2021 GMC Sierra 1500 SLE
$8,178 more than this car
- 120,625 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
McGrath Hyundai of Dubuque · Dubuque, IA · 53 mi away
149,919 miles · truck

The 2021 GMC Sierra 1500 SLE stands out as a value leader among full-size pickups by including sought-after features like heated front seats, dual-zone automatic climate control, and a heated steering wheel as standard equipment at its price point. Analytical buyers who compare spec sheets and prioritize getting the most equipment for their money will appreciate this Crew Cab's robust standard feature set. The locally owned history and clean interior make it especially attractive for those in Sw Mt Vernon, IA, where trucks see year-round use in varying conditions. Families or professionals who need a spacious cabin, rear dual USB charging, and a power driver seat will find that the Sierra SLE meets practical daily needs without requiring costly option packages. Performance value is strong with the EcoTec3 5.3L V8 engine paired to a 10-speed automatic transmission and 4WD, providing confident power delivery for work and recreation at a competitive price point. With EPA ratings of 16 mpg city and 22 mpg highway, this truck delivers respectable fuel efficiency for a V8-powered full-size, helping owners save on fuel costs over time. The integrated trailer brake controller and heavy-duty suspension are included, reducing the need for aftermarket upgrades and keeping ongoing maintenance straightforward. Safety value is maximized through standard features such as a rear camera, electronic stability control, ABS brakes, dual front and side impact airbags, and a theft deterrent system. These systems are included without requiring buyers to pay for additional safety packages. While some trucks in this segment only provide rear cameras or advanced stability features as expensive add-ons, the Sierra SLE ensures core safety technology is already in place, enhancing everyday security and minimizing hidden costs. The SLE trim includes a suite of premium features, such as remote keyless entry, power driver seat with lumbar adjustment, heated door mirrors, split folding rear seat, and Apple CarPlay/Android Auto integration as standard. The GMC Infotainment System, 6-speaker audio, and dual-zone automatic climate control transform commutes and long drives into comfortable experiences. Trailering Package, LED cargo area lighting, and integrated trailer brake controller are included, making towing and loading more convenient and cost-effective for owners who regularly use their truck for work or travel. When compared to the Ford F-150 XLT and Ram 1500 Big Horn, the Sierra SLE stands out with its standard heated front seats and steering wheel, which are often extra-cost options on similarly priced trims from those rivals. While competitors may offer similar engine configurations, the GMC's robust standard equipment and included trailering technologies give it an edge for budget-conscious buyers seeking high feature content as part of the purchase price rather than as add-ons. What standard equipment is included? The SLE gives you heated front seats, dual-zone climate, Apple CarPlay/Android Auto, and trailering tech as standard, saving money versus competitors. Is it worth the price? Yesâ"the combination of comfort, active features, and robust V8 performance at this trim level represents strong value. Which trim offers the best value? The SLE delivers most of the most-wanted options without the premium price tag of higher trims. To experience the value-packed 2021 GMC Sierra 1500 SLE in person, visit Lynch Ford Chevrolet at 410 Business 30 Sw Mt Vernon, IA 52314 or call 319-895-8500. Discover how this feature-rich truck maximizes your investment without compromise.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Among the lowest-priced · 100% of 3 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 ($18,180).
AutosXchange Intel Hub: Price changes for this model in Iowa · This model in the Intel Hub · Market movers in Iowa
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2021 Sierra 1500 SLE · used · any miles · within 250 miles of Mount Vernon, Iowa. All 3 comparable cars for sale, nearest first.
$8,178 more than this car
McGrath Hyundai of Dubuque · Dubuque, IA · 53 mi away
$11,160 more than this car
Dearth Chrysler Dodge Jeep Ram · Monroe, WI · 103 mi away
$12,217 more than this car
Don Larson Chevrolet · Baraboo, WI · 139 mi away
2021 GMC Sierra 1500 SLE120,625 miles · McGrath Hyundai of Dubuque · Dubuque, IA · 53 mi away$26,358$8,178 more than this car
2021 GMC Sierra 1500 SLE55,509 miles · Dearth Chrysler Dodge Jeep Ram · Monroe, WI · 103 mi away$29,340$11,160 more than this car
2021 GMC Sierra 1500 SLE80,063 miles · Don Larson Chevrolet · Baraboo, WI · 139 mi away$30,397$12,217 more than this carAll GMC models, all years and trims. Nearest first.
Lynch Ford · Mount Vernon, IA · 0 mi away
Lynch Ford · Mount Vernon, IA · 0 mi away