Used 2017 GMC Sierra 3500HD for Sale nearDenver, CO

How much does the 2017 GMC Sierra 3500HD cost?

Prices have softened 10.78% compared to this time last year, making it a favorable time to shop this model year.

There are 252 listings available, which gives you a solid pool of trucks to compare by trim, cab style, and equipment.

Is the 2017 GMC Sierra 3500HD a good car?

Yes — the 5/5 user rating points to strong owner satisfaction. The overview shows a heavy-duty truck that balances serious towing and hauling ability with a more refined cabin than earlier versions, so you get work-truck strength without giving up all comfort. It also highlights a wide range of configurations and upscale available features, which makes it easier to match the truck to your needs. With 30.6% of listings marked as good or great deals, the market still offers some attractive buying opportunities.

Is the 2017 GMC Sierra 3500HD reliable?

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

The overview also notes that recalls were a recurring issue across the run, so reliability for a used example depends heavily on whether the truck has been properly maintained and repaired. For long-term ownership, you should be especially careful about service records and recall completion, since heavy-duty trucks often see demanding use.

What should I look for when buying a used 2017 GMC Sierra 3500HD?

At 72.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report on any truck you’re seriously considering and confirm whether prior damage was repaired properly. Put inspection priority on frame condition, signs of hard towing or hauling, and wear that doesn’t match the mileage. Because this is a heavy-duty truck, you’ll want to focus on overall mechanical condition and evidence of consistent maintenance, not just appearance.

Is now a good time to buy a used 2017 GMC Sierra 3500HD?

This looks like a moderate, selective buyer’s market, so you can shop carefully and still find worthwhile options.

• Deal availability: 30.6% of listings are priced as good or great deals.
• Inventory: There are 252 listings available.
• Price trend: Prices have softened 10.78% compared with last year.
• Clean inventory: 72.2% of listings are accident-free.

If you find a listing below $37,791, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2017 GMC Sierra 3500HD's resale value?

The current average of $38,069 sits slightly below last year's $42,667.

That decline suggests the truck has become more accessible for used buyers, but it also means a future seller may need to price competitively to stand out. The good news is that the model’s heavy-duty capability and broad trim range help support demand, especially for well-equipped examples in strong condition. Trucks with cleaner histories and desirable configurations should hold value better than higher-mileage or heavily used examples.

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 2017 GMC Sierra 3500HD or consider a different year?

If you're weighing the 2017 against nearby model years, here's how to think about it:

Choose the 2017 if:

• 30.6% of listings are priced as good or great deals.
• At 72.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 10.78% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line: If you want the strongest mix of value, capability, and cabin refinement, the 2017 is the primary year to target. If your priority is simply finding the lowest entry price, a nearby year may be worth comparing, but you should still focus on condition, history, and equipment rather than chasing the cheapest badge alone.

These recommendations are based on CarGurus' proprietary market data from September 29, 2026, CarGurus experts' opinions, and generative AI.