Used GMC Sierra 1500 for Sale nearGreat Falls, MT

How much does the GMC Sierra 1500 cost in today's market?

Used GMC Sierra 1500 prices span a wide range depending on model year. Here's what the market looks like right now:

The GMC Sierra 1500's current nationwide average price is $40,305, and its lowest point over the past year was $38,584. 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 1500 a good car?

Yes — it combines strong owner approval with upscale cabin appeal, broad capability, and a wide range of configurations that let you tailor it to work, towing, comfort, or rugged use. The all-generations owner rating is 4.46/5 across every model year in the data.

Owners consistently praise the GMC Sierra 1500 for its powerful performance, spacious and comfortable interiors, and impressive towing capabilities. Reviewers also frequently highlight its stylish design and advanced features, which help explain its appeal as both a work truck and a family vehicle.

Expert reviews rate the 2020 and 2018 models among the highest across all years.

The main trade-offs center on fuel economy, pricing, and feature complexity, especially in recent years where advanced safety content and premium equipment can push the truck higher in cost.

30.5% of listings are priced as good or great deals.

Are GMC Sierra 1500 models reliable?

Owners and experts consistently praise the GMC Sierra 1500 for its strong performance, comfortable cabins, and broad feature set. Across the model years in the data, it also earns solid owner satisfaction scores, which supports its reputation as a truck that delivers a premium-feeling ownership experience.

• Owners rate the GMC Sierra 1500 between 4.15 and 5.0 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, especially on older trucks where reliability concerns show up more often in owner feedback.

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

Across all model years, accident-free inventory is solid at 84.8% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2020 models.

Key things to evaluate:

• Safety package: automatic emergency braking with pedestrian detection, forward collision warning, lane-keep assist, lane-departure warning, and a rear-seat reminder
• Infotainment: a 13.4-inch touchscreen with wireless Apple CarPlay and Android Auto, plus Google Built-In features
• Fuel efficiency: the Duramax diesel is EPA-rated at 25 mpg combined with RWD and 24 mpg combined with 4WD

Which GMC Sierra 1500 trim should I buy?

The 2024 GMC Sierra 1500 offers these trims:

• Pro: The entry trim is aimed primarily at commercial fleets and starts with a 7-inch touchscreen, Bluetooth, and wired Apple CarPlay and Android Auto.
• SLE: This is the best-value trim if you want the bigger 12.3-inch digital instrument cluster, a 13.4-inch touchscreen, wireless Apple CarPlay and Android Auto, and Google Built-In features.
• Elevation: This trim builds on the SLE equipment with a more distinctive appearance while keeping the same modern tech setup.
• SLT: This trim adds a more upscale feel and sits in the heart of the lineup for shoppers who want comfort and capability together.
• AT4: This off-road model adds a 2-inch lift kit, Rancho monotube shocks, a locking rear differential, and skid plates.
• AT4X: This trim adds a front locker and more sophisticated Multimatc DSSV dampers, along with the Duramax diesel as standard for 2024.
• Denali: This trim adds the signature chrome grille, upscale comfort, and available 22-inch wheels and power running boards.
• Denali Ultimate: This top trim adds the most premium presentation, a 360-degree camera system with front-view camera, heated, ventilated, and massaging front seats, heated rear seats, a power sunroof, and dual-zone automatic climate control.

What GMC Sierra 1500 do most buyers choose?

The GMC Sierra 1500 years with the most listings are 2023, 2025, and 2024.

These higher-volume years tend to be popular because they combine broad availability with newer features and strong trim variety. More listings also give you a better chance of finding the right configuration and a competitive price.

What is the GMC Sierra 1500's resale value?

Most model years in the table are down year over year, which is good news if you’re shopping used and want to benefit from softer pricing. The biggest drops are concentrated in the newer model years, while older trucks show smaller changes. That pattern suggests recent inventory is moving lower faster than the oldest examples.

The 2014, 2015, and 2018 model years have held their value best, with the smallest year-over-year price changes.

Is the GMC Sierra 1500 safe?

• 2024: 6/10
• 2023: 9/10
• 2022: 7/10
• 2021: 4/10
• 2020: 8/10
• 2019: 8/10
• 2018: 9/10
• 2015: 7/10
• 2014: 9/10

The 2024 Sierra 1500 includes automatic emergency braking with pedestrian detection, forward collision warning, lane-keep assist, lane-departure warning, and a rear-seat reminder, with Super Cruise available on Denali and Denali Ultimate models.

For the safest used buy, the 2014, 2018 and 2023 models all post the highest confirmed score of 9/10.

Should I buy a used GMC Sierra 1500 now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −12.54% versus a year ago, and the 2024 model is at −10.64%.
• Deal availability: The 2025 model has 31.3% good and great deals, and the 2024 model has 32.1%.
• Sweet-spot year: The 2023 model has the most listings at a current average price of $45,333. The GMC Sierra 1500 offers a near-luxury cabin feel, broad trim variety, and strong capability across its lineup.

Consider waiting if:

• Powertrain/efficiency: The 2.7-liter turbocharged four-cylinder produces 310 horsepower and 430 pound-feet of torque, while the Duramax turbodiesel 3.0-liter inline-six produces 305 hp and 495 lb-ft.
• Tech: SLE and higher models get a 12.3-inch digital instrument cluster and a 13.4-inch touchscreen with wireless Apple CarPlay and Android Auto, as well as Google Built-In features.
• Safety: Denali and Denali Ultimate models can also be equipped with Super Cruise, GM’s hands-free driver-assistance system, and the recently added Super Cruise active lane-change feature.
• Starting price: Pricing starts at $39,595 for a base Pro model with RWD and no frills.

If you're buying used today, the 2023 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.

Compare 2018 GMC Sierra 1500 Trims

The 2018 GMC Sierra 1500 offers a range of trims from budget-friendly options to fully loaded models, all featuring a capable V6 engine.

• Starting at $16,319
• Best MPG/MPGe: 18 city / 24 hwy
• Most Popular: SLE

Trim Overview

Prices updated weekly from CarGurus listings.

Quick Compare Table

Listing prices sourced from CarGurus — updated weekly. OEM specs from manufacturer data.

Missing data displayed as "—".

Trim Deep Dives

Base — "Who It's For"

The Base is the pick for shoppers who want essential features without paying for extras. It's the most budget-friendly option in the lineup.

• Avg. market price: $16,319 (updated weekly)
• MPG/MPGe: 18 city / 24 hwy
• Inventory: 598 listings
• View Base listings

SLE — "Who It's For"

The SLE is the pick for shoppers who want a well-equipped truck without going for the highest trim. It's the most popular choice among buyers.

• Avg. market price: $26,683 (updated weekly)
• MPG/MPGe: 18 city / 24 hwy
• Inventory: 2,407 listings — widest selection in the lineup
• View SLE listings

Trim Recommendations

Most Popular — SLE

With 2,407 active listings, the SLE is the clear volume leader in the lineup.

Browse SLE listings

Best Budget Option — Base

At $16,319 avg market price — below the lineup median of $21,501 — it's the most accessible entry point.

Browse Base listings

These recommendations are based on CarGurus' proprietary market data from September 2, 2026, CarGurus experts' opinions, and generative AI.