Sonoma (1968-1997) lap times

Rank Vehicle Driver Time PS / KG
1. Nissan GTP ZX-Turbo Geoff Brabham 1:23.14 800 / 942
2. Jaguar XJR-10 Jan Lammers 1:23.45 659 / 953
3. Jaguar XJR-9 Martin Brundle 1:24.03 760 / 881
4. Nissan GTP ZX-Turbo Chip Robinson 1:24.25 800 / 942
5. Porsche 962/89 Jochen Mass 1:24.31 811 / 800
6. Ferrari 333 SP Antônio Hermann 1:24.34 659 / 884
7. Eagle HF89 Willy T. Ribbs 1:24.35 690 / 900
8. Jaguar XJR-9 Davy Jones 1:24.38 760 / 881
9. Porsche 962/89 John Andretti 1:24.50 811 / 800
10. Jaguar XJR-9 Jan Lammers 1:24.57 760 / 881
11. SE88P Ferrari Bob Earl 1:24.59 - / -
12. SE89P Ferrari Costas Los 1:24.82 558 / 780
13. SE89P Chevrolet Jim Miller 1:24.86 710 / 750
14. Porsche 962/89 Bob Wollek 1:24.91 811 / 800
15. Porsche 962 C GTI Price Cobb 1:25.00 801 / 820
16. Ferrari 333 SP Fermin Velez 1:25.12 659 / 884
17. Porsche 962/85 Bob Wollek 1:25.21 730 / 820
18. Nissan GTP ZX-Turbo John Morton 1:25.41 800 / 942
19. Porsche 962/88 Bob Wollek 1:25.49 750 / 848
20. Chevrolet Corvette IMSA GTP Sarel van der Merwe 1:25.60 912 / 880
21. Riley & Scott MK III Ford James Weaver 1:25.62 537 / 960
22. Ferrari 333 SP Didier Theys 1:25.62 659 / 884
23. Porsche 962/87 Chip Robinson 1:25.63 705 / 889
24. Riley & Scott MK III Ford Butch Leitzinger 1:25.63 537 / 960
25. Riley & Scott MK III Ford Elliot Forbes-Robinson 1:25.67 537 / 960
26. Porsche 962/88 Derek Bell 1:25.79 750 / 848
27. Ferrari 333 SP Gianpiero Moretti 1:26.06 659 / 884
28. Porsche 962/89 Gianpiero Moretti 1:26.07 811 / 800
29. MK III Oldsmobile Wayne Taylor 1:26.10 507 / 982
30. Porsche 962/88 John Hotchkis 1:26.24 750 / 848
31. Porsche 962/85 Derek Bell 1:26.25 730 / 820
32. Porsche 962/87 Jochen Mass 1:26.30 705 / 889
33. Ford Mustang-Probe GTP Ruggero Melgrati 1:26.45 608 / 803
34. Porsche 962/85 Drake Olson 1:26.63 730 / 820
35. Ferrari 333 SP Mauro Baldi 1:26.68 659 / 884
36. Hawk C8 Henry Camferdam 1:27.03 680 / 900
37. Riley & Scott MK III Chevrolet Ross Bentley 1:27.22 568 / 980
38. Porsche 962/88 Doc Bundy 1:27.26 750 / 848
39. Riley & Scott MK III Ford Craig T. Nelson 1:27.52 537 / 960
40. Ferrari 333 SP Eliseo Salazar 1:27.65 659 / 884
41. Ferrari 333 SP Andy Evans 1:27.67 659 / 884
42. Porsche 962/87 Price Cobb 1:27.70 705 / 889
43. Ferrari 333 SP Wayne Taylor 1:27.79 659 / 884
44. MK III Oldsmobile Jim Pace 1:27.84 507 / 982
45. Ford Mustang-Probe GTP Doc Bundy 1:28.09 608 / 803
46. Porsche 962/88 Bruce Leven 1:28.18 750 / 848
47. Porsche 962/85 Pete Halsmer 1:28.38 730 / 820
48. Toyota 88C Juan-Manuel Fangio II 1:28.39 689 / 870
49. Ford Mustang-Probe GTP Tom Pumpelly 1:28.55 608 / 803
50. Spice Engineering SE88P Buick Mike Brockman 1:28.60 375 / 715
51. Porsche 962/89 Bruce Canepa 1:28.66 811 / 800
52. MK III Oldsmobile Ross Bentley 1:28.82 507 / 982
53. MK III Oldsmobile Lee Payne 1:28.84 507 / 982
