Used 2018 GMC Sierra 1500 for Sale near Alberta

Summary

• With 463 currently listed for sale and an average price of $26,308 CAD, 23.3% of 2018 GMC Sierras for sale on CarGurus are rated as good or great deals.

• Favourably reviewed: Owners rated the 2018 GMC Sierra 1500 4.44 / 5 stars.

• 100.0% of 2018 Sierra 1500 models on CarGurus are accident free.

Why it stands out

The 2018 GMC Sierra 1500 stands out as a full-size pickup that leans more upscale than many rivals, with GMC’s near-luxury cabin treatment and a strong emphasis on capability. It offers a wide range of powertrains, including a 4.3-litre V6, 5.3-litre V8, and 6.2-litre V8, along with rear- or four-wheel drive and six- or eight-speed automatic transmissions depending on engine. That breadth makes it easy to tailor the truck to work, towing, or everyday use, while the Denali trim adds a more luxurious look and feel.

For buyers, the 2018 Sierra 1500’s appeal is also in its practical details and trim variety. The generation includes Pro, SLE, Elevation, SLT, Denali, Denali Ultimate, AT4, and AT4X, with 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. The MultiPro tailgate adds flexibility for loading and hauling, and the truck’s reliability reputation is generally positive for this generation. On the downside, the used market can be expensive, and the engine and trim lineup can be overwhelming, so shoppers need to be clear about which configuration best suits their needs.

Other model years to consider

• 2025 GMC Sierra 1500

  • Average price: $66,343 CAD
  • Good/great deal percentage: 35.9%
  • User rating: 5 / 5
  • Total listings: 1,519

• 2022 GMC Sierra 1500

  • Average price: $48,187 CAD
  • Good/great deal percentage: 32.3%
  • User rating: 5 / 5
  • Total listings: 833

• 2024 GMC Sierra 1500

  • Average price: $55,849 CAD
  • Good/great deal percentage: 35.9%
  • User rating: 4.64 / 5
  • Total listings: 1,608

This analysis is based on CarGurus' proprietary market data from September 7, 2026, CarGurus experts' opinions, and generative AI.