Used 2024 GMC Sierra 2500HD for Sale nearKingston, ON

How much does the 2024 GMC Sierra 2500HD cost?

Prices have softened 7.63% compared to this time last year, making it a favourable time to shop this model year.

There are 205 listings available, which suggests you have a reasonable amount of inventory to compare.

Is the 2024 GMC Sierra 2500HD a good car?

Generally — the 2024 GMC Sierra 2500HD earns a 4.2/5 user rating and an 8/10 expert rating, which points to strong overall appeal for heavy-duty truck shoppers. The model scores 9/10 across Technology and Safety.

Owners consistently praise its capability, impressive features, professional-grade character, and the value it offers. The trade-offs are a thirst for fuel and a barge-like feel when parking, while the truck’s upscale mission is best suited to you if you want maximum towing and payload capability without giving up a luxury-oriented cabin.

With 30.2% of listings priced as good or great deals, the market still offers some room to shop selectively.

Is the 2024 GMC Sierra 2500HD reliable?

Owners rate it 4.2/5, a solid signal of long-term satisfaction.

Owner feedback points to a truck that feels capable, dependable, and built for buyers who want something they can count on for serious work. The expert assessment also highlights a refined powertrain and strong mechanical hardware that support heavy-duty use.

For used buyers, the main long-term ownership risk is that heavy-duty capability and premium equipment can make repairs and upkeep more expensive if the truck has been worked hard.

What should I look for when buying a used 2024 GMC Sierra 2500HD?

Key things to evaluate:

• Trim level: The Denali Ultimate is the top trim and brings nearly every available option, plus standard LED headlights and taillights, sequential turn signals, the MultiPro Tailgate, and a six-passenger Crew Cab layout. Lower trims do not get the same luxury-focused equipment, so you should check whether the features you want are standard or optional.
• Powertrain: This version is powered exclusively by a 6.6-litre Duramax turbocharged diesel V8 with a 10-speed Allison automatic transmission and standard 4WD. It also includes a locking rear differential, two-speed transfer case, all-terrain tires, heavy-duty air filter, underbody skid plates, hill descent control, and a diesel exhaust brake.
• Safety package: The Sierra HD comes standard with automatic emergency braking, forward collision warning, pedestrian detection, and lane departure warning. On the Denali Ultimate, 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 are standard.
• Infotainment: You get a 13.4-inch screen, a 15-inch multi-colour head-up display, wireless Apple CarPlay and Android Auto, wireless device charging, 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, while suburban and city driving routinely climbed well beyond 20 L/100 km.

Which 2024 GMC Sierra 2500HD trim should I buy?

The 2024 GMC Sierra 2500HD is offered in 7 trim levels: Pro, SLE, SLT, AT4, Denali, AT4X, and Denali Ultimate.

Here's the short version:

• Pro: This is the entry point, but the available information here focuses on the higher trims, so you should treat it as the most basic route if you mainly want the Sierra HD nameplate and plan to add equipment carefully.
• SLE: Like the Pro, this trim sits below the luxury and off-road-focused versions, so it makes sense if you want to keep costs down and do not need the Denali-style cabin or the AT4 hardware.
• SLT: This is the first trim in the range where you should expect a more upscale direction than the work-focused lower trims, making it a sensible middle ground if you want more comfort without going all the way to Denali pricing.
• AT4: This is the off-road-oriented choice, with the lineup note that AT4 and above get 4WD standard. It suits you if you want the tougher hardware and a more adventure-ready setup.
• Denali: This is the luxury-focused trim for buyers who want a premium cabin and upscale feel without stepping all the way to the top.
• AT4X: This is the upgraded off-road trim, so it is the one to consider if you want the most rugged character in the range.
• Denali Ultimate: This is the best-value choice if you want the most complete version of the truck’s luxury, technology, and towing-focused equipment. It is the top of the line-up and comes with the most comprehensive feature set.

From a safety-package standpoint, the Denali Ultimate is the trim where the full suite of parking sensors, cameras, adaptive cruise control, blind-spot monitoring, and rear cross-traffic alert is standard.

Is now a good time to buy a used 2024 GMC Sierra 2500HD?

This is a moderate, selective buyer’s market, so you can shop with some leverage if you are patient and compare listings carefully.

• Deal availability: 30.2% of listings are priced as good or great deals.
• Inventory: There are 205 listings available.
• Price trend: Prices have softened 7.63% compared with last year.

If you find a listing below $76,712 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2024 GMC Sierra 2500HD's resale value?

The current average of $77,981 CAD sits slightly below last year's $84,420 CAD.

That price movement suggests the market has already adjusted downward, which can help you as a buyer today but may limit upside for a future seller if prices stay soft. If you own one, the truck’s premium trim positioning and heavy-duty capability should still support demand among shoppers who need serious towing and hauling ability. The strongest resale prospects will likely belong to well-kept examples with desirable equipment and clear service history.

Vehicles with solid owner satisfaction ratings, like this model year's 4.2/5, tend to retain buyer demand, which supports resale value over time.

Is the 2024 GMC Sierra 2500HD safe?

The 2024 GMC Sierra 2500HD earns a 9/10 safety score from our experts.

It comes standard with automatic emergency braking, forward collision warning, pedestrian detection, and lane departure warning. On the Denali Ultimate, 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 are standard as well.

One practical caveat is that some of the most useful driver-assistance and parking features are not standard on every trim, so you should confirm exactly which equipment is included on the truck you are considering.

Should I buy a 2024 GMC Sierra 2500HD or consider a different year?

If you're weighing the 2024 against nearby model years, here's how to think about it:

Choose the 2024 if:

• 30.2% of listings are priced as good or great deals.
• Price trend: Prices have softened 7.63% compared with last year.
• Owners rate it 4.2/5 — a solid satisfaction signal.
• The Denali Ultimate is newly added for 2024 and brings nearly every available option to the top of the range.

The bottom line: If you want the most up-to-date version of this heavy-duty truck’s luxury-focused formula, the 2024 is the one to target. If your priority is stretching your budget further, a nearby model year may still make sense, but the 2024 stands out if you want the newest top-trim equipment and a market that has already softened from last year.

These recommendations are based on CarGurus' proprietary market data from October 13, 2026, CarGurus experts' opinions, and generative AI.