Chevrolet S-10 Blazer Engines by Year

The compact S-10 Blazer arrived for 1983 on the S-10 pickup's frame; the second generation dropped the S-10 name for 1995. The full-size K5 Blazer has its own page, and the 2002–2009 TrailBlazer has its own page too.

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

S-10 Blazer (1983–1994): 1983 · 1984 · 1985 · 1986 · 1987 · 1988 · 1989 · 1990 · 1991 · 1992 · 1993 · 1994

Blazer (1995–2005): 1995 · 1996 · 1997 · 1998 · 1999 · 2000 · 2001 · 2002 · 2003 · 2004 · 2005

S-10 Blazer (1983–1994)

Fours and the 2.8 V6, then the 4.3 V6, the only engine from 1990.

1983 S-10 Blazer engines

Engine	Rated	Offered in
2.0L / 121 inline-four (LQ2)	83 hp net	2WD, 4x4, Standard (federal)
2.8L / 173 V6 (LR2)	110 hp net	2WD, 4x4, Optional

1984 S-10 Blazer engines

Engine	Rated	Offered in
1.9L / 119 inline-four (LR1)	—	California only
2.0L / 121 inline-four (LQ2)	83 hp net	2WD, 4x4, Standard (federal)
2.8L / 173 V6 (LR2)	110 hp net	2WD, 4x4, Optional

1985 S-10 Blazer engines

Engine	Rated	Offered in
2.5L / 151 inline-four (LN8)	92 hp net	2WD, 4x4, Standard
2.8L / 173 V6 (LR2)	115 hp net	2WD, 4x4, Optional

1986 S-10 Blazer engines

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

1987 S-10 Blazer engines

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

1988 S-10 Blazer engines

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

1989 S-10 Blazer engines

Engine	Rated	Offered in
2.8L / 173 V6 (LL2)	—	2WD, 4x4
4.3L / 262 V6 (LB4)	160 hp net	2WD, 4x4

1990 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (LB4)	160 hp net	2WD, 4x4, Standard

1991 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (LB4)	160 hp net	2WD, 4x4, Standard

1992 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (LB4)	160 hp net	2WD, 4x4, Standard
4.3L / 262 V6 (L35)	200 hp net	2WD, 4x4, Optional, Automatic only

1993 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (LB4)	165 hp net	2WD, 4x4, Standard
4.3L / 262 V6 (L35)	200 hp net	2WD, 4x4, Optional, Automatic only

1994 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (LB4)	165 hp net	2WD, 4x4, Standard
4.3L / 262 V6 (L35)	200 hp net	2WD, 4x4, Optional, Automatic only

Blazer (1995–2005)

The 4.3 Vortec V6.

1995 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35)	—	2WD, 4x4, 2-door, 4-door, Sole engine

1996 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35)	190 hp net	2WD, 4x4, Sole engine

1997 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35)	190 hp net	2WD, 4x4, Sole engine

1998 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35)	190 hp net	2WD, 4x4, Sole engine

1999 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35)	190 hp net	2WD, 4x4, Sole engine

2000 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35)	190 hp net	2WD, 4x4, Sole engine

2001 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35)	190 hp net	2WD, 4x4, Sole engine

2002 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35 / LU3)	190 hp net	2WD, 4x4, Sole engine

2003 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35 / LU3)	190 hp net	2WD, 4x4, Sole engine

2004 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35 / LU3)	190 hp net	2WD, 4x4, Sole engine

2005 S-10 Blazer engines

Engine	Rated	Offered in
4.3L / 262 V6 (L35 / LU3)	190 hp net	2WD, 4x4, Sole engine

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