Used 2020 GMC Acadia for Sale nearReading, PA

How much does the 2020 GMC Acadia cost?

Prices have softened 10.87% compared to this time last year, making it a favorable time to shop this model year.

There are 2,664 listings available, which suggests solid inventory for comparison shopping.

Is the 2020 GMC Acadia a good car?

Yes — 4.94/5 from owners and 7.00/10 from expert testing point to a model that resonates with shoppers and reviewers alike. The model scores 8/10 across Look and feel, Form and function, and Technology.

Drivers consistently praise the Acadia’s smooth and quiet ride, spacious interior, and impressive features. The family-friendly layout and easy-to-use technology also come through as recurring strengths, especially if you want a comfortable SUV for road trips and daily use.

The trade-offs are clear: expert testing calls out fairly pedestrian performance and notes that advanced safety features are not standard. That means you get a practical, approachable three-row SUV, but you may need to shop carefully if you want stronger acceleration or more driver assistance.

With the Acadia positioned as a midsize three-row crossover, it fits you best if you want a comfortable family hauler with a straightforward cabin and broad usability. 33.4% of listings are priced as good or great deals, so there is still room to find value if you compare carefully.

Is the 2020 GMC Acadia reliable?

Owners rate it 4.94/5, a strong signal of long-term satisfaction. Review feedback also points to a vehicle that feels reliable, dependable, and trouble-free for many owners, with comfort and everyday livability standing out over the long haul.

Expert testing reinforces that impression by describing the Acadia as dynamically agreeable and easy to live with, while also noting that its controls and infotainment are simple to understand and use. The first scheduled maintenance visit is included at no charge, which helps soften early ownership costs.

For used buyers, the main long-term risk is less about outright durability and more about whether the vehicle was maintained well and equipped the way you want.

What should I look for when buying a used 2020 GMC Acadia?

At 68.5% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and then prioritize a pre-purchase inspection, especially if you are considering a higher-mileage example or one with a prior claim. Focus on condition, equipment operation, and whether the features you want were actually included on the trim you are looking at.

Key things to evaluate:

• Trim level: The Acadia comes in SL, SLE, SLT, new rugged AT4, and luxurious Denali trim levels. Base versions are more limited on premium touches, while Denali adds upscale details such as leather upholstery, wood trim, and a more polished cabin presentation.
• Powertrain: Lower trims use a 193-horsepower 2.5-liter four-cylinder engine, SLT gets a turbocharged 2.0-liter four-cylinder with 230 hp and 258 pound-feet of torque, and AT4 and Denali use a 310-hp 3.6-liter V6. All pair with a nine-speed automatic, and the AT4 uses an exclusive dual-clutch AWD system.
• Safety package: Standard equipment includes rear-seat reminder, Teen Driver technology, blind-spot warning, and rear cross-traffic warning. Forward collision warning and low-speed automatic emergency braking require SLT or AT4, and the broader Driver Alert Package adds lane-departure warning, lane-keeping assistance, pedestrian braking, parking sensors, automatic high-beam headlights, and a head-up display. Enhanced automatic emergency braking is exclusive to Denali.
• Infotainment: Every Acadia includes Bluetooth, Apple CarPlay, Android Auto, and GMC Connected Services with a 4G LTE WiFi hotspot. Versions with an 8-inch touchscreen get a higher-resolution display, simplified operation, and improved voice recognition, while USB-C ports, wireless charging, a surround-view camera, and a rear camera mirror add convenience.
• Fuel efficiency: The test vehicle returned 21 mpg in combined driving, and the powertrain includes automatic engine stop/start and cylinder deactivation to help improve fuel economy.

Which 2020 GMC Acadia trim should I buy?

The 2020 GMC Acadia is offered in 5 trim levels: SL, SLE, SLT, AT4, and Denali.

