New & Used 2026 GMC Sierra 2500HD for Sale near Tecumseh, ON

Summary

• With 80 currently listed for sale and an average price of $97,670 CAD, 25.0% of 2026 GMC Sierra 2500HD listings on CarGurus are rated as good or great deals.

• Favourably reviewed: Owners rated the 2026 GMC Sierra 2500HD 5 / 5 stars.

Why it stands out

The 2026 GMC Sierra 2500HD stands out as a heavy-duty pickup that leans into a more upscale personality than many rivals. GMC positions it with a broader range of trim levels and more upscale options and features than the related Chevrolet Silverado 2500HD, and the Denali and Denali Ultimate trims are described as more luxurious than the Silverado’s top-tier High Country trim. That makes the Sierra 2500HD appealing to buyers who want serious truck capability without giving up a more premium cabin experience.

It is also well equipped for a truck in this class. The Sierra 2500HD offers Bluetooth, Android Auto, Apple CarPlay, and Wi-Fi hotspot accessibility through the GMC infotainment system, along with available remote keyless entry and rear-seat reminders. Higher trims can add a Bose premium audio system, power-adjustable front seats, chrome grille trim, dual-zone automatic climate control, and power-folding tailgate options. For buyers who want a heavy-duty truck that can be configured for work, comfort, or off-road use, the Sierra 2500HD’s trim spread and available equipment are major strengths.

Under the bonnet, the Sierra 2500HD comes with a 6.6-litre V8 gas engine paired with a six-speed automatic transmission, and it is also available with a 6.6-litre Duramax turbodiesel V8 engine and a 10-speed automatic transmission from Allison. Rear- and four-wheel drive are available, and the AT4 models add off-road hardware and accessories such as skid plates, off-road suspension upgrades, and a more robust transfer case. The main caution is that fourth-generation versions have numerous reported problems, including check engine lights, infotainment sluggishness, rough or delayed shifts, electrical glitches, MultiPro tailgate issues, and faulty trailer brake controllers, so used shoppers should inspect carefully.

Other model years to consider

• 2025 GMC Sierra 2500HD
  • Average price: $87,984 CAD
  • Good/great deal percentage: 30.1%
  • User rating: 5 / 5
  • Total listings: 186
• 2024 GMC Sierra 2500HD
  • Average price: $77,831 CAD
  • Good/great deal percentage: 31.7%
  • User rating: 4.2 / 5
  • Total listings: 205
• 2021 GMC Sierra 2500HD
  • Average price: $57,466 CAD
  • Good/great deal percentage: 26.7%
  • User rating: 5 / 5
  • Total listings: 75

Similar models to consider

• 2026 Ford F-250 Super Duty
  • Average price: $91,789 CAD
  • Good/great deal percentage: 30.1%
  • User rating: 5 / 5
  • Total listings: 73
• 2026 RAM 2500
  • Average price: $86,011 CAD
  • Good/great deal percentage: 27.1%
  • User rating: 5 / 5
  • Total listings: 155
• 2026 Chevrolet Silverado 2500HD
  • Average price: $84,841 CAD
  • Good/great deal percentage: 31.5%
  • User rating: 5 / 5
  • Total listings: 127

This analysis is based on CarGurus' proprietary market data from November 2, 2026, CarGurus experts' opinions, and generative AI.