Buick Somerset Regal IMSA GTO specs

Track	Time
Brainerd International Raceway (1968-2007)	1:37.28
Canadian Tire Motorsport Park	1:22.30
Circuit Trois-Rivières (1978-1985)	1:33.34
Daytona Road Course (1984 - 2002)	1:53.21
Detroit street circuit (1983-1991)	2:04.86
Gateway Motorsports Park (1985-1996)	1:28.09
Grand Prix of Cleveland (1982-1989)	1:23.51
Lime Rock Park	0:53.27
Long Beach Grand Prix Circuit (1984–1991)	1:20.37
Meadowlands (1988–1991)	0:50.49
Memphis International Raceway	1:08.49
Mid-Ohio Sports Car Course (1963-1989)	1:31.30
Niagara Falls Street Circuit	1:32.06
Portland International Raceway (1984-1991)	1:12.22
Reunion Arena (Dallas street circuit)	1:03.05
Riverside Raceway (4.1 Km) (1969-1989)	1:24.02
Road America	2:16.69
Road Atlanta (1970-1997)	1:23.13
Sebring International Raceway (1987-1990)	2:27.84
Sonoma (1968-1997)	1:37.76
St Petersburg Street Circuit	1:18.63
Summit Point	1:18.76
Tamiami Park	1:09.52
Watkins Glen (1972-1992)	1:54.16

Engine type	V6 (Buick 4500)
Displacement	4.5 l (275 ci)
Power	514 ps (507 bhp / 378 kw)
Torque	521 Nm (384 lb-ft)
Power / liter	114 ps (113 hp)
Power / weight	420 ps (414 bhp) / t
Torque / weight	425 Nm (314 lb-ft) / t
Transmission	5 speed manual
Layout	front engine, rear wheel drive

Race	#	Driver	Time	Gap
1985 IMSA GT Championship St. Louis	2nd	Elliot Forbes-Robinson	1:28.09	+0.0
1985 IMSA GT Championship Sears Point	2nd	Elliot Forbes-Robinson	1:37.79	+0.0
1985 IMSA GT Championship Lime Rock	2nd	Elliot Forbes-Robinson	0:54.45	+0.8
1986 IMSA GT Championship Sears Point	3rd	Elliot Forbes-Robinson	1:37.76	+1.5
1985 IMSA GT Championship Trois-Rivières	3rd	Elliot Forbes-Robinson	1:33.34	+0.9
1987 IMSA GT Championship Mosport	4th	Chris Gleason	1:48.24	+22.5
1985 IMSA GT Championship Mosport	4th	Elliot Forbes-Robinson	1:23.93	+0.3
1985 IMSA GT Championship St. Petersburg	4th	Elliot Forbes-Robinson	1:26.38	+1.3
1986 IMSA GT Championship Lime Rock	5th	Elliot Forbes-Robinson	0:53.27	+0.9
1986 IMSA GT Championship Mid-Ohio	5th	Elliot Forbes-Robinson	1:31.30	+0.5
1986 IMSA GT Championship Tamiami	5th	Elliot Forbes-Robinson	1:09.52	+0.8
1986 IMSA GT Championship Brainerd	5th	Elliot Forbes-Robinson	1:37.28	+1.2
1985 IMSA GT Championship Road America	5th	Elliot Forbes-Robinson	2:16.69	+2.1
1986 IMSA GT Championship Road America	5th	Elliot Forbes-Robinson	2:17.63	+2.6
1986 IMSA GT Championship Mosport	6th	Elliot Forbes-Robinson	1:22.30	+1.2
1986 IMSA GT Championship Sears Point	6th	Elliot Forbes-Robinson	1:38.07	+2.5
1986 IMSA GT Championship Portland	6th	Elliot Forbes-Robinson	1:12.31	+2.2
1986 IMSA GT Championship Detroit	6th	Elliot Forbes-Robinson	2:04.86	+3.3
1986 IMSA GT Championship St. Petersburg	6th	Elliot Forbes-Robinson	1:18.63	+1.5
1986 IMSA GT Championship Brainerd	6th	Tommy Riggins	1:37.54	+1.5