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4.2 L 6-cylinder
A standard 275-hp, 4.2-liter inline-six-cylinder engine teams with a four-speed-automatic transmission. A 290-hp, 5.3-liter V-8 is available in the EXT only. TrailBlazers are available with either two-wheel drive or four-wheel drive, and the latter includes a two-speed transfer case.
2004 Chevrolet Trailblazer/Engine
4.2 L 6-cylinder
A standard 275-hp, 4.2-liter inline-six-cylinder engine teams with a four-speed-automatic transmission. A 290-hp, 5.3-liter V-8 is available in the EXT only. TrailBlazers are available with either two-wheel drive or four-wheel drive, and the latter includes a two-speed transfer case.