54. BMW GTP Steve Phillips 1:29.02 1419 / 908
55. Spice Engineering BDG-02 Jim Pace 1:29.27 740 / 675
56. Porsche 962/85 Jim Busby 1:29.33 730 / 820
57. Porsche 962/88 Scott Pruett 1:29.40 750 / 848
58. SC95 Oldsmobile Jon Field 1:29.56 710 / 627
59. Porsche 962/85 Bob Akin 1:29.82 730 / 820
60. SE86C Cosworth Dan Marvin 1:30.47 608 / 900
61. Porsche 962/89 Rene Herzog 1:30.51 811 / 800
62. Spice Engineering SE88P Buick Linda Ludemann 1:30.67 375 / 715
63. Spice Engineering BDG-02 Dan Clark 1:30.85 740 / 675
64. Kudzu DG1 Jim Downing 1:31.27 335 / 675
65. March BMW M1C Chevrolet Joe Varde 1:31.35 710 / 900
66. SE88P Ferrari Costas Los 1:31.55 - / -
67. Panoz Esperante GTR-1 LM Doc Bundy 1:31.64 608 / 950
68. Spice Engineering SE88P Buick Scott Schubot 1:31.82 375 / 715
69. Rondeau M382 Skeeter McKitterick 1:31.90 629 / 1050
70. Kudzu DL4 Chevrolet (DLM4) Jim Downing 1:31.95 659 / 675
71. SE88P Ferrari Charles Morgan 1:32.08 - / -
72. Kremer K4 John Fitzpatrick 1:32.39 912 / 950
73. Courage C41 Chevrolet Scott Schubot 1:32.69 568 / 900
74. SE86C Cosworth Frank Everett 1:32.90 608 / 900
75. Hawk C8 Roger Mandeville 1:33.06 680 / 900
76. Chevrolet Corvette RC-2 IMSA Rich Sloma 1:33.11 1014 / 907
77. Oldsmobile Cutlass IMSA GTS-1 Darin Brassfield 1:33.18 608 / 1125
78. Kudzu DG2 Cort Wagner 1:33.19 406 / 675
79. SE87L Ferrari Skeeter McKitterick 1:33.21 570 / 800
80. SE87L Ferrari Tom Hessert 1:33.27 570 / 800
81. SE86C Cosworth David Rocha 1:33.41 608 / 900
82. Lola T600 Chevrolet Danny Ongais 1:33.51 629 / 1020
83. Chevron GTP Buick Brent Regan 1:33.65 634 / 760
84. BMW M1 Turbo Chuck Kendall 1:33.68 850 / 1069
85. Merkur XR4Ti IMSA GTO Pete Halsmer 1:33.69 608 / 1171
86. Chevrolet Camaro IMSA GTS-1 Stu Hayner 1:33.70 811 / 1000
87. Tiga GT285 Ron Nelson 1:33.77 466 / 798
88. Nissan 300ZX Turbo IMSA GTO Johnny O'Connell 1:33.91 - / 1181
89. Oldsmobile Cutlass IMSA GTS-1 Irv Hoerr 1:34.00 608 / 1125
90. SE87L Ferrari Jeff Kline 1:34.05 570 / 800
91. SE87L Ferrari Hendrik ten Cate 1:34.18 570 / 800
92. Kudzu DL4 Chevrolet (DLM4) Tom Volk 1:34.25 659 / 675
93. Oldsmobile Aurora IMSA GTS-1 Darin Brassfield 1:34.27 659 / 1280
94. Oldsmobile Aurora IMSA GTS-1 Gregg Pickett 1:34.36 659 / 1280
95. Bennett Special Rod Bennett 1:34.39 558 / 900
96. SE87L Ferrari Don Bell 1:34.46 570 / 800
97. Chevrolet Corvette IMSA GTO Wally Dallenbach, Jr. 1:34.58 710 / 1135
98. Chevrolet Corvette IMSA GTO Greg Pickett 1:34.73 710 / 1135
99. Oldsmobile Cutlass IMSA GTS-1 Charles Morgan 1:34.84 608 / 1125
100. Mustang Cobra Roush IMSA GTS-1 Jason Priestley 1:34.88 760 / 1179
101. Kudzu DG2 Shane Lewis 1:34.88 406 / 675
102. Toyota Celica IMSA GTO Dennis Aase 1:34.90 456 / 957
103. Argo JM16 Jim Downing 1:35.00 450 / 750
104. Toyota Celica IMSA GTO Willy T. Ribbs 1:35.03 456 / 957
