2003 GMC Sierra 3500

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Sierra 3500 Extended Cab shown
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2003 GMC Sierra 3500

Kelley Blue Book Retail $9,625–$12,750  

MPG City: NA Highway: NA

Available Engines

300-hp, 6.0-liter V-8 (regular gas)
340-hp, 8.1-liter V-8 (regular gas)
300-hp, 6.6-liter V-8 (diesel)

Transmissions

6-speed manual w/OD
4-speed automatic w/OD
5-speed automatic w/OD
5-speed manual w/OD

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Summary

GMC has redesigned its complete line of full-size Sierra pickup trucks for the 2003 model year. While the automaker positions its trucks as “professional grade,” the similar Chevrolet Silverado ranks as the high-volume member of the duo. Read More
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