| 27.2.1955 | GP Agadir [S+2.0] | 4 | #XKC 402 | Duncan Hamilton | Duncan Hamilton | DNF |
| 27.2.1955 | SCCA National Fort Pierce [BM+CM+DM+EM+CP+DP] | 11 | | Phil Walters | Briggs Cunningham | DNS |
| 13.3.1955 | 12 h Sebring | 19 | #XKD 406 | Hawthorn / Walters | B. S. Cunningham | 1st |
| 13.3.1955 | GP Dakar | 32 | #XKC 402 | Duncan Hamilton | Duncan Hamilton | 3rd |
| 2.4.1955 | British Empire Trophy | 51 | #XKC 402 | Duncan Hamilton | Duncan Hamilton | 7th |
| 12.4.1955 | Goodwood Easter [S+2.0] | 72 | #XKC 402 | Duncan Hamilton | Duncan Hamilton | 3rd |
| 12.4.1955 | Goodwood Easter [S+2.0] | 73 | | Horace Gould | Goulds Garage | DNA |
| 17.4.1955 | Coupes de Paris | | #XKC 402 | Duncan Hamilton | Duncan Hamilton | 2nd |
| 7.5.1955 | Silverstone International | 1 | #XKC 404 | Mike Hawthorn | Jaguar Cars | 4th |
| 7.5.1955 | Silverstone International | 2 | #XKC 403 | Tony Rolt | Jaguar Cars | 3rd |
| 7.5.1955 | Silverstone International | 3 | #XKD 406 | Duncan Hamilton | Jaguar Cars | 5th |
| 7.5.1955 | Silverstone International | 4 | #XKD 501 | Jimmy Stewart | Ecurie Ecosse | DNS |
| 7.5.1955 | Silverstone International | 5 | #XKD 502 | Desmond Titterington | Ecurie Ecosse | 6th |
| 8.5.1955 | Eläintarhanajo | 1 | #XKC 402 | Michael Head | Duncan Hamilton | 1st |
| 13.5.1955 | Ulster Trophy | 1 | #XKD 502 | Desmond Titterington | Ecurie Ecosse | 1st |
| 29.5.1955 | Eifelrennen Nürburgring | 12 | #XKD 502 | Desmond Titterington | Ecurie Ecosse | DNS |
| 29.5.1955 | Eifelrennen Nürburgring | 14 | #XKD 501 | Jimmy Stewart | Ecurie Ecosse | DNS |
| 30.5.1955 | Whitsun Goodwood [Sports] | 55 | #XKC 402 | Duncan Hamilton | Duncan Hamilton | 1st |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 55 | #XKC 402 | Duncan Hamilton | Duncan Hamilton | 1st |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 56 | #XKC 403 | Bob Berry | Jack Broadhead | 2nd |
| 30.5.1955 | Whitsun Goodwood [Sports] | 56 | #XKC 403 | Bob Berry | Jack Broadhead | 2nd |
| 12.6.1955 | 24 h Le Mans | 6 | #XKD 505 | Hawthorn / Bueb | Jaguar Cars Ltd. | 1st |
| 12.6.1955 | 24 h Le Mans | 7 | #XKD 506 | Rolt / Hamilton | Jaguar Cars Ltd. | DNF |
| 12.6.1955 | 24 h Le Mans | 8 | #XKD 508 | Beauman / Dewis | Jaguar Cars Ltd. | DNF |
| 12.6.1955 | 24 h Le Mans | 9 | #XKD 507 | Walters / Spear | Briggs Cunningham | DNF |
| 12.6.1955 | 24 h Le Mans | 10 | #XKD 503 | Claes / Swaters | Ecurie Francorchamps | 3rd |
| 12.6.1955 | 24 h Le Mans | 67 | | Peignaux / "Mary" | Henri Peignaux | DNA |
| 12.6.1955 | 24 h Le Mans | T | #XKD 504 | Mike Hawthorn | Jaguar Cars Ltd. | T-car |
| 18.6.1955 | BARC Goodwood [S3.5] | 37 | #XKD 406 | Michael Head | | 2nd |
| 18.6.1955 | BARC Goodwood [Handicap] | 37 | #XKD 406 | Michael Head | | 5th |