105. Alba AR9 Stefano Ferrari 1:35.15 654 / 877
106. Corvette Roadster IMSA Larry Park 1:35.20 862 / 1134
107. Nissan 300ZX Turbo IMSA GTO Doug Barnhold 1:35.35 - / 1181
108. Chevrolet Camaro IROC IMSA GTO Willy T. Ribbs 1:35.38 669 / 907
109. Magnum SC205 John Jones 1:35.39 532 / 868
110. Chevrolet Camaro IROC IMSA GTO Nelson Silcox 1:35.44 593 / 1350
111. Oldsmobile Cutlass IMSA GTS-1 Boris Said 1:35.59 608 / 1125
112. Mercury Capri Roush IMSA Scott Pruett 1:35.60 659 / 907
113. Tiga GT288 Ferdinand de Lesseps 1:35.63 608 / 788
114. Tiga GT288 David Loring 1:35.65 608 / 788
115. Porsche 911 GT2-R (993) Hans-Joachim Stuck 1:35.74 456 / 1110
116. Hawk MD3R Roger Mandeville 1:35.96 560 / 675
117. Chevron B71 (Keiler K2) David Kopf 1:36.15 620 / 1000
118. Chevrolet Camaro IROC IMSA GTO Wally Dallenbach, Jr. 1:36.23 669 / 907
119. Argo JM20 (Chevrolet) Jeff Jones 1:36.26 507 / 850
120. Merkur XR4Ti IMSA GTO Scott Pruett 1:36.29 608 / 1171
121. Ford Mustang Roush IMSA GTO Tico Almeida 1:36.34 659 / 862
122. Porsche 911 GT2-R Evo (993) Han-Joachim Stuck 1:36.36 492 / 1100
123. Alba AR4 Jeff Kline 1:36.59 485 / 715
124. SE87L Ferrari Jim Rothbarth 1:36.62 570 / 800
125. Chevrolet Camaro IROC IMSA GTO Les Lindley 1:36.76 669 / 907
126. Audi 90 Quattro IMSA GTO Walter Röhrl 1:36.76 721 / 1207
127. Porsche 944 Turbo IMSA GTU Elliot Forbes-Robinson 1:36.89 583 / 900
128. Merkur XR4Ti IMSA GTO Chris Kneifel 1:36.92 608 / 1171
129. Chevrolet Corvette IMSA GTO Darin Brassfield 1:36.97 710 / 1135
130. Alba AR4 Dean Hall 1:37.01 485 / 715
131. Audi 90 Quattro IMSA GTO Hurley Haywood 1:37.19 721 / 1207
132. Kudzu DG2 Mike Borkowski 1:37.25 406 / 675
133. Porsche 911 GT2-R Evo (993) Jochen Rohr 1:37.26 492 / 1100
134. BMW M3 GTR (E36) Bill Auberlen 1:37.27 355 / 1111
135. Chevrolet Camaro IROC IMSA GTO Jim Derhaag 1:37.42 669 / 907
136. BMW M3 GTR (E36) Derek Hill 1:37.44 355 / 1111
137. Mazda RX-7 IMSA GTU (FC) Roger Mandeville 1:37.55 350 / 950
138. Pantera GT4K IMSA GTO Vic Manuelli 1:37.57 532 / 1202
139. Corvette Roadster IMSA Gary Carlen 1:37.63 862 / 1134
140. Oldsmobile Cutlass IMSA GTS-1 Mike Ciasulli 1:37.63 608 / 1125
141. Chevrolet Camaro IMSA GTS-1 Scott Killips 1:37.72 811 / 1000
142. Buick Somerset Regal IMSA GTO Elliot Forbes-Robinson 1:37.76 514 / 1225
143. Mercury Capri Roush IMSA Tom Gloy 1:37.78 659 / 907
144. Chevrolet Camaro IROC IMSA GTO Greg Pickett 1:37.78 669 / 907
145. BMW 320 Turbo (Group 5) David Hobbs 1:37.87 608 / 880
146. Porsche 911 GT2-R (993) Franz Konrad 1:37.92 456 / 1110
147. Porsche 924 Carrera GTP Paul Miller 1:37.96 320 / 930
148. Tiga GT286 Tom Hessert 1:37.97 314 / 800
149. Mercury Capri Roush IMSA Willy T. Ribbs 1:38.08 659 / 907
150. Chevrolet Camaro IROC IMSA GTO Jim Miller 1:38.12 669 / 907
151. SE87L Ferrari Michael Dow 1:38.14 570 / 800
