2013 6 Hours of Circuit of the Americas
The 2013 6 Hours of Circuit of the Americas was an endurance auto race held at the Circuit of the Americas in Austin, Texas on 20–22 September 2013.
Qualifying
Qualifying result
Pole position winners in each class are marked in bold.| Pos | Class | Team | Average Time | Grid |
| 1 | LMP1 | No. 2 Audi Sport Team Joest | 1:48.355 | 1 |
| 2 | LMP1 | No. 1 Audi Sport Team Joest | 1:48.617 | 2 |
| 3 | LMP1 | No. 8 Toyota Racing | 1:49.696 | 3 |
| 4 | LMP1 | No. 12 Rebellion Racing | 1:52.081 | 4 |
| 5 | LMP2 | No. 26 G-Drive Racing | 1:54.951 | 5 |
| 6 | LMP2 | No. 24 OAK Racing | 1:55.961 | 6 |
| 7 | LMP2 | No. 35 OAK Racing | 1:56.033 | 7 |
| 8 | LMP2 | No. 49 Pecom Racing | 1:56.248 | 8 |
| 9 | LMP2 | No. 25 Delta-ADR | 1:57.067 | 9 |
| 10 | LMP2 | No. 31 Lotus | 1:57.817 | 10 |
| 11 | LMP2 | No. 41 Greaves Motorsport | 1:57.940 | 11 |
| 12 | LMP2 | No. 32 Lotus | 1:59.453 | 12 |
| 13 | LMGTE Pro | No. 99 Aston Martin Racing | 2:04.628 | 14 |
| 14 | LMGTE Pro | No. 91 Porsche AG Team Manthey | 2:04.898 | 15 |
| 15 | LMGTE Pro | No. 98 Aston Martin Racing | 2:04.919 | 16 |
| 16 | LMGTE Pro | No. 71 AF Corse | 2:05.073 | 17 |
| 17 | LMGTE Pro | No. 92 Porsche AG Team Manthey | 2:05.088 | 18 |
| 18 | LMGTE Pro | No. 97 Aston Martin Racing | 2:05.214 | 19 |
| 19 | LMGTE Pro | No. 51 AF Corse | 2:05.348 | 20 |
| 20 | LMGTE Am | No. 81 8 Star Motorsports | 2:06.515 | 21 |
| 21 | LMGTE Am | No. 95 Aston Martin Racing | 2:06.528 | 22 |
| 22 | LMGTE Am | No. 61 AF Corse | 2:06.593 | 23 |
| 23 | LMGTE Am | No. 96 Aston Martin Racing | 2:07.117 | 24 |
| 24 | LMGTE Am | No. 76 IMSA Performance Matmut | 2:07.120 | 25 |
| 25 | LMGTE Am | No. 88 Proton Competition | 2:07.931 | 26 |
| 26 | LMGTE Am | No. 50 Larbre Compétition | 2:08.132 | 27 |
| 27 | LMGTE Am | No. 57 Krohn Racing | 2:10.029 | 28 |
| 28 | LMP2 | No. 45 OAK Racing | 2:00.870 | 13 |
Race
Race result
Class winners in bold. Cars failing to complete 70% of winner's distance marked as Not Classified.| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
| Pos | Class | No | Team | Drivers | Engine | Tyre | Laps |
| 1 | LMP1 | 2 |  Audi Sport Team Joest |  Allan McNish Tom Kristensen Loïc Duval | Audi R18 e-tron quattro | 187 | |
| 1 | LMP1 | 2 | Audi Sport Team Joest | Allan McNish Tom Kristensen Loïc Duval | Audi TDI 3.7 L Turbo V6 | 187 | |
| 2 | LMP1 | 8 |  Toyota Racing | Anthony Davidson Sébastien Buemi Stéphane Sarrazin | Toyota TS030 Hybrid | 187 | |
| 2 | LMP1 | 8 | Toyota Racing | Anthony Davidson Sébastien Buemi Stéphane Sarrazin | Toyota 3.4 L V8 | 187 | |
| 3 | LMP1 | 1 | Audi Sport Team Joest | André Lotterer Marcel Fässler Benoît Tréluyer | Audi R18 e-tron quattro | 186 | |
| 3 | LMP1 | 1 | Audi Sport Team Joest | André Lotterer Marcel Fässler Benoît Tréluyer | Audi TDI 3.7 L Turbo V6 | 186 | |
