Used GMC Sierra 2500HD for Sale near Poole, 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 $69,609 CAD, and its nationwide average price reached a low of $66,674 CAD over the past year. 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 is a strong choice if you want heavy-duty capability with a more comfortable, better-equipped cabin. The all-generations owner rating is 4.49/5 across every model year in the data.

Owners consistently praise its power, towing capability, and comfortable ride, and they also value the upscale features and strong performance that make it feel more polished than a basic work truck. Across the model years, the Sierra 2500HD is repeatedly described as a truck that handles demanding jobs while still delivering a refined, comfortable experience.

Expert reviews rate the 2024 and 2022 models among the highest across all years.

The main trade-offs centre on fuel economy, pricing, and ownership concerns such as reliability issues, infotainment glitches, rough shifting, and tailgate or trailer-brake problems in some years. Even so, the Sierra 2500HD remains appealing if you want serious towing strength and a premium-feeling heavy-duty pickup.

24.3% of listings are priced as good or great deals.

Are GMC Sierra 2500HD models reliable?

Owners consistently praise the GMC Sierra 2500HD for its power, towing strength, comfort, and strong overall performance. Expert impressions also point to a truck that feels refined and capable, especially in newer versions with more premium equipment.

• 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 best managed by checking service history carefully and paying close attention to known trouble spots such as electronics, shifting behaviour, and trailering hardware.

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. At suburban/city speeds, however, we routinely saw economy ratings crest well beyond 20 L/100 km.

Which GMC Sierra 2500HD trim should I buy?

The 2024 GMC Sierra 2500HD offers these trims:

• Pro: The work-focused starting point, available with regular cab or double cab body styles.
• SLE: A value-oriented step up that also comes with regular cab or double cab body styles.
• SLT: A more upscale choice that moves into crew cab-only territory.
• AT4: The off-road-oriented trim, with 4WD standard and a rugged setup for buyers who want extra capability.
• Denali: The luxury-focused trim with premium cabin features and crew cab-only packaging.
• AT4X: The upgraded off-road trim, adding even more capability-focused hardware.
• Denali Ultimate: The top trim, with the most luxury content, standard 4WD, and the broadest feature set.

What GMC Sierra 2500HD do most buyers choose?

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

These higher-volume years tend to be the most popular because they give you more inventory to compare, which can make it easier to find the right trim, price, and condition. They also tend to attract shoppers looking for newer features and broader availability.

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

Most model years in the table are down year over year, which can work in your favour if you’re shopping used. A few older years are moving up, showing that some Sierra 2500HD versions continue to command stronger prices. The biggest drops are concentrated in the newer model years, which can create better opportunities for buyers targeting recent trucks.

The 2016, 2018, and 2017 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, 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.

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 −10.2% versus a year ago, and the 2024 model is at −8.06%.
• Deal availability: The 2025 model has 24.7% good and great deals, and the 2024 model has 24.3%.
• Sweet-spot year: The 2023 model has the most listings at a current average price of $67,232 CAD. The GMC Sierra 2500HD offers a more upscale cabin and a broad spread of comfort and technology features that make it feel polished for a heavy-duty truck.

Consider waiting if:

• Powertrain/efficiency: The 6.6-litre Duramax turbocharged diesel V8 produces 470 horsepower and 975 lb-ft of torque, and the 10-speed Allison automatic transmission works with standard four-wheel drive (4WD).
• Tech: This includes a 13.4-inch screen, a 15-inch multi-colour head-up display, wireless Apple CarPlay and Android Auto connectivity, wireless device charging pad, Google built-in, 12-speaker Bose surround-sound audio system, and split-screen navigation.
• Safety: 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.
• Starting price: The 2024 GMC Sierra 2500 Denali Ultimate heavy-duty pickup truck has a base price of $125,630 CAD.

If you're buying used today, the 2023 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 September 29, 2026, CarGurus experts' opinions, and generative AI.