152. Chevrolet Corvette IMSA GTO Larry Park 1:38.15 710 / 1135
153. Mercury Capri Roush IMSA Chris Kneifel 1:38.16 659 / 907
154. Mercury Capri Roush IMSA Wally Dallenbach, Jr. 1:38.20 659 / 907
155. Chevrolet Beretta IMSA GTO Tom Kendall 1:38.20 522 / 1247
156. 911 Carrera Cup RSR 3.8 David Murry 1:38.20 450 / 1256
157. Spice Engineering HC94 Don Bell 1:38.21 690 / 700
158. Pontiac Firebird IMSA GTO Jim Derhaag 1:38.25 760 / 907
159. Pontiac Firebird IMSA GTO Chris Kneifel 1:38.32 760 / 907
160. BMW M3 GTR (E36) Matthew Cohen 1:38.53 355 / 1111
161. Porsche 911 GT2-R (993) Dennis Aase 1:38.53 456 / 1110
162. Daytona Shelby Z IMSA GTU Dorsey Schroeder 1:38.57 529 / 876
163. Pontiac Firebird IMSA GTO Mike Downs 1:38.62 760 / 907
164. Ford Mustang IMSA GTX Turbo Klaus Ludwig 1:38.68 537 / 898
165. Chevrolet Beretta IMSA GTO Max Jones 1:38.77 522 / 1247
166. Buick Somerset Regal IMSA GTO Tommy Riggins 1:38.77 514 / 1225
167. Datsun 280ZX Turbo IMSA GTX Frank Leary 1:38.80 916 / 1167
168. Chevrolet Camaro IROC IMSA GTO Jerry Brassfield 1:38.84 669 / 907
169. BMW M3 GTR (E36) Dieter Quester 1:38.94 355 / 1111
170. 911 Carrera Cup RSR 3.8 Jim Matthews 1:38.96 450 / 1256
171. BMW M3 GTR (E36) Pete Halsmer 1:39.05 355 / 1111
172. Mustang Cobra Roush IMSA GTS-1 Steve Romak 1:39.05 760 / 1179
173. Mercury Capri Roush IMSA Bruce Jenner 1:39.08 659 / 907
174. Tiga GC287 (GT287) Albert Rocca 1:39.12 385 / 800
175. 911 Carrera Cup RSR 3.8 Kevin Buckler 1:39.14 450 / 1256
176. Porsche 911 GT2-R (993) Kevin Buckler 1:39.19 456 / 1110
177. Pontiac Firebird IMSA GTO Bob Sobey 1:39.28 760 / 907
178. Chevrolet Camaro IROC IMSA GTO Steven Petty 1:39.28 669 / 907
179. Pontiac Grand Prix IMSA Ray Kong 1:39.37 735 / 1280
180. Oldsmobile Cutlass IMSA GTS-1 Paul Gentilozzi 1:39.50 608 / 1125
181. Chevrolet Corvette IMSA GTO Jerry Brassfield 1:39.51 710 / 1135
182. Buick Somerset Regal IMSA GTO John Schneider 1:39.53 514 / 1225
183. Oldsmobile Cutlass IMSA GTS-1 Rob Morgan 1:39.55 608 / 1125
184. Porsche 911 GT2-R (993) Dirk Layer 1:39.56 456 / 1110
185. Merkur XR4Ti IMSA GTO Lyn St. James 1:39.61 608 / 1171
186. Porsche 911 Carrera RSR 3.0 Al Thomas 1:39.63 335 / 946
187. Chevrolet Beretta IMSA GTO R. K. Smith 1:39.77 522 / 1247
188. Mustang Cobra Roush IMSA GTS-1 Eduardo Dibos 1:39.79 760 / 1179
189. Porsche 911 GT2-R (993) John O'Steen 1:39.81 456 / 1110
190. Mercury Capri Roush IMSA Jim Miller 1:39.88 659 / 907
191. Porsche 944 Turbo IMSA GTU Bruce Jenner 1:39.91 583 / 900
192. Chevrolet Camaro IROC IMSA GTO Walter Benson 1:39.92 593 / 1350
193. Lola T600 Chevrolet Ted Field 1:40.01 629 / 1020
194. Porsche 935/77 Bill Whittington 1:40.09 - / 1050
195. Chevrolet Camaro IROC IMSA GTO Mark Pielsticker 1:40.22 669 / 907
196. Mercury Capri Roush IMSA Casey Mollett 1:40.25 659 / 907
197. Nissan 300ZX Turbo IMSA GTO Paul Newman 1:40.25 689 / 1179
