GMC S-15 / Sonoma Engines by Year

The S-15 was GMC's version of the Chevrolet S-10 compact pickup, renamed Sonoma for 1991 and sold through 2004. It shared the S-10's engines: small fours, the 2.8 V6, and from 1988 the 4.3 V6 that became the truck's best-known engine. The 1991 Syclone has its own page.

Pick a year to see every engine offered that model year, with its code, rated horsepower and the trims it came in. Each engine links to its full specs.

Jump to a year

First generation (1982–1993): 1982 · 1983 · 1984 · 1985 · 1986 · 1987 · 1988 · 1989 · 1990 · 1991 · 1992 · 1993

Second generation (1994–2004): 1994 · 1995 · 1996 · 1997 · 1998 · 1999 · 2000 · 2001 · 2002 · 2003 · 2004

First generation (1982–1993)

Fours from Isuzu and GM, a 2.2 diesel, the 2.8 V6 and the 4.3 V6.

1982 S-15 / Sonoma engines

Engine	Rated	Offered in
1.9L / 119 inline-four (LR1)	82 hp net	2WD, Short-wheelbase regular cab (standard)
2.8L / 173 V6 (LR2)	110 hp net	2WD, 4x4 (from 1983), Optional

1983 S-15 / Sonoma engines

Engine	Rated	Offered in
1.9L / 119 inline-four (LR1)	82 hp net	2WD, Short-wheelbase regular cab (standard)
2.0L / 121 inline-four (LQ2)	83 hp net	2WD, 4x4, Standard except SWB 2WD
2.8L / 173 V6 (LR2)	110 hp net	2WD, 4x4 (from 1983), Optional

1984 S-15 / Sonoma engines

Engine	Rated	Offered in
1.9L / 119 inline-four (LR1)	82 hp net	2WD, Short-wheelbase regular cab (standard)
2.0L / 121 inline-four (LQ2)	83 hp net	2WD, 4x4, Standard except SWB 2WD
2.2L / 137 inline-four diesel (LQ7)	62 hp net	2WD regular cab, 2WD Club Coupe
2.8L / 173 V6 (LR2)	110 hp net	2WD, 4x4 (from 1983), Optional

1985 S-15 / Sonoma engines

Engine	Rated	Offered in
1.9L / 119 inline-four (LR1)	82 hp net	2WD, Short-wheelbase regular cab (standard)
2.2L / 137 inline-four diesel (LQ7)	62 hp net	2WD regular cab, 2WD Club Coupe
2.5L / 151 inline-four (LN8)	92 hp net	2WD standard, 4x4
2.8L / 173 V6 (LR2)	—	2WD, 4x4 (from 1983), Optional

1986 S-15 / Sonoma engines

Engine	Rated	Offered in
2.5L / 151 inline-four (LN8)	92 hp net	2WD standard, 4x4
2.8L / 173 V6 (LL2)	125 hp net	2WD, 4x4

1987 S-15 / Sonoma engines

Engine	Rated	Offered in
2.5L / 151 inline-four (LN8)	92 hp net	2WD standard, 4x4
2.8L / 173 V6 (LL2)	125 hp net	2WD, 4x4

1988 S-15 / Sonoma engines

Engine	Rated	Offered in
2.5L / 151 inline-four (LN8)	92 hp net	2WD standard, 4x4
2.8L / 173 V6 (LL2)	125 hp net	2WD, 4x4
4.3L / 262 V6 (LB4)	160 hp net	4x4 standard (from 1990), 2WD optional

1989 S-15 / Sonoma engines

Engine	Rated	Offered in
2.5L / 151 inline-four (LN8)	92 hp net	2WD standard
2.8L / 173 V6 (LL2)	125 hp net	2WD, 4x4, Standard 4x4
4.3L / 262 V6 (LB4)	160 hp net	4x4 standard (from 1990), 2WD optional

1990 S-15 / Sonoma engines

Engine	Rated	Offered in
2.5L / 151 inline-four (LN8)	—	2WD standard
2.8L / 173 V6 (LL2)	125 hp net	2WD, 2WD optional only
4.3L / 262 V6 (LB4)	160 hp net	4x4 standard (from 1990), 2WD optional

