Used GMC Sierra under $20,000
29 listings from 27 dealer lots, $10,268 to $19,312 (median $15,676). 5 price drops this week. Cheapest first. Refine with filters
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2012 GMC Sierra 1500 SLE$10,268
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2016 GMC Sierra 1500 Base$12,435$435 price drop
$12,870 -
2007 GMC Sierra 1500 Classic SL Crew Cab$12,613$800 price drop
$13,413 -
2015 GMC Sierra 1500 SLE$13,165
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2015 GMC Sierra Truck$13,495
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2014 GMC Sierra 1500 SLT$13,900
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2013 GMC Sierra 1500 SLE 2WD$14,488$455 price drop
$14,943 -
2015 GMC Sierra Base$14,731$1,399 price drop
$16,130 -
2017 GMC Sierra 1500 SLE$14,784
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2017 GMC Sierra 1500 Base$14,839
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2015 GMC Sierra 3500 HD SLE$15,549
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2015 GMC Sierra 1500 SLT$15,676$300 price drop
$15,976 -
2016 GMC Sierra 1500 SLE$15,699
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2017 GMC Sierra 1500 Base$16,746
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2015 GMC Sierra 1500 SLT$16,999
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2014 GMC Sierra 1500 SLE$18,408
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2018 GMC Sierra 1500 SLT$18,488$1,000 price drop
$19,488 -
2015 GMC Sierra Truck$18,495
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2014 GMC Sierra Truck$18,495
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2011 GMC Sierra 2500 HD SLE$18,704$146 price drop
$18,850 -
2015 GMC Sierra 1500 SLT$18,990
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2014 GMC Sierra 1500 SLE$18,995
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2018 GMC Sierra 1500 Base$19,162
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2005 GMC Sierra 3500 HD SLT$19,312$1,060 price drop
$20,372