198. Mercury Capri Roush IMSA Mike Miller 1:40.28 659 / 907
199. Pontiac Firebird IMSA GTO Bill Doyle 1:40.29 760 / 907
200. Chevrolet Camaro IROC IMSA GTO Steve Barber 1:40.30 669 / 907
201. 911 Carrera Cup RSR 3.8 Chris Cervelli 1:40.31 450 / 1256
202. Corvette Greenwood IMSA Pat Usher 1:40.31 710 / 1352
203. Porsche 935 JLP-3 John Paul, Jr. 1:40.35 760 / 914
204. Merkur XR4Ti IMSA GTO Mike Miller 1:40.43 608 / 1171
205. Pontiac Firebird IMSA GTO Rob McFarlin 1:40.55 760 / 907
206. Merkur XR4Ti IMSA GTO Deborah Gregg 1:40.66 608 / 1171
207. Chevrolet Corvette IMSA GTO Rich Sloma 1:40.68 710 / 1135
208. Pontiac Firebird IMSA GTO Bruce Jenner 1:40.69 760 / 907
209. Ford Mustang IMSA GTX Turbo Rick Mears 1:40.72 537 / 898
210. Chevrolet Corvette IMSA GTO Frank Emmett 1:40.73 710 / 1135
211. Mazda RX-7 IMSA GTU (FC) Amos Johnson 1:40.78 350 / 950
212. 911 ME Bi-Turbo S LM GT1 Tom Hessert 1:40.79 642 / 1000
213. Ford Thunderbird IMSA (NASCAR) Danny May 1:40.79 550 / 1270
214. Ford Thunderbird IMSA (NASCAR) Jimmy Insolo 1:40.90 550 / 1270
215. BMW M3 GTR (E36) Boris Said 1:40.90 355 / 1111
216. Mazda RX-7 IMSA GTU (FC) Yoshimi Katayama 1:40.93 350 / 950
217. Chevrolet Corvette IMSA GTO Ken Yeo 1:41.12 710 / 1135
218. Mazda RX-7 IMSA GTU (FC) P. J. Jones 1:41.21 350 / 950
219. Mazda RX-7 IMSA GTU (FC) Al Bacon 1:41.39 350 / 950
220. Chevrolet Camaro IROC IMSA GTO Andy Porterfield 1:41.50 669 / 907
221. Pontiac Firebird IMSA GTO Ken Murray 1:41.50 760 / 907
222. 911 Carrera Cup RSR 3.8 Jack Lewis 1:41.53 450 / 1256
223. Porsche 924 Carrera GTP John Schneider 1:41.59 320 / 930
224. Pontiac Firebird IMSA GTO Terry Hunt 1:41.59 760 / 907
225. 911 Carrera Cup RSR 3.8 Jim Gurney 1:41.59 450 / 1256
226. Chevrolet Corvette IMSA GTO Rick Ware 1:41.61 710 / 1135
227. Nissan 300ZX Turbo IMSA GTO Bob Leitzinger 1:41.68 - / 1181
228. Pontiac Firebird IMSA GTO Frank Emmett 1:41.72 760 / 907
229. Pontiac Firebird IMSA GTO Pete Brallier 1:41.72 760 / 907
230. Chevrolet Monte Carlo IMSA Rudy Revak 1:41.76 735 / 1542
231. Daytona Shelby Z IMSA GTU Kal Showket 1:41.82 529 / 876
232. Chevrolet Corvette IMSA GTO Bob Patch 1:41.86 710 / 1135
233. Argo JM19 (Mazda) Hiro Matsushita 1:41.93 330 / 700
234. Chevrolet Camaro IROC IMSA GTO Pancho Weaver 1:42.11 669 / 907
235. Chevrolet Camaro IROC IMSA GTO Jerry Miller 1:42.16 669 / 907
236. Porsche 911 GT2-R (993) Andy Pilgrim 1:42.30 456 / 1110
237. Ford Thunderbird IMSA (NASCAR) John Young 1:42.31 550 / 1270
238. Chevrolet Cannibal Chris Ronson 1:42.50 601 / 1107
239. Porsche 911 GT2-R (993) Mark Mehalic 1:42.50 456 / 1110
240. Pontiac Fiero IMSA GTU Bart Kendall 1:42.53 398 / 905
241. Porsche 911 Carrera IMSA GTO Karl Durkheimer 1:42.65 660 / 900
242. 911 Carrera Cup RSR 3.8 Larry Schumacher 1:42.71 450 / 1256