1991 S-15 / Sonoma engines

Engine	Rated	Offered in
2.5L / 151 inline-four (L38)	105 hp net	2WD standard
2.8L / 173 V6 (LL2)	125 hp net	2WD, 2WD optional only
4.3L / 262 V6 (LB4)	160 hp net	4x4 standard (from 1990), 2WD optional

1992 S-15 / Sonoma engines

Engine	Rated	Offered in
2.5L / 151 inline-four (L38)	105 hp net	2WD standard
2.8L / 173 V6 (LL2)	125 hp net	2WD, 2WD optional only
4.3L / 262 V6 (L35)	—	2WD, 4x4, Optional, Sonoma GT (1992)
4.3L / 262 V6 (LB4)	160 hp net	4x4 standard (from 1990), 2WD optional

1993 S-15 / Sonoma engines

Engine	Rated	Offered in
2.5L / 151 inline-four (L38)	105 hp net	2WD standard
2.8L / 173 V6 (LL2)	125 hp net	2WD, 2WD optional only
4.3L / 262 V6 (LB4)	—	4x4 standard (from 1990), 2WD optional
4.3L / 262 V6 (L35)	—	2WD, 4x4, Optional, Highrider/SLS

Second generation (1994–2004)

The 2.2 four and the 4.3 V6.

1994 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (LN2)	118 hp net	2WD standard
4.3L / 262 V6 (LB4)	165 hp net	4x4 standard (from 1990), 2WD optional
4.3L / 262 V6 (L35)	195 hp net	2WD, 4x4, Optional, Highrider/SLS

1995 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (LN2)	118 hp net	2WD standard
4.3L / 262 V6 (L35)	—	2WD, 4x4, Optional, Highrider/SLS
4.3L / 262 V6 (LB4)	155 hp net	4x4 standard (from 1990), 2WD optional

1996 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (LN2)	118 hp net	2WD standard
4.3L / 262 V6 (LF6)	—	2WD optional, 4x4 standard
4.3L / 262 V6 (L35)	180 hp net	2WD optional, 4x4 optional, ZR2/ZR5 Highrider

1997 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (LN2)	118 hp net	2WD standard
4.3L / 262 V6 (LF6)	175 hp net	2WD optional, 4x4 standard
4.3L / 262 V6 (L35)	180 hp net	2WD optional, 4x4 optional, ZR2/ZR5 Highrider

1998 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (L43)	120 hp net	2WD standard
4.3L / 262 V6 (LF6)	175 hp net	2WD optional, 4x4 standard
4.3L / 262 V6 (L35)	180 hp net	2WD optional, 4x4 optional, ZR2/ZR5 Highrider

1999 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (L43)	120 hp net	2WD standard
4.3L / 262 V6 (LF6)	175 hp net	2WD optional, 4x4 standard
4.3L / 262 V6 (L35)	180 hp net	2WD optional, 4x4 optional, ZR2/ZR5 Highrider

2000 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (L43)	120 hp net	2WD standard
4.3L / 262 V6 (L35)	180 hp net	2WD optional, 4x4 standard, ZR2/ZR5 Highrider

2001 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (L43)	120 hp net	2WD standard
4.3L / 262 V6 (L35)	180 hp net	2WD optional, 4x4 standard, ZR2/ZR5 Highrider, Crew Cab 4x4

2002 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (L43)	120 hp net	2WD standard
4.3L / 262 V6 (L35)	180 hp net	2WD optional, 4x4 standard, ZR2/ZR5 Highrider, Crew Cab 4x4

2003 S-15 / Sonoma engines

Engine	Rated	Offered in
2.2L / 134 inline-four (L43)	120 hp net	2WD standard
4.3L / 262 V6 (L35)	180 hp net	2WD optional, 4x4 standard, ZR2/ZR5 Highrider, Crew Cab 4x4

2004 S-15 / Sonoma engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35)	190 hp net	SLS Crew Cab 4x4 only

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