Used 2023 GMC Sierra 1500 for Sale nearDenver, CO

How much does the 2023 GMC Sierra 1500 cost?

Prices have softened 9.48% compared to this time last year, making it a favorable time to shop this model year.

There are 9,629 listings available, which suggests solid inventory availability.

If you find a listing below $45,718.91, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2023 GMC Sierra 1500 a good car?

Generally — the 2023 GMC Sierra 1500 earns 4.33/5 from owners and 7.83/10 from our experts. The standout strength is Safety at 9/10.

Drivers consistently praise its stylish design, advanced technology, and comfortable ride. They also like the variety of options and the improved interior compared with older models.

The trade-offs are familiar for a premium-leaning pickup: rising prices, limited availability of specific features like Super Cruise, and concerns about engine problems for long-term ownership.

That fits the Sierra’s role well if you want a full-size truck that can feel richly equipped without giving up core utility. It is especially appealing if you value a spacious cabin and versatile features over a stripped-down work-truck setup.

With 30.2% of listings marked as good or great deals, the market still offers some room to shop selectively.

Is the 2023 GMC Sierra 1500 reliable?

Owners rate it 4.33/5, a solid signal of long-term satisfaction.

The owner feedback points to a truck that feels stylish, comfortable, and well-equipped, with many drivers appreciating the improved interior and the sense that it can be a dependable daily vehicle. That kind of praise matters when you are looking for something you can count on over time.

The expert test-drive notes also support that impression by describing the diesel powertrain as lively and the truck as smooth and composed on the road. The five-year/60,000-mile powertrain warranty adds another layer of reassurance for used buyers.

Even so, concerns about engine problems in owner feedback mean you should pay close attention to maintenance records and any warning signs before you buy.

What should I look for when buying a used 2023 GMC Sierra 1500?

Accident-free inventory is excellent at 92.3% — clean inventory, standard diligence applies.

You should still run a vehicle history report and prioritize a pre-purchase inspection, especially if you are considering a higher-mileage truck or one with a lot of tech features. Focus on overall condition, evidence of regular maintenance, and whether the equipment you want actually works as intended.

Key things to evaluate:

• Trim level: The base Pro keeps things simpler with a 7-inch touchscreen, cloth seats, Bluetooth, and remote keyless entry, while higher trims add more comfort and convenience. The SLE brings a power-adjustable driver’s seat, heated front seats, a heated steering wheel, dual-zone climate control, a larger touchscreen, wireless smartphone integration, and a digital instrument panel.
• Powertrain: You get a 2.7-liter turbocharged four-cylinder, a 3.0-liter Duramax turbo-diesel, a 5.3-liter V8, or a 6.2-liter V8. The diesel is the efficiency standout, while the larger gas engines trade fuel economy for more power.
• Safety package: Standard equipment includes forward collision warning, automatic emergency braking, pedestrian detection, lane-departure warning, and Teen Driver. Higher trims add blind-spot monitoring, rear cross-traffic alert, parking sensors, adaptive cruise control, a surround-view camera system, Safety Alert seat, and Super Cruise.
• Infotainment: The base Pro uses a 7-inch touchscreen, while other trims get a 13.4-inch screen with wireless Apple CarPlay and Android Auto. The updated system also includes Google-connected apps and a logical layout, though it can feel busy.
• Fuel efficiency: The Duramax diesel with RWD returns 24 mpg city, 29 mpg highway, and 26 mpg combined. With 4WD, it drops to 22 mpg city, 27 mpg highway, and 24 mpg combined. The turbo-four returns 19 mpg city, 22 mpg highway, and 20 mpg combined.

Which 2023 GMC Sierra 1500 trim should I buy?

The 2023 GMC Sierra 1500 is offered in 8 trim levels: Pro, SLE, Elevation, SLT, AT4, AT4X, Denali, and Denali Ultimate.

