The 2005–06 Toyota Racing Series was the second Toyota Racing Series season. It began on November 4, 2005 at Pukekohe and ended on Sunday, April 23, 2006, also at Pukekohe.
The following teams and drivers have competed during the 2005–06 Toyota Racing Series. All teams used Tatuus TT104ZZ chassis with Toyota engine.
| Team | Driver | ||
|---|---|---|---|
| Brent Collins Motorsport | 1 |  Brent Collins* | |
| Motorsport Solutions | 4 | Andrew Higgins | |
| Auto Motion | 5 | Marc Doran | |
| 40 | Mark Munro | ||
| Jayant Singh Motorsport | 6 | Jayant Singh | |
| Cobra Vehicle Security | 7 | Ben Harford | |
| Karcher Racing | 9 | Matthew Hamilton | |
| Ken Smith Racing | 11 | Ken Smith | |
| Victory Motorsport | 15 | Marc Williams | |
| 28 | Brendon Hartley | ||
| Lancer Racing | 18 | Andrew Reeves** | |
| Spurdle Motorsport | 76 | Duane Spurdle | |
| Kiwi American Racing | 20 | Daynom Templeman | |
| Mark Petch Motorsport | 22 |  Jay Howard** | |
 Steffen Møller* | |||
| 55 | Christina Orr | ||
| Mark Russ | 28 | Mark Russ** | |
| Team Meritus | 38 |  Hamad Al Fardan | |
| International Motorsport | 47 | Daniel Gaunt | |
| 48 | Dale Williams | ||
| 70 | Chris van der Drift* | ||
| Victory Motor Racing | 50 | Nelson Hartley* | |
| James Cressey | |||
| Shannon O'Brien* | |||
| Will Thomason** | |||
| ESWA Racing | 66 | Hamish Cross | |
| 84 | Ben Clucas* | ||
| Ben Crighton Racing | 87 | Ben Crighton | |
| Knight Motorsport | 97 | Andy Knight |
The 2005/2006 Toyota Racing Series featured four overseas drivers. Two British drivers (Jay Howard, Ben Clucas), Stefen Møller from Denmark and Hamad Al Fardan from Bahrain.
| Round | Date | Venue | Pole Position | Fastest Lap | Winning Driver | Winning Team | |
|---|---|---|---|---|---|---|---|
| 2005 | |||||||
| 1 | R1 | November 4–6 | Pukekohe Park Raceway, Pukekohe | Daniel Gaunt | Matthew Hamilton | Matthew Hamilton | Karcher Racing |
| R2 | Daniel Gaunt | Matthew Hamilton | Karcher Racing | ||||
| R3 | Daniel Gaunt | Daniel Gaunt | International Motorsport | ||||
| 2 | R1 | November 25–27 | Ruapuna Park, Christchurch | Matthew Hamilton | Marc Doran | Steffen Møller | Mark Petch Motorsport |
| R2 | Andy Knight | Steffen Møller | Mark Petch Motorsport | ||||
| R3 | Daniel Gaunt | Daniel Gaunt | International Motorsport | ||||
| 2006 | |||||||
| 3 | R1 | January 13–15 | Teretonga Park, Invercargill | Jay Howard | Jay Howard | Andy Knight | Knight Motorsport |
| R2 | Jay Howard | Jay Howard | Mark Petch Motorsport | ||||
| R3 | Andy Knight | Hamad Al Fardan | Team Meritus | ||||
| 4 | R1 | January 20–23 | Timaru Raceway, Timaru | Daniel Gaunt | Daniel Gaunt | Daniel Gaunt | International Motorsport |
| R2 | Ben Harford | Ben Harford | Cobra Vehicle Security | ||||
| R3 | Ben Harford | Ben Harford | Cobra Vehicle Security | ||||
| 5 | R1 | January 27–29 | Ruapuna Park, Christchurch | ||||
| R2 | |||||||
| R3 | |||||||
| 6 | R1 | February 17–19 | Manfeild Autocourse, Feilding | Daniel Gaunt | Daniel Gaunt | Daniel Gaunt | International Motorsport |
| R2 | Daniel Gaunt | Daniel Gaunt | International Motorsport | ||||
| R3 | Daniel Gaunt | Brendon Hartley | Victory Motorsport | ||||
| 7 | R1 | March 17–19 | Taupo Motorsport Park, Taupō | Daniel Gaunt | Daniel Gaunt | Andy Knight | Knight Motorsport |
| R2 | Daniel Gaunt | Daniel Gaunt | International Motorsport | ||||
| R3 | Ben Harford | Ben Harford | Cobra Vehicle Security | ||||
| 8 | R1 | April 21–23 | Pukekohe Park Raceway, Pukekohe | Daniel Gaunt | Daniel Gaunt | Daniel Gaunt | International Motorsport |
| R2 | Ben Clucas | Ben Clucas | ESWA Racing | ||||