th |
| 11.12.1955 | Nassau Trophy | 36 | | Haas / McConnell | | 33rd |
| 26.12.1955 | BRSCC Brands Hatch [Sports] | 23 | | Max Trimble | | DNF |
| 26.12.1955 | BRSCC Brands Hatch [Sports] | 30 | #XKC 049 | Archie Scott-Brown | L. Manduca | 2nd |