Used 2020 GMC Sierra 1500 for SaleNationwide

Summary

• With 434 currently listed for sale and an average price of $38,122.00 CAD, 28.3% 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 1500 models on CarGurus are accident free.

Why it stands out

The 2020 GMC Sierra 1500 stands out as a full-size pickup that leans into a more upscale personality than many rivals. In this generation, GMC’s styling and cabin approach are meant to feel near-luxury without becoming overly ornate, and the truck’s appeal is broadened by a wide range of powertrains, rear- or four-wheel drive, and multiple transmission choices. It is also known to be pretty reliable, and the 2020 model in particular earned lots of satisfied customers.

What makes the 2020 Sierra especially distinctive is the combination of practical innovation and premium touches. The 2022 refresh brought updated styling, better infotainment functionality, and availability of the General Motors Super Cruise semi-automated hands-free driving system, while the MultiPro tailgate adds flexible utility with its smaller hinged gate and multiple configurations. Trim choices range from work-focused to luxurious, with the Denali and Denali Ultimate emphasising premium materials, and the AT4X adding heavy-duty off-road hardware, skid plates, beefed-up dampers, all-terrain tyres, and 16-way power heated and ventilated front seats with a massage feature.

For buyers, the 2020 Sierra 1500 offers a strong mix of capability, comfort, and technology, which helps explain its appeal on the used market. At the same time, it is not the simplest truck to shop for, because the trim and engine lineups can be overwhelming, and late used examples tend to be expensive. Still, for shoppers who want a capable pickup with upscale character and plenty of available equipment, the 2020 GMC Sierra 1500 is an easy truck to understand as a premium-leaning choice.

Other model years to consider

• 2025 GMC Sierra 1500

  • Average price: $66,534.00 CAD
  • Good/great deal percentage: 35.1%
  • User rating: 5 / 5
  • Total listings: 1,406

• 2022 GMC Sierra 1500

  • Average price: $47,644.00 CAD
  • Good/great deal percentage: 29.8%
  • User rating: 5 / 5
  • Total listings: 773

• 2024 GMC Sierra 1500

  • Average price: $56,057.00 CAD
  • Good/great deal percentage: 34.3%
  • User rating: 4.64 / 5
  • Total listings: 1,493

This analysis is based on CarGurus' proprietary market data from August 31, 2026, CarGurus experts' opinions, and generative AI.