Used 2020 GMC Sierra in Illinois
35 listings from 21 dealer lots in Illinois, $22,358 to $57,888 (median $35,512). 12 price drops this week. Newest first. Refine with filters
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2020 GMC Sierra 1500 SLT$33,372
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2020 GMC Sierra 1500 Elevation$32,089
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2020 GMC Sierra 1500 AT4Call for price
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2020 GMC Sierra 1500 Denali$38,376
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2020 GMC Sierra 1500 Denali$32,376
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2020 GMC Sierra 2500 HD Denali$48,912
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2020 GMC Sierra 1500 SLE$34,995
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2020 GMC Sierra 1500 Elevation$28,995
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2020 GMC Sierra 2500 HD Denali$54,410$1,000 price drop
$55,410 -
2020 GMC Sierra 1500 SLT$28,995$1,500 price drop
$30,495 -
2020 GMC Sierra 1500 Denali$39,872$500 price drop
$40,372 -
2020 GMC Sierra 1500 Denali$28,995$2,000 price drop
$30,995 -
2020 GMC Sierra 1500 AT4$35,000
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2020 GMC Sierra 1500 SLT$32,172
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2020 GMC Sierra 2500 HD AT4$45,372
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2020 GMC Sierra 1500 SLT$30,376
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2020 GMC Sierra 1500 SLT$36,476
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2020 GMC Sierra 1500 Denali$31,312$1,000 price drop
$32,312 -
2020 GMC Sierra 1500 Denali$26,372
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2020 GMC Sierra 2500 HD Denali$56,968$440 price drop
$57,408 -
2020 GMC Sierra 1500 Denali$35,872$1,000 price drop
$36,872 -
2020 GMC Sierra 1500 Denali$39,372$1,000 price drop
$40,372 -
2020 GMC Sierra 2500 HD Denali$54,372$1,000 price drop
$55,372 -
2020 GMC Sierra 1500 SLT$33,372$1,000 price drop
$34,372 -
2020 GMC Sierra 1500 Elevation$31,364$512 price drop
$31,876 -
2020 GMC Sierra 1500 SLE$30,308$100 price drop
$30,408 -
2020 GMC Sierra 1500 Denali$35,512$1,000 price drop
$36,512 -
2020 GMC Sierra 1500 Denali$37,613
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2020 GMC Sierra 2500 HD Denali$57,357
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2020 GMC Sierra 2500 HD Denali Crew Cab$57,888$300 price drop
$58,188 -
2020 GMC Sierra 1500 SLT$22,358
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2020 GMC Sierra 3500 HD Denali$51,300$6,100 price drop
$57,400 -
2020 GMC Sierra 1500 SLT$26,358
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2020 GMC Sierra 1500 Denali$36,358