Used GMC Sierra in St. Augustine, FL
22 listings from 2 dealer lots in St. Augustine, FL, $12,613 to $69,079 (median $45,213). 8 price drops this week. Newest first. Refine with filters
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2026 GMC Sierra 2500 HD Denali Ultimate$79,694$806 price drop
$80,500 -
2021 GMC Sierra 1500 AT4$41,587$1 price drop
$41,588 -
2015 GMC Sierra 2500 HD SLE$30,718
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2016 GMC Sierra 2500 HD SLT$32,727
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2022 GMC Sierra 1500 SLT Crew Cab$36,013$400 price drop
$36,413 -
2021 GMC Sierra 1500 AT4 Crew Cab$33,613$1,800 price drop
$35,413 -
2020 GMC Sierra 1500 Denali Crew Cab$39,813$1,400 price drop
$41,213 -
2025 GMC Sierra 1500 SLT Crew Cab$34,113$2,100 price drop
$36,213 -
2025 GMC Sierra 1500 Denali Ultimate Crew Cab$69,079$2,211 price drop
$71,290 -
2024 GMC Sierra 2500 HD AT4 Crew Cab$66,418$2,872 price drop
$69,290 -
2022 GMC Sierra 1500 Elevation Crew Cab$40,213$1,200 price drop
$41,413 -
2024 GMC Sierra 1500 Denali Crew Cab$50,213$600 price drop
$50,813 -
2025 GMC Sierra 1500 Denali Crew Cab$57,256$933 price drop
$58,189 -
2023 GMC Sierra 1500 Elevation Double Cab$31,913$4,300 price drop
$36,213 -
2020 GMC Sierra 1500 SLT Crew Cab$23,513$2,600 price drop
$26,113 -
2024 GMC Sierra 1500 Denali Crew Cab$51,213$1,000 price drop
$52,213 -
2007 GMC Sierra 1500 Classic SL Crew Cab$12,613$800 price drop
$13,413