Here's the short version:

• Pro: This is the simplest choice if you want the Sierra’s core truck capability without the more complicated tech-heavy cabin. It keeps the 7-inch touchscreen and basic comfort features, so it suits buyers who value straightforward utility.
• SLE: This is the best-value trim for many shoppers because it adds the biggest everyday upgrades: heated seats, a heated steering wheel, dual-zone climate control, a larger touchscreen, wireless smartphone integration, and a digital gauge cluster.
• Elevation: Choose this if you want the SLE’s equipment with more flexibility for options and packages. It is a good middle ground if you want to tailor the truck more closely to your needs.
• SLT: This trim is the step up for buyers who want a more premium feel, thanks to leather upholstery, memory settings, and a power-adjustable front passenger seat.
• AT4: Pick this if you want the off-road-oriented setup, including 4WD, skid plates, a lifted suspension, a two-speed transfer case, and an upgraded air filter.
• AT4X: This is the more serious trail-focused choice, with steel bumpers, an integrated front winch, mud-terrain tires, upgraded dampers, and locking differentials.
• Denali: This is the luxury-focused trim with unique styling, Bose audio, ventilated front seats, wireless charging, and a bed-view camera.
• Denali Ultimate: This is the top choice if you want the most equipment, including massaging front seats, a 12-speaker Bose system, unique interior details, and nearly every feature available on the truck.

The safety package expands as you move up the lineup, and the Denali Ultimate gets every available driver-assistance feature.

Is now a good time to buy a used 2023 GMC Sierra 1500?

This is a moderate, selective-buyer market, so you can shop with some leverage if you are patient.

• Deal availability: 30.2% of listings are priced as good or great deals.
• Inventory: There are 9,629 listings available.
• Price trend: Prices have softened 9.48% compared with last year.
• Clean inventory: 92.3% of listings are accident-free.

If you find a listing below $45,718.91, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2023 GMC Sierra 1500's resale value?

The current average of $45,706 sits slightly below last year's $50,491.

That price movement suggests the market has cooled, which can help you buy more carefully now but may also limit upside if you plan to resell soon. If you purchase at a strong price and keep the truck in good condition, you may be better positioned than someone who buys near the top of the range.

The Sierra’s broad appeal helps support future demand, especially for well-equipped trims and trucks with desirable powertrains. Strong owner satisfaction also tends to help resale performance over time.

Vehicles with solid owner satisfaction ratings, like this model year's 4.33/5, tend to retain buyer demand, which supports resale value over time.

Is the 2023 GMC Sierra 1500 safe?

It earns a 9/10 safety score from our experts.

The Sierra 1500 comes standard with forward collision warning, automatic emergency braking, pedestrian detection, lane-departure warning, and Teen Driver. Higher trims add blind-spot monitoring, rear cross-traffic alert, front and rear parking sensors, adaptive cruise control, a surround-view camera system, Safety Alert seat, and Super Cruise.

That means you can get a very robust safety package, but not every advanced feature is standard across the lineup. If safety tech is a priority, you will want to pay close attention to trim level.

Should I buy a 2023 GMC Sierra 1500 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:

• 30.2% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 92.3% — clean inventory, standard diligence applies.
• Price trend: Prices have softened 9.48% compared with last year.
• Owners rate it 4.33/5 — a solid satisfaction signal.
• The 2023 adds the Denali Ultimate, which pushes the truck further into luxury territory.

Consider the 2022 if:

• At $42,558, the 2022 costs less than the current year's $45,706 average.
• It brought a major redesign and added new high-end and off-road trims.

Consider the 2024 if:

• At $48,900, the 2024 costs more than the current year's $45,706 average.
• It broadens the truck’s appeal with versatile configurations and more competitive tech.

The bottom line: If you want the best mix of luxury, tech, and current-market pricing, the 2023 is the strongest all-around pick. If your priority is saving money, the 2022 is the better value play. If you want to spend more for a newer model-year alternative, the 2024 is worth a look, but you will pay more for it.

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