New GMC Sierra 2500HD for Sale nearNepean, 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 $70,007 CAD, and its lowest point over the past year was $66,505 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 — it earns strong owner approval across the lineup and is consistently praised for power, towing ability, comfort, and a premium-feeling cabin. The all-generations owner rating is 4.49/5 across every model year in the data.

Owners repeatedly highlight the Sierra 2500HD's strong performance, towing capability, and comfortable ride. They also tend to value its upscale features and professional-grade character, especially when the truck is used for both work and everyday driving.

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

The main trade-offs across recent expert-reviewed years centre on fuel use, parking bulk, and pricing, especially in higher trims.

28.2% of listings are priced as good or great deals.

Are GMC Sierra 2500HD models reliable?

Owners and experts consistently praise the Sierra 2500HD for its strong power delivery, towing confidence, and comfortable ride. Across the model years in the data, it also earns repeat praise for premium-feeling features and a work-ready character that suits heavy-duty use.

• 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, especially on higher-mileage trucks and models with reported electrical, infotainment, or transmission concerns.

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 entry trim gives you the Sierra HD foundation and is the starting point if you want the most accessible path into the lineup.
• SLE: This is the value-focused step up for buyers who want a broader equipment mix while staying away from the upper luxury trims.
• SLT: A strong middle-ground choice that adds more comfort and convenience equipment for buyers who want a more polished daily experience.
• AT4: The off-road-oriented trim adds skid plates, off-road suspension upgrades, and a more robust transfer case.
• Denali: This trim brings a more luxurious cabin focus and is aimed at buyers who want a premium heavy-duty truck feel.
• AT4X: The upgraded off-road trim adds even more capability-focused hardware for buyers who want a more rugged setup.
• Denali Ultimate: The top trim adds the 13.4-inch screen, wireless Apple CarPlay and Android Auto, Google built-in, a 12-speaker Bose surround-sound audio system, the ProGrade trailering system, and standard safety and camera features; it is the best fit if you want the most fully equipped Sierra 2500HD.

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 attract the most shoppers because they offer a broad mix of availability, newer features, and a wide spread of prices. That gives you more room to compare trims, mileage, and condition before you buy.

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

Most model years in the table are down year over year, which is helpful if you're shopping used and want to benefit from softer pricing. A few years are holding closer to flat or moving up, so the pattern is mixed rather than uniform across the lineup.

The 2021 model year is holding steady, with prices close to flat year-over-year.

The 2016, 2020, and 2021 model years have held their value best, with the smallest year-over-year price changes.

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 −7.98% versus a year ago, and the 2024 model is at −6.93%.
• Deal availability: The 2025 model has 29.8% 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 $77,364 CAD. The GMC Sierra 2500HD offers a premium-feeling cabin and strong towing-focused character that make it appealing across the lineup.

Consider waiting if:

• Powertrain/efficiency: The 6.6-litre Duramax turbocharged diesel V8 produces 470 horsepower and 975 lb-ft of torque, and it is paired with a 10-speed Allison automatic transmission and standard four-wheel drive (4WD).
• Tech: The Denali Ultimate features a 13.4-inch screen, 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.
• 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 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 20, 2026, CarGurus experts' opinions, and generative AI.