New GMC Sierra 2500HD for Sale near Rockwood, 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 $67,661 CAD, and its lowest point over the past year was $66,571 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 owner approval across the full model-year range in the data, and it is especially appealing if you want heavy-duty strength with a more upscale presentation.

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. They also frequently highlight its luxury-leaning features and the way it balances work use with everyday comfort.

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

The main trade-offs centre on fuel economy, parking manoeuvrability, and pricing, especially on higher-spec versions. Even so, the truck’s capability and cabin polish make it a compelling used pick if those priorities matter to you.

32.2% of listings are priced as good or great deals.

Are GMC Sierra 2500HD models reliable?

Owners and experts consistently point to the GMC Sierra 2500HD’s strong power, towing ability, and comfortable ride as core strengths. The truck also earns praise for its premium-feeling features and overall usefulness for both work and daily driving.

• 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 focusing on trucks that have been maintained consistently.

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

Key things to evaluate:

• Safety package: automatic emergency braking, forward collision warning, pedestrian detection, lane departure warning, 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: a 13.4-inch screen with 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
• 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: A work-focused starting point that suits buyers who want the Sierra HD’s core capability in its most straightforward form.
• SLE: Adds more everyday convenience and is a sensible value choice for shoppers who want a better-equipped truck without moving too far up the range.
• SLT: Brings a more upscale feel and is a strong fit if you want a nicer cabin and broader feature content.
• AT4: Adds off-road-oriented hardware and standard 4WD, making it the trim to consider if you want rugged capability built in.
• Denali: Focuses on luxury cabin features and suits buyers who want a premium heavy-duty truck experience.
• AT4X: Builds on the off-road theme with upgraded off-road trim content and standard 4WD.
• Denali Ultimate: The top trim, with the most lavish equipment, the Crew Cab body, the MultiPro Tailgate, and the broadest mix of luxury and technology features.

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 used picks because they give you the broadest selection of listings and the newest feature sets. They also tend to attract shoppers who want a more recent truck while still keeping plenty of inventory to compare.

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

Most model years in the table are down year over year, which creates more room for used buyers to find value. A few older years are moving in the opposite direction, showing that some trucks are still holding or gaining value.

The 2015 model year is holding steady, with prices close to flat year-over-year.

The 2016, 2018, and 2015 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 2024 GMC Sierra 2500HD Denali Ultimate comes standard with automatic emergency braking, forward collision warning, pedestrian detection, lane departure warning, 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 −14.9% versus a year ago, and the 2024 model is at −7.44%.
• Deal availability: The 2025 model has 31.8% good and great deals, and the 2024 model has 30.8%.
• Sweet-spot year: The 2023 model has the most listings at a current average price of $67,629 CAD. The GMC Sierra 2500HD offers a more upscale presentation than many rivals, which helps it feel especially appealing if you want heavy-duty capability with a premium edge.

Consider waiting if:

• Powertrain/efficiency: The 6.6-litre Duramax turbocharged diesel V8 produces 470 horsepower and 975 lb-ft of torque.
• Tech: The Denali Ultimate features a 13.4-inch screen, 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 11, 2026, CarGurus experts' opinions, and generative AI.