Used GMC Sierra in Morton, IL

28 listings from 2 dealer lots in Morton, IL, $19,312 to $70,012 (median $40,400). 19 price drops this week. Newest first. Refine with filters

2022 GMC Sierra 1500 Limited SLT
62,969 mi·4WD·Onyx BlackLighthouse Buick GMC · Morton, IL

$36,572
2024 GMC Sierra 1500 Elevation
47,980 mi·4WD·Sterling MetallicBob Grimm Chevrolet · Morton, IL

$40,400
2024 GMC Sierra 1500 Pro
9,365 mi·4WD·Summit WhiteLighthouse Buick GMC · Morton, IL

$37,672
2013 GMC Sierra 2500 HD SLT
131,151 mi·4WD·Onyx BlackLighthouse Buick GMC · Morton, IL

$24,312
2021 GMC Sierra 1500 SLT
53,319 mi·4WD·Cayenne Red TintcoatLighthouse Buick GMC · Morton, IL

$40,712~~$41,772~~
$1,060 price drop
2005 GMC Sierra 3500 HD SLT
160,904 mi·RWD·Sport Red MetallicLighthouse Buick GMC · Morton, IL

$19,312~~$20,372~~
$1,060 price drop
2019 GMC Sierra 1500 AT4
75,875 mi·4WD·Onyx BlackBob Grimm Chevrolet · Morton, IL

$36,352
2018 GMC Sierra 1500 Denali
34,950 mi·4WD·Onyx BlackLighthouse Buick GMC · Morton, IL

$42,812~~$42,972~~
$160 price drop
2025 GMC Sierra 2500 HD SLE
9,422 mi·4WD·Summit WhiteLighthouse Buick GMC · Morton, IL

$61,372
2026 GMC Sierra 1500 Denali Ultimate
2,380 mi·4WD·Glacier White TricoatLighthouse Buick GMC · Morton, IL

$70,012~~$70,372~~
$360 price drop
2020 GMC Sierra 1500 Denali
85,048 mi·4WD·Red Quartz TintcoatLighthouse Buick GMC · Morton, IL

$31,312~~$32,312~~
$1,000 price drop
2017 GMC Sierra 1500 SLT
71,571 mi·4WD·Onyx BlackLighthouse Buick GMC · Morton, IL

$29,312~~$30,312~~
$1,000 price drop
2018 GMC Sierra 1500 SLT
80,206 mi·4WD·Red Quartz TintcoatLighthouse Buick GMC · Morton, IL

$31,212~~$31,712~~
$500 price drop
2020 GMC Sierra 1500 Denali
75,479 mi·4WD·Red Quartz TintcoatLighthouse Buick GMC · Morton, IL

$35,512~~$36,512~~
$1,000 price drop
2019 GMC Sierra 1500 SLT
63,720 mi·4WD·Dark Sky MetallicLighthouse Buick GMC · Morton, IL

$35,312~~$36,312~~
$1,000 price drop
2021 GMC Sierra 1500 SLT
73,879 mi·4WD·Pacific Blue MetallicLighthouse Buick GMC · Morton, IL

$33,912~~$34,912~~
$1,000 price drop
2022 GMC Sierra 1500 SLT
47,746 mi·4WD·Pacific Blue MetallicLighthouse Buick GMC · Morton, IL

$41,260
2023 GMC Sierra 1500 SLT
20,542 mi·4WD·Titanium Rush MetallicLighthouse Buick GMC · Morton, IL

$45,112~~$46,112~~
$1,000 price drop
2023 GMC Sierra 1500 SLE
14,463 mi·4WD·Sterling MetallicLighthouse Buick GMC · Morton, IL

$38,312~~$39,312~~
$1,000 price drop
2021 GMC Sierra 1500 SLT
105,080 mi·4WD·Pacific Blue MetallicBob Grimm Chevrolet · Morton, IL

$28,975~~$29,300~~
$325 price drop
2024 GMC Sierra 2500 HD AT4
73,120 mi·4WD·Onyx BlackLighthouse Buick GMC · Morton, IL

$58,312~~$59,312~~
$1,000 price drop
2024 GMC Sierra 1500 AT4
30,245 mi·4WD·Sterling MetallicBob Grimm Chevrolet · Morton, IL

$48,754~~$49,300~~
$546 price drop
2024 GMC Sierra 1500 SLE
95,322 mi·4WD·Onyx BlackLighthouse Buick GMC · Morton, IL

$32,612~~$32,912~~
$300 price drop
2024 GMC Sierra 1500 Denali Ultimate
17,587 mi·4WD·Onyx BlackLighthouse Buick GMC · Morton, IL

$60,012~~$60,312~~
$300 price drop
2024 GMC Sierra 2500 HD SLE
15,617 mi·4WD·Sterling MetallicLighthouse Buick GMC · Morton, IL

$53,112~~$53,612~~
$500 price drop
2024 GMC Sierra 1500 AT4X
12,983 mi·4WD·Onyx BlackLighthouse Buick GMC · Morton, IL

$58,912~~$59,312~~
$400 price drop
2025 GMC Sierra 1500 Denali
14,230 mi·4WD·Downpour MetallicLighthouse Buick GMC · Morton, IL

$57,312~~$58,312~~
$1,000 price drop
2025 GMC Sierra 1500 AT4
14,357 mi·4WD·Onyx BlackLighthouse Buick GMC · Morton, IL

$54,812~~$55,812~~
$1,000 price drop