| 4 | LMP1 | 12 | Rebellion Racing | Nicolas Prost Nick Heidfeld Mathias Beche | Lola B12/60 | 183 | |
| 4 | LMP1 | 12 | Rebellion Racing | Nicolas Prost Nick Heidfeld Mathias Beche | Toyota RV8KLM 3.4 L V8 | 183 | |
| 5 | LMP2 | 26 |  G-Drive Racing | Roman Rusinov John Martin Mike Conway | Oreca 03 | 178 | |
| 5 | LMP2 | 26 | G-Drive Racing | Roman Rusinov John Martin Mike Conway | Nissan VK45DE 4.5 L V8 | 178 | |
| 6 | LMP2 | 49 |  Pecom Racing | Luís Pérez Companc Pierre Kaffer Nicolas Minassian | Oreca 03 | 177 | |
| 6 | LMP2 | 49 | Pecom Racing | Luís Pérez Companc Pierre Kaffer Nicolas Minassian | Nissan VK45DE 4.5 L V8 | 177 | |
| 7 | LMP2 | 32 |  Lotus | Thomas Holzer Dominik Kraihamer Jan Charouz | Lotus T128 | 174 | |
| 7 | LMP2 | 32 | Lotus | Thomas Holzer Dominik Kraihamer Jan Charouz | Praga 3.6 L V8 | 174 | |
| 8 | LMP2 | 25 | Delta-ADR |  Tor Graves James Walker Rudy Junco | Oreca 03 | 173 | |
| 8 | LMP2 | 25 | Delta-ADR | Tor Graves James Walker Rudy Junco | Nissan VK45DE 4.5 L V8 | 173 | |
| 9 | LMP2 | 41 | Greaves Motorsport | Christian Zugel Chris Dyson Tom Kimber-Smith | Zytek Z11SN | 172 | |
| 9 | LMP2 | 41 | Greaves Motorsport | Christian Zugel Chris Dyson Tom Kimber-Smith | Nissan VK45DE 4.5 L V8 | 172 | |
| 10 | LMP2 | 24 | OAK Racing | Olivier Pla Alex Brundle David Heinemeier Hansson | Morgan LMP2 | 172 | |
| 10 | LMP2 | 24 | OAK Racing | Olivier Pla Alex Brundle David Heinemeier Hansson | Nissan VK45DE 4.5 L V8 | 172 | |
| 11 | LMP2 | 35 | OAK Racing |  Bertrand Baguette Martin Plowman Ricardo González | Morgan LMP2 | 170 | |
| 11 | LMP2 | 35 | OAK Racing | Bertrand Baguette Martin Plowman Ricardo González | Nissan VK45DE 4.5 L V8 | 170 | |
| 12 | LMGTE Pro | 99 | Aston Martin Racing |  Bruno Senna Frédéric Makowiecki | Aston Martin Vantage GTE | 167 | |
| 12 | LMGTE Pro | 99 | Aston Martin Racing | Bruno Senna Frédéric Makowiecki | Aston Martin 4.5 L V8 | 167 | |
| 13 | LMGTE Pro | 51 |  AF Corse | Gianmaria Bruni Giancarlo Fisichella | Ferrari 458 Italia GT2 | 167 | |
| 13 | LMGTE Pro | 51 | AF Corse | Gianmaria Bruni Giancarlo Fisichella | Ferrari 4.5 L V8 | 167 | |
| 14 | LMGTE Pro | 71 | AF Corse | Kamui Kobayashi Toni Vilander | Ferrari 458 Italia GT2 | 167 | |
| 14 | LMGTE Pro | 71 | AF Corse | Kamui Kobayashi Toni Vilander | Ferrari 4.5 L V8 | 167 | |
| 15 | LMGTE Pro | 92 | Porsche AG Team Manthey | Marc Lieb Richard Lietz | Porsche 911 RSR | 167 | |
| 15 | LMGTE Pro | 92 | Porsche AG Team Manthey | Marc Lieb Richard Lietz | Porsche 4.0 L Flat-6 | 167 | |
| 16 | LMGTE Am | 96 | Aston Martin Racing | Jamie Campbell-Walter Stuart Hall | Aston Martin Vantage GTE | 165 | |
| 16 | LMGTE Am | 96 | Aston Martin Racing | Jamie Campbell-Walter Stuart Hall | Aston Martin 4.5 L V8 | 165 | |
