Used 2024 GMC Sierra 2500HD for Sale near Thornhill, ON

Summary

• With 39 currently listed for sale near Thornhill, ON and an average price of $72,426.00 CAD, 28.2% of 2024 GMC Sierra 2500HDs for sale on CarGurus are rated as good or great deals.

• Favourably reviewed: Owners rated the 2024 GMC Sierra 2500HD 4 / 5 stars.

• 100.0% of 2024 Sierra 2500HD models on CarGurus are accident free.

• The 2024 GMC Sierra 2500HD Denali Ultimate offers a powerful 6.6-litre turbocharged Duramax diesel V8 engine, boasting a maximum towing capacity of 10,200 kilograms (22,500 pounds) and luxurious interior features.

Why it stands out

The 2024 GMC Sierra 2500HD stands out in the heavy-duty truck segment with its impressive combination of luxury and capability. The newly introduced Denali Ultimate trim elevates the Sierra's status, offering nearly every available option for those who demand both performance and comfort. With a robust 6.6-litre turbocharged Duramax diesel V8 engine, it delivers an astounding 470 horsepower and 975 lb-ft of torque, making it a powerhouse for towing and hauling. The truck's maximum towing capacity has increased by 1,800 kilograms compared to the previous model year, making it ideal for serious work tasks.

Inside, the Sierra 2500HD Denali Ultimate is a haven of luxury, featuring full-grain leather seating, advanced technology, and a spacious cabin that comfortably accommodates passengers. The 13.4-inch touchscreen and a suite of driver assistance features enhance the driving experience, while the MultiPro Tailgate adds versatility for various cargo needs. However, potential buyers should be aware of its fuel consumption, which can be quite high, especially in urban settings. Overall, the 2024 GMC Sierra 2500HD is an excellent choice for those seeking a heavy-duty truck that doesn't compromise on luxury.

Other model years to consider

• 2023 GMC Sierra 2500HD

  • Average price: $61,005.00 CAD
  • Good/great deal percentage: 30.6%
  • User rating: 4 / 5
  • Total listings: 36

• 2025 GMC Sierra 2500HD

  • Average price: $82,434.00 CAD
  • Good/great deal percentage: 26.9%
  • User rating: 5 / 5
  • Total listings: 26

• 2026 GMC Sierra 2500HD

  • Average price: $78,483.00 CAD
  • Good/great deal percentage: 21.4%
  • User rating: 5 / 5
  • Total listings: 14

This analysis is based on CarGurus' proprietary market data from August 3, 2026, CarGurus experts' opinions, and generative AI.