243. Chevrolet Camaro IROC IMSA GTO Ron Esau 1:42.77 669 / 907
244. Chevrolet Camaro IROC IMSA GTO Troy Beebe 1:42.82 669 / 907
245. Nissan 240SX IMSA GTU John Goddard 1:42.88 345 / 975
246. Chevrolet Camaro IROC IMSA GTO Mark Buden 1:42.91 669 / 907
247. 911 Carrera Cup RSR 3.8 Jeff Gamroth 1:42.95 450 / 1256
248. Porsche 911 Carrera RSR 3.0 Bob Copeman 1:43.06 335 / 946
249. Buick Somerset Regal IMSA GTO Chris Gleason 1:43.10 514 / 1225
250. Mazda RX-7 IMSA GTU (FB) Jim Downing 1:43.19 - / 1098
251. Chevrolet Corvette IMSA GTO Rick Stark 1:43.21 710 / 1135
252. Datsun 280ZX IMSA GTU Casey Mollett 1:43.27 710 / 925
253. Chevrolet Camaro IROC IMSA GTO Bob Brewer 1:43.31 669 / 907
254. 911 Carrera Cup RSR 3.8 Tim Moser 1:43.34 450 / 1256
255. Chevrolet Camaro IROC IMSA GTO John Brandt 1:43.37 669 / 907
256. Porsche 911 Carrera RSR 3.0 Larry Chmura 1:43.43 335 / 946
257. Porsche 911 Carrera RSR 3.0 Greg LaCava 1:43.48 335 / 946
258. Chevrolet Camaro IROC IMSA GTO Dan Croft 1:43.48 669 / 907
259. Porsche 911 Carrera RSR 3.0 John Johnson 1:43.48 335 / 946
260. Pontiac Fiero IMSA GTU George Robinson 1:43.51 398 / 905
261. Chevrolet Camaro IROC IMSA GTO Bill Schmitt 1:43.70 669 / 907
262. Oldsmobile Cutlass IMSA GTS-1 Jerry Clinton 1:43.73 608 / 1125
263. EB110 SS Sport Competizione LM Gildo Pallanca-Pastor 1:43.79 608 / 1280
264. Datsun 280ZX IMSA GTU Frank Honsowetz 1:43.82 710 / 925
265. Nissan 240SX IMSA GTU Sal Versaggi 1:43.92 345 / 975
266. Porsche 911 IMSA GTU (Carrera) Jon Longmire 1:43.93 - / 953
267. Datsun 280ZX Turbo IMSA GTX Don Devendorf 1:43.96 916 / 1167
268. Argo P BMW Mark Montgomery 1:43.98 650 / 700
269. Porsche 924 Carrera GTP Bob Hagestad 1:44.02 320 / 930
270. Porsche 911 GT2-R (993) Philip Collin 1:44.11 456 / 1110
271. Porsche 911 Carrera RSR 3.8 Cort Wagner 1:44.21 375 / 1212
272. Pontiac Grand Prix IMSA Nelson Richardson 1:44.47 735 / 1280
273. Datsun 510 IMSA GTU Bill Free 1:44.47 177 / 899
274. Mercury Capri Roush IMSA Deborah Gregg 1:44.53 659 / 907
275. Chevrolet Camaro IROC IMSA GTO Chuck McConnell 1:44.60 669 / 907
276. Chevrolet Camaro IROC IMSA GTO Robert Kahn 1:44.66 669 / 907
277. Porsche 911 Carrera IMSA GTO Larry Chmura 1:44.73 660 / 900

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Sonoma (1968-1997)

Sonoma (1968-1997) is a racing venue in United States with 447 lap times.This page represents the 4.1 kilometer (2.5 mile) configuration of this track. Sonoma (1968-1997) has 12 turns.

Sonoma (1968-1997) is a moderately fast track, with overall average speed of 144 kph (90 mph).

Country United States
Track length 4.06 km / 2.52 miles
Number of turns 12
Track record 1:23.2 - GTP ZX-Turbo
Production record 1:38.0 - 924 Carrera GTP
4-door record 1:44.5 - 510 IMSA GTU
Convertible record 1:25.6 - MK III Ford

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