| 17 | LMGTE Am | 95 | Aston Martin Racing | Kristian Poulsen Christoffer Nygaard Nicki Thiim | Aston Martin Vantage GTE | 165 | |
| 17 | LMGTE Am | 95 | Aston Martin Racing | Kristian Poulsen Christoffer Nygaard Nicki Thiim | Aston Martin 4.5 L V8 | 165 | |
| 18 | LMGTE Am | 76 | IMSA Performance Matmut | Raymond Narac Jean-Karl Vernay | Porsche 997 GT3-RSR | 165 | |
| 18 | LMGTE Am | 76 | IMSA Performance Matmut | Raymond Narac Jean-Karl Vernay | Porsche 4.0 L Flat-6 | 165 | |
| 19 | LMGTE Am | 81 | 8 Star Motorsports |  Enzo Potolicchio Rui Águas Matteo Malucelli | Ferrari 458 Italia GT2 | 164 | |
| 19 | LMGTE Am | 81 | 8 Star Motorsports | Enzo Potolicchio Rui Águas Matteo Malucelli | Ferrari 4.5 L V8 | 164 | |
| 20 | LMGTE Pro | 91 | Porsche AG Team Manthey | Jörg Bergmeister Patrick Pilet | Porsche 911 RSR | 163 | |
| 20 | LMGTE Pro | 91 | Porsche AG Team Manthey | Jörg Bergmeister Patrick Pilet | Porsche 4.0 L Flat-6 | 163 | |
| 21 | LMGTE Am | 88 | Proton Competition | Christian Ried Gianluca Roda Paolo Ruberti | Porsche 997 GT3-RSR | 163 | |
| 21 | LMGTE Am | 88 | Proton Competition | Christian Ried Gianluca Roda Paolo Ruberti | Porsche 4.0 L Flat-6 | 163 | |
| 22 | LMGTE Am | 50 | Larbre Compétition | Julien Canal Patrick Bornhauser Fernando Rees | Chevrolet Corvette C6.R | 163 | |
| 22 | LMGTE Am | 50 | Larbre Compétition | Julien Canal Patrick Bornhauser Fernando Rees | Chevrolet 5.5 L V8 | 163 | |
| 23 | LMGTE Am | 61 | AF Corse |  Jack Gerber Matt Griffin Marco Cioci | Ferrari 458 Italia GT2 | 162 | |
| 23 | LMGTE Am | 61 | AF Corse | Jack Gerber Matt Griffin Marco Cioci | Ferrari 4.5 L V8 | 162 | |
| 24 | LMGTE Am | 57 | Krohn Racing | Tracy Krohn Niclas Jönsson Maurizio Mediani | Ferrari 458 Italia GT2 | 156 | |
| 24 | LMGTE Am | 57 | Krohn Racing | Tracy Krohn Niclas Jönsson Maurizio Mediani | Ferrari 4.5 L V8 | 156 | |
| 25 | LMP2 | 45 | OAK Racing | Jacques Nicolet Jean-Marc Merlin Erik Maris | Morgan LMP2 | 148 | |
| 25 | LMP2 | 45 | OAK Racing | Jacques Nicolet Jean-Marc Merlin Erik Maris | Nissan VK45DE 4.5 L V8 | 148 | |
| DNF | LMGTE Pro | 97 | Aston Martin Racing | Darren Turner Stefan Mücke Oliver Gavin | Aston Martin Vantage GTE | 118 | |
| DNF | LMGTE Pro | 97 | Aston Martin Racing | Darren Turner Stefan Mücke Oliver Gavin | Aston Martin 4.5 L V8 | 118 | |
| DNF | LMGTE Pro | 98 | Aston Martin Racing |  Paul Dalla Lana Pedro Lamy Richie Stanaway | Aston Martin Vantage GTE | 84 | |
| DNF | LMGTE Pro | 98 | Aston Martin Racing | Paul Dalla Lana Pedro Lamy Richie Stanaway | Aston Martin 4.5 L V8 | 84 | |
| DNS | LMP2 | 31 | Lotus | Kevin Weeda Vitantonio Liuzzi James Rossiter | Lotus T128 | – | |
| DNS | LMP2 | 31 | Lotus | Kevin Weeda Vitantonio Liuzzi James Rossiter | Praga 3.6 L V8 | – |