| 26.6.1955 | GP Portugal | 2 | #XKC 402 | Duncan Hamilton | Duncan Hamilton | 3rd |
| 26.6.1955 | GP Portugal | 3 | #XKC 403 | Bob Berry | Jack Broadhead | 5th |
| 3.7.1955 | Milwaukee [BM+CM+DM+EM+CP+DP+EP] | 26 | #XKD 503 | Ernie Erickson | | DNA |
| 9.7.1955 | Leinster Trophy | | | Desmond Titterington | Ecurie Ecosse | 9th |
| 16.7.1955 | British GP | 9 | #XKD 506 | Mike Hawthorn | Jaguar Cars Ltd. | 5th |
| 16.7.1955 | British GP | 11 | | Duncan Hamilton | J. D. Hamilton | DNA |
| 16.7.1955 | British GP | 15 | #XKD 501 | Ninian Sanderson | Ec. Ecosse | 6th |
| 16.7.1955 | British GP | 17 | | Ninian Sanderson | Ec. Ecosse | DNA |
| 16.7.1955 | British GP | 19 | #XKC 403 | Bob Berry | Jack Broadhead | 7th |
| 24.7.1955 | Circuito de Lisboa | 6 | #XKC 402 | Duncan Hamilton | Duncan Hamilton | DNF |
| 6.8.1955 | Charterhall International [Sports] | 82 | #XKD 501 | Desmond Titterington | Ecurie Ecosse | 1st |
| 6.8.1955 | Charterhall International [Invitation Race] | 82 | #XKD 501 | Desmond Titterington | Ecurie Ecosse | 2nd |
| 6.8.1955 | Charterhall International [Invitation Race] | 83 | #XKD 502 | Ninian Sanderson | Ecurie Ecosse | raced |
| 6.8.1955 | Charterhall International [Sports] | 83 | #XKD 502 | Ninian Sanderson | Ecurie Ecosse | 4th |
| 7.8.1955 | GP Sverige | 5 | #XKD 406 | Michael Head | Duncan Hamilton | 6th |
| 13.8.1955 | Snetterton International [Formula Libre] | 110 | #XKD 501 | Desmond Titterington | Ecurie Ecosse | 3rd |
| 14.8.1955 | Snetterton International [S+1.5] | 109 | #XKD 502 | Ninian Sanderson | Ecurie Ecosse | 2nd |
| 14.8.1955 | Snetterton International [S+1.5] | 110 | #XKD 501 | Desmond Titterington | Ecurie Ecosse | 1st |
| 20.8.1955 | 9 h Goodwood | 9 | #XKC 404 | Hamilton / Rolt | J. Duncan Hamilton | DNF |
| 20.8.1955 | 9 h Goodwood | 10 | #XKC 402? | Head / Whitehead | J. Duncan Hamilton | DNF |
| 20.8.1955 | 9 h Goodwood | 11 | #XKD 501 | Titterington / Sanderson | Ecurie Ecosse | 2nd |
| 20.8.1955 | 9 h Goodwood | 12 | #XKC 403 | Berry / Dewis | J. C. Broadhead | 5th |
| 27.8.1955 | ADMC Crimond [Formula Libre] | 22 | #XKD 501 | Ninian Sanderson | Ecurie Ecosse | 1st |
| 27.8.1955 | ADMC Crimond [Sports] | 22 | #XKD 501 | Ninian Sanderson | Ecurie Ecosse | 1st |
| 27.8.1955 | ADMC Crimond [Formula Libre] | 23 | #XKD 502 | Bill Smith | Ecurie Ecosse | 3rd |
| 27.8.1955 | ADMC Crimond [Sports] | 23 | #XKD 502 | Bill Smith | Ecurie Ecosse | 3rd |
| 27.8.1955 | Oulton Park International | 62 | #XKC 403 | Bob Berry | J. C. Broadhead | 5th |
| 27.8.1955 | Oulton Park International | | #XKD 530 | Curt Lincoln | Curt Lincoln | DNA |
| 3.9.1955 | Aintree International | 76 | #XKD 501 | Desmond Titterington | Ecurie Ecosse | 2nd |
