Used 2019 GMC Sierra 3500HD for SaleNationwide

How much does the 2019 GMC Sierra 3500HD cost?

Prices have softened 5.07% compared to this time last year, making it a favorable time to shop this model year.

There are 408 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2019 GMC Sierra 3500HD a good car?

Yes — the 5/5 user rating points to strong owner satisfaction for this model year. The 2019 Sierra 3500HD’s appeal comes from its heavy-duty capability, with stronger towing and hauling ability than the Sierra 2500HD and Sierra 1500, plus a more refined cabin and upscale Denali trim availability. It also gives you a wide spread of cab, bed, axle, and trim choices, so you can shop for a truck that fits either work-first needs or a more premium heavy-duty setup. With 29.2% of listings marked as good or great deals, there is still some room to find value if you shop carefully.

Is the 2019 GMC Sierra 3500HD reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction. The 2019 Sierra 3500HD was built around a commercial-grade mission, and its appeal centers on serious capability and a more polished feel than a pure work truck. At the same time, this generation had more recalls than normal, so used buyers should pay close attention to service history and confirm that any open issues have been addressed before committing.

What should I look for when buying a used 2019 GMC Sierra 3500HD?

At 74% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and confirm whether any accident damage affected the frame, suspension, or towing hardware. A pre-purchase inspection should focus on signs of hard use, especially if the truck was used for towing or commercial work. Pay close attention to overall condition, because trim level and body style can have a big effect on what you’re actually getting for the money.

Is now a good time to buy a used 2019 GMC Sierra 3500HD?

This is a moderate market, so you can be selective without expecting every listing to be a bargain.

• Deal availability: 29.2% of listings are priced as good or great deals.
• Inventory: There are 408 listings available.
• Price trend: Prices have softened 5.07% compared with last year.
• Clean inventory: 74.0% of listings are accident-free.

If you find a listing below $41,939, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2019 GMC Sierra 3500HD's resale value?

The current average of $43,871 sits slightly below last year's $46,211.

That decline suggests the market has eased, which can help you buy at a more favorable entry point today. For a future seller, it also means resale value will depend heavily on condition, mileage, and how well the truck has been maintained. Heavy-duty trucks with broad capability can still hold buyer interest, but the best-kept examples usually command the strongest attention when it’s time to sell.

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 2019 GMC Sierra 3500HD or consider a different year?

If you're weighing the 2019 against nearby model years, here's how to think about it:

Choose the 2019 if:

• 29.2% of listings are priced as good or great deals.
• At 74% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 5.07% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line: If you want the 2019 specifically, it makes sense as the primary choice when you value its updated styling, heavy-duty capability, and more refined cabin. If you’re 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 29, 2026, CarGurus experts' opinions, and generative AI.