Used GMC Sierra 2500HD for Sale nearSan Marcos, CA

How much does the GMC Sierra 2500HD cost in today's market?

Used GMC Sierra 2500HD prices span a wide range depending on model year. Here's what the market looks like right now:

The GMC Sierra 2500HD's current nationwide average price is $58,110, and its nationwide average price reached a low of $55,392 over the past year. Recently, prices have come down for the 2023, 2024, and 2025 models, making now a good time to shop recent model years.

Is the GMC Sierra 2500HD a good car?

Yes — the GMC Sierra 2500HD earns strong marks from owners across the lineup, especially for power, towing ability, and a comfortable ride. The all-generations owner rating is 4.49/5 across every model year in the data.

Owners repeatedly praise the truck’s strong performance, towing capability, and comfortable cabin, and they also highlight its smooth handling and premium-feeling features. Across the model years, the Sierra 2500HD is especially appealing if you want a heavy-duty truck that feels well equipped for both work and everyday driving.

Expert reviews rate the 2020 and 2024 models among the highest across all years.

The main trade-offs that come up in expert reviews are fuel thirst, high pricing, and a bulky feel in tight spaces, along with some years that bring quality and infotainment concerns.

29.8% of listings are priced as good or great deals.

Are GMC Sierra 2500HD models reliable?

Owners consistently praise the Sierra 2500HD for strong performance, towing ability, and a comfortable ride, and expert coverage also points to its capable, premium-leaning character. Across the model years, that combination makes it a truck many buyers trust for demanding use.

• Owners rate the GMC Sierra 2500HD between 3.5 and 5.0 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is worth checking carefully on older examples, especially if you want a truck with a clean history and a well-documented maintenance record.

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

Across all model years, accident-free inventory is solid at 84.6% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2021 models.

Key things to evaluate:

• Safety package: the 2024 HD Denali Ultimate includes automatic emergency braking, forward collision warning, lane departure warning, front and rear parking sensors, a surround-view parking camera, pedestrian detection, rear cross-traffic alert, blind-spot monitoring, and a rear-facing cargo bed camera.
• Infotainment: the 2024 HD Denali Ultimate features a 13.4-inch screen with wireless Apple CarPlay and Android Auto, Google built-in, wireless device charging, and split-screen navigation.

Which GMC Sierra 2500HD trim should I buy?

The 2024 GMC Sierra 2500HD offers these trims:

• Denali Ultimate: This is the top luxury-focused trim, with a 13.4-inch screen, wireless Apple CarPlay and Android Auto, a 15-inch head-up display, a 12-speaker Bose surround-sound audio system, split-screen navigation, standard four-wheel drive, a diesel exhaust brake, skid plates, hill descent control, and the MultiPro Tailgate. It suits you if you want the most upscale cabin and the strongest feature set.
• Denali: This trim brings a premium cabin focus with upscale presentation and luxury-oriented equipment.
• AT4X: This trim adds off-road hardware and accessories, including skid plates, off-road suspension upgrades, and a more robust transfer case.
• AT4: This trim adds off-road hardware and accessories, including skid plates, off-road suspension upgrades, and a more robust transfer case.
• SLT: This trim gives you a strong mix of comfort and utility, making it a smart value choice if you want a well-equipped heavy-duty truck without moving to the top luxury trims.
• SLE: This trim is the practical step into the lineup, giving you a straightforward heavy-duty setup with useful equipment.
• Pro: This trim is the entry point for buyers who want the Sierra 2500HD’s core capability in a simpler package.

What GMC Sierra 2500HD do most buyers choose?

The GMC Sierra 2500HD years with the most listings are 2025, 2024, and 2023.

These higher-volume model years tend to be the most popular used picks because they give you the broadest selection of listings and a strong mix of pricing and deal availability. That usually makes it easier to compare trims, equipment, and condition before you buy.

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

Most model years are down year over year, which is good news if you’re shopping used and want more room to find value. The biggest drops are in the double-digit range, while a few years have declined more modestly and one has held up especially well relative to the rest.

The 2018, 2020, and 2016 model years have held their value best, with the smallest year-over-year price changes.

Is the GMC Sierra 2500HD safe?

• 2024: 9/10
• 2022: 8/10
• 2020: 8/10

The 2024 HD Denali Ultimate comes standard with automatic emergency braking, forward collision warning, lane departure warning, front and rear parking sensors, a surround-view parking camera, pedestrian detection, rear cross-traffic alert, blind-spot monitoring, and a rear-facing cargo bed camera.

For the safest used buy, the 2024 model posts the highest confirmed score of 9/10.

Should I buy a used GMC Sierra 2500HD now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −7.42% versus a year ago, and the 2024 model is at −6.93%.
• Deal availability: The 2025 model has 31.6% good and great deals, and the 2024 model has 31.7%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $72,784. The GMC Sierra 2500HD offers a premium-leaning cabin and strong towing-focused character that make it appealing across model years.

Consider waiting if:

• Powertrain/efficiency: The latest model pairs a 6.6-liter gas V8 with a six-speed automatic or a 6.6-liter Duramax turbodiesel V8 with a 10-speed Allison automatic, and it also brings standard four-wheel drive on the tested trim.
• Tech: The latest model adds a 13.4-inch screen, a 15-inch head-up display, wireless Apple CarPlay and Android Auto, wireless device charging, Google built-in, and split-screen navigation.
• Safety: The latest model adds automatic emergency braking, forward collision warning, lane departure warning, front and rear parking sensors, a surround-view parking camera, pedestrian detection, rear cross-traffic alert, blind-spot monitoring, and a rear-facing cargo bed camera.
• Starting price: The latest model has a starting price of approximately $94,000.

If you're buying used today, the 2025 model year offers the best mix of value and availability. If you want the latest tech and features, it may be worth waiting for the next model year's inventory to build up.

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