Used GMC Sierra 2500HD for Sale nearStamford, CT

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 $57,033, and its lowest point over the past year was $55,343. 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, and the all-generations owner rating is 4.5/5 across every model year in the data.

Owners consistently praise its power, towing capability, and comfortable ride, and they also highlight the truck's upscale features and strong performance for both work and everyday use. Across the model years, the Sierra 2500HD stands out for blending heavy-duty strength with a more polished cabin and a broad feature set.

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

The main tradeoffs center on fuel economy, pricing, and some quality concerns in certain years, while the newest expert-tested model also brings a large footprint that can make parking and low-speed maneuvering more demanding.

30.4% of listings are priced as good or great deals.

Are GMC Sierra 2500HD models reliable?

Owners consistently praise the GMC Sierra 2500HD for its power, towing ability, smooth ride, and comfortable, well-equipped cabin. Expert coverage also points to strong performance and a refined feel in the newest tested model.

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

For used buyers, long-term ownership risk is best managed by checking service history carefully and focusing on trucks with clean records and thorough maintenance.

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

Across all model years, accident-free inventory is solid at 83.9% — 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: GMC’s active safety suite 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 Denali Ultimate features a 13.4-inch screen with wireless Apple CarPlay and Android Auto, plus Google built-in and split-screen navigation.

Which GMC Sierra 2500HD trim should I buy?

The 2024 GMC Sierra 2500HD offers these trims:

• Denali Ultimate: The top trim adds a 6.6-liter Duramax turbocharged diesel V8, a 10-speed Allison automatic transmission, standard four-wheel drive, a locking rear differential, skid plates, hill descent control, a diesel exhaust brake, a 13.4-inch screen, a 15-inch head-up display, wireless Apple CarPlay and Android Auto, wireless charging, Google built-in, a 12-speaker Bose surround-sound system, split-screen navigation, and GMC’s MultiPro Tailgate. It suits you if you want the most luxury, towing hardware, and tech in one truck.

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 years tend to draw more shoppers because they offer the broadest mix of availability, deal share, and recent-model features. That usually makes them easier to compare side by side when you're shopping used.

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

Most model years show negative year-over-year movement, which gives used buyers more room to shop than they had a year ago. The largest drops are concentrated in the newer and mid-cycle years, while the smaller changes cluster among the older model years. Overall, the table points to broad softening rather than value gains.

The 2019, 2020, and 2021 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 model adds a standard suite of 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 −9.05% versus a year ago, and the 2024 model is at −7.98%.
• Deal availability: The 2025 model has 32.3% good and great deals, and the 2024 model has 32.2%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $71,096. The GMC Sierra 2500HD offers a broad range of trims and a more upscale feel than many rivals.

Consider waiting if:

• Powertrain/efficiency: The latest model pairs a 6.6-liter Duramax turbocharged diesel V8 with 470 horsepower and 975 pound-feet of torque, plus a 10-speed Allison automatic transmission and standard four-wheel drive.
• Tech: The latest model adds a 13.4-inch screen, a 15-inch multi-color 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 $92,940.

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.

How does the 2025 GMC Sierra 2500HD compare to the 2025 Ford F-250 Super Duty?

These recommendations are based on CarGurus' proprietary market data from October 21, 2026, CarGurus experts' opinions, and generative AI.