Used 2024 GMC Sierra 3500HD for Sale near Ontario

How much does the 2024 GMC Sierra 3500HD cost?

Prices have softened 6.37% compared to this time last year, making it a favourable time to shop this model year.

There are 203 listings available, which suggests a healthy amount of inventory for you to compare.

Is the 2024 GMC Sierra 3500HD a good car?

Yes — 5/5 is a strong user rating for the 2024 GMC Sierra 3500HD. The overview points to a heavy-duty pickup that gives you serious work capability while still offering a more polished feel than a bare-bones truck, plus a wide range of cab, bed, rear-axle, and trim configurations. That makes it a practical fit if you want a truck that can be set up for hard labour, long-distance towing, or a more upscale daily-driving experience. 25.6% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2024 GMC Sierra 3500HD reliable?

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

The overview suggests a truck built around serious capability and a broad configuration range, which can be a plus if you need a purpose-built heavy-duty pickup. For used buyers, the main long-term ownership risk is making sure the specific truck you choose matches your towing and hauling needs without stretching into a configuration that is more truck than you actually require.

Is now a good time to buy a used 2024 GMC Sierra 3500HD?

This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you are patient and focused.

• Deal availability: 25.6% of listings are priced as good or great deals.
• Inventory: There are 203 listings available.
• Price trend: Prices have softened 6.37% compared with last year.

If you find a listing below $80,843 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2024 GMC Sierra 3500HD's resale value?

The current average of $82,113 CAD sits slightly below last year's $87,699 CAD.

That price movement suggests the market has eased, which can make the truck more attractive to you as a buyer today. For a future seller, softer current pricing can mean less immediate upside if you plan to resell soon. Even so, a model with strong capability and broad appeal can still hold attention when it is configured well and maintained properly.

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

Should I buy a 2024 GMC Sierra 3500HD 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:

• 25.6% of listings are priced as good or great deals.
• Price trend: Prices have softened 6.37% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line: If you want the strongest mix of current pricing, broad configuration choice, and a well-regarded ownership experience, the 2024 is the primary year to target. If you are especially price-sensitive, you should also compare nearby model years to see whether a lower asking price outweighs the 2024’s refreshed features and softer market trend.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.