Used GMC Sierra 2500HD for Sale near Connaught, ON

How much does the GMC Sierra 2500HD cost in today's market?

Used GMC Sierra 2500HD prices span a wide range depending on model year. Here's what the market looks like right now:

The GMC Sierra 2500HD's current nationwide average price is $69,455 CAD, and its lowest point over the past year was $66,728 CAD. Recently, prices have come down for the 2023, 2024, and 2025 models, making now a good time to shop recent model years.

Is the GMC Sierra 2500HD a good car?

Yes — the GMC Sierra 2500HD earns strong marks from owners across the full model range, and its appeal is anchored by a 4.49/5 all-generations user rating. Owners repeatedly praise its power, towing capability, comfortable ride, and premium-feeling features, while the newer model years add a more upscale cabin and a broader spread of technology. Expert reviews rate the 2024 and 2022 models among the highest across all years. The main trade-offs are fuel use, parking bulk, and the higher pricing that comes with the more luxurious trims. 31.3% of listings are priced as good or great deals.

Are GMC Sierra 2500HD models reliable?

Owners consistently praise the Sierra 2500HD for strong performance, towing ability, comfort, and a premium-feeling feature set. Expert commentary also points to a truck that blends serious capability with a more upscale presentation, especially in newer model years.

• Owners rate the GMC Sierra 2500HD between 3.5 and 5.0 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is shaped by the model year you choose, with some years carrying more reported quality concerns than others.

What should I look for when buying a used GMC Sierra 2500HD?

Key things to evaluate:

• Safety package: GMC Sierra HD standard safety features include automatic emergency braking, forward collision warning, pedestrian detection, and lane departure warning, while the Denali Ultimate adds front and rear parking sensors, a surround-view parking camera, adaptive cruise control, rear cross-traffic alert, blind-spot monitoring, and a rear-facing cargo bed camera.
• Infotainment: The Denali Ultimate features a 13.4-inch screen with wireless Apple CarPlay and Android Auto connectivity, a wireless device charging pad, Google built-in, a 12-speaker Bose surround-sound audio system, and split-screen navigation.
• Fuel efficiency: During long highway stints the Duramax diesel dipped as low as 11.2 litres per 100 kilometres, and at suburban/city speeds economy ratings crested well beyond 20 L/100 km.

Which GMC Sierra 2500HD trim should I buy?

The 2024 GMC Sierra 2500HD offers these trims:

• Pro: The entry trim for buyers who want the Sierra HD’s core work-truck character.
• SLE: Adds more everyday convenience and is a sensible step up for shoppers balancing value and equipment.
• SLT: A stronger choice if you want a more upscale feel and broader comfort equipment.
• AT4: The off-road-oriented trim with skid plates, off-road suspension upgrades, and a more robust transfer case.
• Denali: The luxury-focused trim for buyers who want a more premium cabin and presentation.
• AT4X: The upgraded off-road trim for shoppers who want the AT4’s hardware taken further.
• Denali Ultimate: The top trim, with the most luxury, technology, and trailering equipment; best for buyers who want the most complete version of the truck.

What GMC Sierra 2500HD do most buyers choose?

The GMC Sierra 2500HD years with the most listings are 2024, 2023, and 2025.

These higher-volume years tend to be the most popular used picks because they give you more inventory to compare, more pricing spread, and more chances to find the trim and configuration you want. They also line up with the newer generations that many shoppers target for their stronger mix of capability, comfort, and technology.

What is the GMC Sierra 2500HD's resale value?

Most model years in the table are moving lower year over year, which creates better opportunities for used buyers. A few years are rising, though, so the market is not moving in one direction across the board. The sharpest declines are concentrated in the newer and some older years, while a handful of model years are showing modest gains.

The 2020 model year is holding steady, with prices close to flat year-over-year.

The 2016, 2018, and 2021 model years have held their value best, with prices flat to rising year-over-year.

Is the GMC Sierra 2500HD safe?

• 2024: 9/10
• 2022: 8/10

The GMC Sierra HD comes standard with automatic emergency braking, forward collision warning, pedestrian detection, and lane departure warning. For the safest used buy, the 2024 model posts the highest confirmed score of 9/10.

Should I buy a used GMC Sierra 2500HD now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −10.57% versus a year ago, and the 2024 model is at −8.06%.
• Deal availability: The 2025 model has 34.6% good and great deals, and the 2024 model has 30.8%.
• Sweet-spot year: The 2024 model has the most listings at a current average price of $78,466 CAD. The GMC Sierra 2500HD offers a premium-feeling cabin and a strong work-truck presence that make it appealing across the lineup.

Consider waiting if:

• Powertrain/efficiency: The latest model pairs a 6.6-litre Duramax turbocharged diesel V8 with 470 horsepower and 975 lb-ft of torque, plus a 10-speed Allison automatic transmission and standard four-wheel drive.
• Tech: The latest model features a 13.4-inch screen, a 15-inch multi-colour head-up display, wireless Apple CarPlay and Android Auto connectivity, wireless device charging, Google built-in, and a 12-speaker Bose surround-sound audio system.
• Safety: The latest model adds front and rear parking sensors, a surround-view parking camera, adaptive cruise control, rear cross-traffic alert, blind-spot monitoring, and a rear-facing cargo bed camera.
• Starting price: The latest model has a base price of $125,630 CAD.

If you're buying used today, the 2024 model year offers the best mix of value and availability. If you want the latest tech and features, it may be worth waiting for the next model year's inventory to build up.

These recommendations are based on CarGurus' proprietary market data from October 6, 2026, CarGurus experts' opinions, and generative AI.