Here's the short version:

• SL: This is the entry point, so it makes sense if you want the Acadia’s core space and tech without paying for upscale extras. It gets the basic safety setup, but you should expect fewer convenience and driver-assistance features than higher trims.
• SLE: This is the value-oriented step up if you want a better balance of equipment and price. It keeps the Acadia’s easy-to-use tech and family-friendly layout while giving you a more livable daily driver than the base trim.
• SLT: This is the best-value trim for many shoppers because it adds the turbocharged 2.0-liter engine and unlocks more important safety tech, including forward collision warning and low-speed automatic emergency braking. If you want the strongest mix of equipment and everyday usefulness, start here.
• AT4: Choose this if you want the rugged personality and greater off-roading capability highlighted in the refresh. It also gets the V6 and the dual-clutch AWD system, so it suits you if capability matters more than price.
• Denali: This is the luxury choice, with the most upscale cabin presentation and the V6 powertrain. It suits you if you want the richest interior and the most premium-feeling Acadia, but it is not the value pick.

The safety package is not fully standard across the lineup, so if driver assistance matters to you, pay close attention to trim and package content.

Is now a good time to buy a used 2020 GMC Acadia?

The market looks selective rather than overheated, so you can shop with some leverage if you stay disciplined.

• Deal availability: 33.4% of listings are priced as good or great deals.
• Inventory: There are 2,664 listings available.
• Price trend: Prices have softened 10.87% compared with last year.
• Clean inventory: 68.5% of listings are accident-free.

If you find a listing below $20,222, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 GMC Acadia's resale value?

The current average of $20,222 sits slightly below last year's $22,689.

That decline suggests the Acadia has become more affordable for buyers, which can make it harder for future sellers to command top dollar unless the vehicle is especially well kept. If you own one, strong condition, clean history, and desirable equipment will matter more when it comes time to resell.

Because the market has already adjusted downward, a well-maintained example may still hold appeal, but you should expect pricing pressure if mileage is high or the vehicle lacks sought-after features. Vehicles with strong owner satisfaction ratings, like this model year's 4.94/5, tend to retain buyer demand, which supports resale value over time.

Is the 2020 GMC Acadia safe?

The 2020 Acadia earns five-star ratings in most NHTSA assessments, plus a four-star rollover resistance rating. It also receives high marks from IIHS in the tests it has completed.

It earns a 6/10 safety score from our experts.

Standard safety equipment includes rear-seat reminder, Teen Driver technology, automatic collision notification, SOS emergency calling, blind-spot warning, and rear cross-traffic warning. If you want forward collision warning and low-speed automatic emergency braking, you need to move up to SLT or AT4, and the broader Driver Alert Package adds lane-departure warning, lane-keeping assistance, pedestrian braking, parking sensors, automatic high-beam headlights, and a head-up display.

One important caveat is that advanced driver assistance is not broadly standard, so you need to pay close attention to trim and package content if safety tech is a priority. IIHS also has incomplete data for headlight performance and front-passenger small-overlap frontal protection.

Should I buy a 2020 GMC Acadia or consider a different year?

If you're weighing the 2020 against nearby model years, here's how to think about it:

Choose the 2020 if:

• 33.4% of listings are priced as good or great deals.
• At 68.5% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 10.87% compared with last year.
• Owners rate it 4.94/5 — a strong satisfaction signal.
• The 2020 refresh adds bolder styling, the AT4 trim, a turbocharged four-cylinder, a nine-speed automatic, and updated technology.

Consider the 2019 if:

• At $17,248, the 2019 costs less than the current year's $20,222 average.
• It feels more upscale than many rivals while still offering family-friendly versatility.

The bottom line: If you want the newer refresh, better tech, and a broader trim story, the 2020 is the stronger all-around pick. If your priority is saving money and you can live with the older model year’s setup, the 2019 is the better value-oriented alternative.

These recommendations are based on CarGurus' proprietary market data from September 15, 2026, CarGurus experts' opinions, and generative AI.