The 2005 New England Grand Prix was the fourth race for the 2005 American Le Mans Series season held at Lime Rock Park. It took place on July 4, 2005.
Class winners in bold. Cars failing to complete 70% of winner's distance marked as Not Classified (NC).
| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps | |
|---|---|---|---|---|---|---|---|---|
| Engine | ||||||||
| 1 | LMP1 | 1 |  ADT Champion Racing |  Marco Werner JJ Lehto | Audi R8 | 165 | ||
| Audi 3.6L Turbo V8 | ||||||||
| 2 | LMP1 | 2 | ADT Champion Racing | Frank Biela Emanuele Pirro | Audi R8 | 165 | ||
| Audi 3.6L Turbo V8 | ||||||||
| 3 | GT1 | 4 | Corvette Racing |  Oliver Gavin Olivier Beretta | Chevrolet Corvette C6.R | 159 | ||
| Chevrolet 7.0L V8 | ||||||||
| 4 | GT1 | 3 | Corvette Racing |  Ron Fellows Johnny O'Connell | Chevrolet Corvette C6.R | 157 | ||
| Chevrolet 7.0L V8 | ||||||||
| 5 | GT1 | 63 | ACEMCO Motorsports | Terry Borcheller Johnny Mowlem | Saleen S7-R | 156 | ||
| Ford 7.0L V8 | ||||||||
| 6 | GT1 | 35 | Maserati Corse Risi Competizione | Andrea Bertolini Fabio Babini | Maserati MC12 | 156 | ||
| Maserati 6.0L V12 | ||||||||
| 7 | GT1 | 5 | Pacific Coast Motorsports | Alex Figge Ryan Dalziel | Chevrolet Corvette C5-R | 155 | ||
| Chevrolet 7.0L V8 | ||||||||
| 8 | GT2 | 23 | Alex Job Racing | Timo Bernhard Romain Dumas | Porsche 911 GT3-RSR | 154 | ||
| Porsche 3.6L Flat-6 | ||||||||
| 9 | LMP2 | 10 | Miracle Motorsports | Jeff Bucknum Chris McMurry | Courage C65 | 154 | ||
| AER P07 2.0L Turbo I4 | ||||||||
| 10 | GT2 | 31 | Petersen Motorsports White Lightning Racing | Patrick Long Jörg Bergmeister | Porsche 911 GT3-RSR | 153 | ||
| Porsche 3.6L Flat-6 | ||||||||
| 11 | GT2 | 45 | Flying Lizard Motorsports | Johannes van Overbeek Jon Fogarty | Porsche 911 GT3-RSR | 152 | ||
| Porsche 3.6L FLat-6 | ||||||||
| 12 DNF | LMP1 | 16 | Dyson Racing | Butch Leitzinger James Weaver | MG-Lola EX257 | 151 | ||
| MG (AER) XP20 2.0L Turbo I4 | ||||||||
| 13 | GT2 | 24 | Alex Job Racing | Ian Baas Randy Pobst | Porsche 911 GT3-RSR | 151 | ||
| Porsche 3.6L Flat-6 | ||||||||
| 14 | GT2 | 79 | J3 Racing | Justin Jackson Tim Sugden | Porsche 911 GT3-RSR | 150 | ||
| Porsche 3.6L Flat-6 | ||||||||
| 15 | GT2 | 51 | Panoz Motor Sports | Bryan Sellers Marino Franchitti | Panoz Esperante GT-LM | 150 | ||
| Ford (Elan) 5.0L V8 | ||||||||
| 16 | LMP2 | 19 | Van der Steur Racing | Gunnar van der Steur Ben Devlin | Lola B2K/40 | 148 | ||
| AER (Nissan) 3.0L V6 | ||||||||
| 17 | GT2 | 44 | Flying Lizard Motorsports | Lonnie Pechnik Seth Neiman | Porsche 911 GT3-RSR | 148 | ||
| Porsche 3.6L Flat-6 | ||||||||
| 18 | GT2 | 50 | Panoz Motor Sports | Bill Auberlen Robin Liddell | Panoz Esperante GT-LM | 148 | ||
| Ford (Elan) 5.0L V8 | ||||||||
| 19 | GT2 | 43 | BAM | Mike Rockenfeller Wolf Henzler | Porsche 911 GT3-RSR | 141 | ||
| Porsche 3.6L Flat-6 | ||||||||
| 20 DNF | LMP1 | 20 | Dyson Racing | Chris Dyson Andy Wallace | MG-Lola EX257 | 121 | ||
| MG (AER) XP20 2.0L Turbo I4 | ||||||||
| 21 | LMP2 | 8 | B-K Motorsport | Guy Cosmo James Bach | Courage C65 | 114 | ||
| Mazda R20B 2.0L 3-Rotor | ||||||||
| 22 DNF | GT1 | 71 | Carsport America | Michele Rugolo Tom Wieckardt | Dodge Viper GTS-R | 11 | ||
| Dodge 8.0L V10 |