Used 2017 GMC Sierra 2500HD for SaleNationwide

How much does the 2017 GMC Sierra 2500HD cost?

Prices have softened 2.83% compared to this time last year, making it a favorable time to shop this model year.

There are 638 listings available, which gives you a solid amount of inventory to compare before you buy.

Is the 2017 GMC Sierra 2500HD a good car?

The 2017 GMC Sierra 2500HD stands out as a heavy-duty pickup that blends work-truck capability with a more upscale feel than many rivals. GMC’s broader range of trim levels and upscale options gives you more flexibility than the related Silverado 2500HD, and the Denali and Denali Ultimate trims are positioned as especially luxurious choices.

It also gives you a fairly wide spread of body styles and bed lengths, plus available features like forward-collision warning, lane-departure warning, adaptive cruise control, a 110-volt AC household-style power outlet, and an eight-inch infotainment touchscreen. If you want a heavy-duty truck with more comfort and technology than the norm, that combination can make this model appealing.

26.0% of listings are priced as good or great deals, which suggests there are still some worthwhile opportunities if you shop carefully.

Is the 2017 GMC Sierra 2500HD reliable?

The 2017 GMC Sierra 2500HD has a mixed reliability profile. It offers the kind of capability and upscale equipment that can make it attractive for long-term use, but it is also associated with electrical problems tied to wiring and sensors, hard-shifting automatic transmissions, glitchy infotainment software and interfaces, and signs of poor build quality such as inconsistent panel gaps, peeling paint, and premature rusting.

That means you should treat a used example as a truck that can serve you well only if it has been maintained carefully and inspected thoroughly. For long-term ownership, the biggest risk is buying one with hidden electrical, transmission, or corrosion issues that can become expensive after the sale.

What should I look for when buying a used 2017 GMC Sierra 2500HD?

At 69% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and then prioritize a pre-purchase inspection from a mechanic who knows heavy-duty trucks. Focus closely on electrical operation, transmission behavior, infotainment function, panel alignment, paint condition, and any signs of rust or previous body repair.

Is now a good time to buy a used 2017 GMC Sierra 2500HD?

This is a moderate, selective buyer’s market, so you have room to be picky without waiting forever for the right truck.

• Deal availability: 26.0% of listings are priced as good or great deals.
• Inventory: There are 638 listings available.
• Price trend: Prices have softened 2.83% compared with last year.
• Clean inventory: 69.0% of listings are accident-free.

If you find a listing below $34,244, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2017 GMC Sierra 2500HD's resale value?

The current average of $34,597 sits slightly below last year's $35,604.

That tells you the market has eased a bit, which can help you as a buyer today but may also temper what you can expect later if you resell. If you plan to own the truck for a while, the current pricing suggests you are not buying at a peak, but future resale will still depend heavily on condition, mileage, and maintenance history.

Should I buy a 2017 GMC Sierra 2500HD 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:

• 26.0% of listings are priced as good or great deals.
• At 69% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 2.83% compared with last year.

The bottom line: The 2017 is a good fit if you want the Sierra 2500HD’s upscale feel, broad trim spread, and available tech at a price that has eased a bit. If you are especially price-sensitive, you may want to compare nearby years and focus on the cleanest, best-documented truck rather than chasing the newest badge alone.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.