2020 GMC Sierra 1500 SLT
$12,336 less than this car
- 130,616 mi
- 4WD
- Automatic
- Gasoline
- Truck
Bommarito Buick GMC · Ellisville, MO · 25 mi away
32,182 miles · truck

** We are 15 minutes south of St. Louis. Everyone leaves happy! This 2021 GMC Sierra 1500 SLT is an impressive truck packed with premium features to elevate your driving experience. Outfitted with the EcoTec3 5.3L V8 engine and 10-speed automatic transmission, this Sierra delivers a powerful and efficient performance. - TEXAS EDITION SLT PREMIUM PLUS PACKAGE - X31 OFF-ROAD PACKAGE - PREMIUM BOSE 7-SPEAKER SOUND SYSTEM - RADIO: PREMIUM GMC INFOTAINMENT SYS W/NAVIGATION - SIRIUSXM W/360L - SPRAY-ON BEDLINER W/GMC LOGO This Sierra SLT stands out with its rugged yet refined style. The chrome grille, 20-inch polished aluminum wheels, and chrome assist steps give it a bold, premium look. Under the hood, the advanced 5.3L V8 engine and 4WD system provide the capability to tackle any terrain. Inside, you'll find an array of comfort and convenience features, including heated front seats, a heated steering wheel, and dual-zone automatic climate control. The Premium Bose sound system and GMC Infotainment system with built-in navigation ensure you stay entertained and connected on the road. For added peace of mind, this Sierra SLT is equipped with an impressive suite of advanced safety technologies. Features like Forward Collision Alert, Automatic Emergency Braking, and Lane Keep Assist help provide added protection for you and your passengers. Whether you're hauling heavy loads, navigating off-road adventures, or simply enjoying a comfortable commute, this 2021 GMC Sierra 1500 SLT is ready to exceed your expectations. Visit us today to experience the power, capability, and premium features of this impressive truck.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Among the highest-priced · 0% of 5 similar listings ask more than this car.
How we calculate market value: comparable cars for sale now plus their last listed prices.
Price tracked by AutosXchange since Nov 6, 2026. No price change at this dealership since Nov 6 ($37,536).0 price changes at this dealership: $37,536 → $37,536.
AutosXchange Intel Hub: Price changes for this model in Missouri · This model in the Intel Hub · Market movers in Missouri
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 11); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2020 Sierra 1500 SLT · used · any miles · within 100 miles of Herculaneum, Missouri. All 5 comparable cars for sale, nearest first.
$12,336 less than this car
Bommarito Buick GMC · Ellisville, MO · 25 mi away
$1,665 less than this car
Clement Supercenter · Saint Charles, MO · 34 mi away
$2,537 less than this car
Smoky Jennings Chevrolet · Palmyra, IL · 84 mi away
$9,507 less than this car
Rusty Drewing Chevrolet Buick GMC · Jefferson City, MO · 96 mi away
$3,587 less than this car
Rusty Drewing Chevrolet Buick GMC · Jefferson City, MO · 96 mi away
2020 GMC Sierra 1500 SLT130,616 miles · Bommarito Buick GMC · Ellisville, MO · 25 mi away$25,200$12,336 less than this car
2020 GMC Sierra 1500 SLT46,046 miles · Clement Supercenter · Saint Charles, MO · 34 mi away$35,871$1,665 less than this car
2020 GMC Sierra 1500 SLT62,079 miles · Smoky Jennings Chevrolet · Palmyra, IL · 84 mi away$34,999$2,537 less than this car
2020 GMC Sierra 1500 SLT122,381 miles · Rusty Drewing Chevrolet Buick GMC · Jefferson City, MO · 96 mi away$28,029$9,507 less than this car
2020 GMC Sierra 1500 SLT67,894 miles · Rusty Drewing Chevrolet Buick GMC · Jefferson City, MO · 96 mi away$33,949$3,587 less than this carAll years and trims. Nearest first.
Sapaugh Buick GMC · Herculaneum, MO · 0 mi away
Sapaugh Buick GMC · Herculaneum, MO · 0 mi away
Sapaugh Buick GMC · Herculaneum, MO · 0 mi away
Sapaugh Buick GMC · Herculaneum, MO · 0 mi away
Sapaugh Buick GMC · Herculaneum, MO · 0 mi away
Sapaugh Buick GMC · Herculaneum, MO · 0 mi away
Sapaugh Buick GMC · Herculaneum, MO · 0 mi away
Sapaugh Buick GMC · Herculaneum, MO · 0 mi away
2021 GMC Sierra 1500 Denali96,722 miles · Sapaugh Buick GMC · Herculaneum, MO · 0 mi away$34,527
2020 GMC Sierra 1500 SLT83,848 miles · Sapaugh Buick GMC · Herculaneum, MO · 0 mi away$35,519
2022 GMC Sierra 1500 Limited SLT75,123 miles · Sapaugh Buick GMC · Herculaneum, MO · 0 mi away$35,915
2022 GMC Sierra 1500 Limited AT434,118 miles · Sapaugh Buick GMC · Herculaneum, MO · 0 mi away$41,025
2022 GMC Sierra 1500 SLT32,386 miles · Sapaugh Buick GMC · Herculaneum, MO · 0 mi away$45,534
2022 GMC Sierra 1500 Denali Ultimate56,064 miles · Sapaugh Buick GMC · Herculaneum, MO · 0 mi away$49,068
2023 GMC Sierra 1500 SLT68,719 miles · Sapaugh Buick GMC · Herculaneum, MO · 0 mi away$41,738
2023 GMC Sierra 1500 SLT40,769 miles · Sapaugh Buick GMC · Herculaneum, MO · 0 mi away$42,247