| 3.9.1955 | Aintree International | 77 | #XKD 502 | Ninian Sanderson | Ecurie Ecosse | 1st |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 27 | #XKD 503 | Ernie Erickson | Ernie Erickson | 3rd |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 60 | #XKD 507 | Sherwood Johnston | Briggs Cunningham | 2nd |
| 17.9.1955 | National Silverstone [Formula Libre] | 60 | | Duncan Hamilton | D. Hamilton | 6th |
| 17.9.1955 | GP Watkins Glen | 60 | #XKD 507 | Sherwood Johnston | Briggs S. Cunningham | 1st |
| 17.9.1955 | National Silverstone [S+2.0] | 60 | | Duncan Hamilton | D. Hamilton | 1st |
| 17.9.1955 | National Silverstone [Formula Libre] | 61 | | Michael Head | D. Hamilton | 8th |
| 17.9.1955 | National Silverstone [S+2.0] | 61 | | Michael Head | D. Hamilton | 2nd |
| 17.9.1955 | GP Watkins Glen | 159 | | Peter Templar | Ecurie Tortue | DNA |
| 18.9.1955 | Tourist Trophy | 1 | #XKD 506 | Hawthorn / Titterington | Jaguar Cars Ltd. | DNF |
| 18.9.1955 | Tourist Trophy | 2 | #XKC 403 | Berry / Sanderson | Jack Broadhead | DNF |
| 18.9.1955 | Tourist Trophy | T | #XKD 505 | Mike Hawthorn | Jaguar Cars Ltd. | T-car |
| 24.9.1955 | BARC Goodwood [S3.5] | 38 | #XKD 406 | Michael Head | | 2nd |
| 24.9.1955 | BARC Goodwood [Handicap] | 38 | #XKD 406 | Michael Head | | 4th |
| 24.9.1955 | BARC Goodwood [S3.5] | 39 | #XKD 511 | Ian Baillie | | 6th |
| 25.9.1955 | SMRC Snetterton [Sports Unlimited] | | | Duncan Hamilton | | 1st |
| 25.9.1955 | SMRC Snetterton [Sports Unlimited] | | #XKD 406? | George Abecassis | | 2nd |
| 1.10.1955 | Castle Combe International | 1 | | Duncan Hamilton | D. Hamilton | DNF |
| 1.10.1955 | Castle Combe International | 3 | | Michael Head | D. Hamilton | DNF |
| 8.10.1955 | National Silverstone [Handicap] | 83 | #XKD 517 | Alex McMillan | | 2nd |
| 8.10.1955 | National Silverstone [Formula Libre] | 83 | #XKD 517 | Alex McMillan | | 1st |
| 8.10.1955 | National Silverstone [Racing Handicap] | 83 | #XKD 517 | Alex McMillan | | 1st |
| 8.10.1955 | National Silverstone [Sports Unlimited] | 83 | #XKD 517 | Alex McMillan | | 1st |
| 9.10.1955 | SCCA Regional Thompson [CM+UR] | 32 | #XKD 523 | Walter Huggler | Walter Huggler | 10th |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 60 | #XKD 507 | Sherwood Johnston | Briggs S. Cunningham | 1st |
| 3.12.1955 | Preliminary Palm Springs [BM+CM] | 63 | #XKD 522 | Ignacio Lozano | Charles Hornburg | 9th |
| 4.12.1955 | Main Palm Springs [S+1.5] | 63 | #XKD 522 | Carroll Shelby | Charles Hornburg | DNF |
| 9.12.1955 | Nassau [Production +2.0] | 25 | #XKD 507 | Sherwood Johnston | B. S. Cunnigham | 1st |
| 9.12.1955 | Governor's Trophy | 25 | #XKD 507 | Sherwood Johnston | B. S. Cunnigham | 3rd |
| 9.12.1955 | Nassau [Production +2.0] | 27 | #XKD 503 | Ernie Erickson | Ernest C. Erickson | 3rd |
| 9.12.1955 | Nassau [Production +2.0] | 58 | #XKD 516 | Charles Wallace | Jack Rutherford | 2nd |