The Chevrolet Blazer (and similar GMC Jimmy and Oldsmobile Bravada) was an early SUV from General Motors. The line was updated and replaced with the Chevrolet TrailBlazer and GMC Envoy in 2003.

Originally part of the C/K pickup truck family, the Blazer started life as a utility vehicle based on the short wheelbase pickup. It was introduced in 1969 (1970 for the GMC Jimmy) in both 2- and 4 wheel drive. The K5 Blazer and GMC Jimmy both had removable tops for the first few years until 1976 when a half-cab bodystyle was introduced. This bodystyle remained in production until 1991; 1992 saw the introduction of a new K1500 Blazer (and rebadged GMC Yukon) on the GMT400 platform - after 1994, the Blazer was rebadged as the modern-day Chevrolet Tahoe.

Upon the introduction of the S10 pickup in 1982 to replace the Isuzu-based Chevrolet LUV, the S10 Blazer was introduced for the 1983 model year, along with a GMC S15 Jimmy. The early years of the S10 Blazer (between 1983 - 1987) used the 2.8 L V6 as the base engine. 1988 and later models had the 4.3 L Vortec V6 based on the Small Block Chevrolet V8. During the middle of the 1990 model year, a 4-door version of the S10 Blazer and Jimmy were introduced. This came just months ahead of the introduction of the Ford Explorer. At the time, Jeep was the market leader with its XJ Cherokee 2 and 4-door SUVs.

1995 was the introduction of an all-new Blazer. This time, it lost the S10 prefix and became its own model based on the second generation S10/Sonoma pickups introduced a year earlier. Upon introduction of the 2002 Chevrolet TrailBlazer and GMC Envoy, the 4-door Blazer was relegated to fleet sales, leaving only the 2-door available for retail.

Engines:

• 1975 350 5.7 L (350 in³) V8
• 1979-1980 350 5.7 L (350 in³) V8
• 1980-1982 350 5.7 L (350 in³) V8
• 1994-1995 4300 4.3 L (262 in³) V6
• 2005 4300 4.3 L (262 in³) V6