Used 2023 GMC Sierra 2500HD for Sale nearDenver, CO

How much does the 2023 GMC Sierra 2500HD cost?

Prices have softened 6.74% compared to this time last year, making it a favorable time to shop this model year.

There are 3,540 listings available, which gives you a meaningful amount of inventory to compare.

If you find a listing below $55,610.08, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2023 GMC Sierra 2500HD a good car?

Generally — 4/5 is a solid user rating for this model year, and it fits a truck that aims to blend heavy-duty capability with a more upscale presentation. The overview points to a broader trim range than the related Silverado 2500HD, plus premium-leaning Denali and Denali Ultimate versions that help the Sierra feel more upscale in this segment. It also gives you a wide spread of comfort and tech choices, along with multiple cab styles and bed lengths, so you can tailor it to work, family, or mixed-use needs. 28.0% of listings are priced as good or great deals, which suggests there are still some attractive opportunities if you shop carefully.

Is the 2023 GMC Sierra 2500HD reliable?

Owners rate it 4/5, a solid signal of long-term satisfaction.

The overview also points to a truck that combines serious capability with a broad set of configurations and available equipment, which can be a plus if you want a heavy-duty pickup that does more than basic work duty. At the same time, used buyers should pay close attention to reported fourth-generation issues, because unresolved problems can turn a capable truck into a costly ownership experience.

What should I look for when buying a used 2023 GMC Sierra 2500HD?

Accident-free inventory is solid at 89.1% — always verify the vehicle history report.

You should prioritize a pre-purchase inspection that focuses on the truck’s condition, especially if it has been used for towing or hard work. Pay close attention to the history report, then check for signs of electrical, transmission, infotainment, and tailgate-related issues during the test drive and walkaround. If the truck has higher miles or a long equipment list, make sure every feature works as expected before you commit.

Is now a good time to buy a used 2023 GMC Sierra 2500HD?

This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you stay disciplined.

• Deal availability: 28.0% of listings are priced as good or great deals.
• Inventory: There are 3,540 listings available.
• Price trend: Prices have softened 6.74% compared with last year.
• Clean inventory: 89.1% of listings are accident-free.

If you find a listing below $55,610.08, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2023 GMC Sierra 2500HD's resale value?

The current average of $55,644 sits slightly below last year's $59,667.

That price movement suggests the market has cooled enough to help you buy more selectively today, but it also means future sellers may need to price competitively to stand out. If you buy well now and keep the truck in strong condition, you can help protect your exit value later. Trucks with broad appeal and premium trims can still hold attention, especially when they’re presented cleanly and documented well.

Vehicles with solid owner satisfaction ratings, like this model year's 4/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2023 GMC Sierra 2500HD or consider a different year?

If you're weighing the 2023 against nearby model years, here's how to think about it:

Choose the 2023 if:

• 28.0% of listings are priced as good or great deals.
• Accident-free inventory is solid at 89.1% — always verify the vehicle history report.
• Price trend: Prices have softened 6.74% compared with last year.
• Owners rate it 4/5 — a solid satisfaction signal.

Consider the 2022 if:

• At $51,442, the 2022 costs less than the current year's $55,644 average.
• It offers strong capability with useful trailering tech.

Consider the 2024 if:

• At $67,203, the 2024 costs more than the current year's $55,644 average.
• It adds the Denali Ultimate and more luxury-focused capability.

The bottom line: The 2023 is the best all-around path if you want a strong mix of price, inventory, and upscale heavy-duty appeal. If your priority is saving money, the 2022 is the better secondary path; if you want the newest luxury-focused features and can pay more, the 2024 is the upgrade to consider.

These recommendations are based on CarGurus' proprietary market data from August 28, 2026, CarGurus experts' opinions, and generative AI.