Summary

• With 497 currently listed for sale and an average price of $37,691.00 CAD, 32.0% of 2020 GMC Sierras for sale on CarGurus are rated as good or great deals.

• Favourably reviewed: Owners rated the 2020 GMC Sierra 1500 4.28 / 5 stars.

• 100.0% of 2020 Sierra models on CarGurus are accident free.

Why it stands out

The 2020 GMC Sierra 1500 is a standout in the full-size pickup truck segment, offering a blend of upscale design, advanced technology, and strong performance. As part of its fifth generation, which began in 2019, the Sierra 1500 has been praised for its spacious interior and smooth ride, making it a comfortable choice for both work and leisure. Owners appreciate the variety of engine options, which cater to different needs, from fuel efficiency to towing capacity. However, some users have reported issues with engine performance, particularly oil burning and recalls, which potential buyers should consider. Overall, the Sierra 1500's combination of features and reliability makes it an appealing option for those in the market for a used truck.

Other model years to consider

• 2025 GMC Sierra 1500

  • Average price: $66,585.00 CAD
  • Good/great deal percentage: 35.4%
  • User rating: 5 / 5
  • Total listings: 1,328

• 2022 GMC Sierra 1500

  • Average price: $49,171.00 CAD
  • Good/great deal percentage: 32.4%
  • User rating: 5 / 5
  • Total listings: 769

• 2024 GMC Sierra 1500

  • Average price: $57,124.00 CAD
  • Good/great deal percentage: 34.9%
  • User rating: 4.64 / 5
  • Total listings: 1,429

This analysis is based on CarGurus' proprietary market data from July 6, 2026, CarGurus experts' opinions, and generative AI.