Used 2021 GMC Sierra 1500 for Sale near Thunder Bay, ON

## Summary - With 582 currently listed for sale and an **average price of $41,745.00 CAD**, 30.2% of 2021 GMC Sierras for sale on CarGurus are rated as good or great deals. - **Favourably reviewed:** Owners rated the 2021 GMC Sierra 1500 4.9 / 5 stars. - **100.0% of 2021 Sierra models on CarGurus are accident free**. - The 2021 GMC Sierra 1500 features a luxurious interior, advanced technology, and exceptional engine performance, making it a well-rounded choice for buyers looking for a capable pickup. ## Why it stands out The 2021 GMC Sierra 1500 distinguishes itself with a blend of luxury, advanced technology, and impressive performance. With its available options such as the unique Denali trim and the innovative CarbonPro cargo bed, the Sierra offers buyers a unique value proposition compared to competitors. Owners have praised the truck for its engine performance, particularly with the optional Duramax turbodiesel that provides robust torque from low RPMs, enhancing both performance and towing capabilities. Though some minor drawbacks were noted, such as the additional packages needed for full-feature access, its 100% accident-free record further emphasizes the dependability of this model. The Sierra demonstrates GMC's commitment to delivering a well-appointed truck that successfully balances functionality with comfort. ## Other model years to consider - **[2022 GMC Sierra 1500](https://www.cargurus.ca/Cars/l-Used-2022-GMC-Sierra-1500-c31916)** - Average price: $49,656.00 CAD - Good/great deal percentage: 31.7% - User rating: 5 / 5 - Total listings: 810 - **[2025 GMC Sierra 1500](https://www.cargurus.ca/Cars/l-Used-2025-GMC-Sierra-1500-c33540)** - Average price: $68,598.00 CAD - Good/great deal percentage: 31.2% - User rating: 5 / 5 - Total listings: 1,207 - **[2024 GMC Sierra 1500](https://www.cargurus.ca/Cars/l-Used-2024-GMC-Sierra-1500-c32900)** - Average price: $58,167.00 CAD - Good/great deal percentage: 32.4% - User rating: 4.6 / 5 - Total listings: 1,412 This analysis is based on CarGurus' proprietary market data from May 4, 2026, CarGurus experts' opinions, and generative AI.