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2021 GMC Acadia

Published on Jan 30, 2025 by Allie Kanizsai

2021 GMC Acadia

The 2021 GMC Acadia is a midsize SUV that perfectly balances practicality, comfort, and a dash of ruggedness, making it a popular choice for families and adventurers alike. GMC’s reputation for quality and performance shines through in the Acadia, which offers a blend of spaciousness, high-end interior features, and a range of powertrain options that suit diverse driving needs. In this article, we’ll delve into everything that makes the 2021 GMC Acadia an exceptional choice—from its performance capabilities and design to its tech features, safety standards, and what makes it stand out in the competitive midsize SUV segment.

The Bold and Refined Exterior

GMC has crafted a striking design for the 2021 Acadia, showcasing a bold grille, sleek headlights, and a muscular stance that commands attention. The Acadia’s aesthetics are a blend of sophistication and toughness, appealing to those who want an SUV that feels both luxurious and capable. The vehicle's profile is accentuated by sculpted lines and stylish chrome accents, giving it a refined look without sacrificing its adventurous spirit.
The Acadia comes in several trim levels—SL, SLE, SLT, AT4, and Denali—each with distinct styling cues to appeal to a range of tastes. For instance, the AT4 trim introduces an off-road-ready look with blacked-out accents and all-terrain tires, ideal for those with an adventurous lifestyle. The Denali, on the other hand, brings a more upscale appearance, with unique grille styling, chrome detailing, and available 20-inch wheels that elevate the Acadia’s elegance.

Spacious and Comfortable Interior

Inside, the 2021 GMC Acadia offers an inviting and spacious cabin designed with comfort and versatility in mind. Seating up to seven passengers, the Acadia provides ample legroom and headroom in all three rows. GMC also offers an optional second-row captain’s chair configuration, reducing seating to six but enhancing ease of access to the third row and creating a more open feel.
GMC pays close attention to materials and finishes in the Acadia, especially in the SLT and Denali trims, where you’ll find leather-appointed seats, soft-touch surfaces, and real wood accents. The Acadia’s cabin manages to feel upscale without being overly opulent, making it a comfortable yet practical choice for families on the go. For added convenience, the Acadia includes plenty of storage spaces throughout the cabin, from spacious door pockets to under-floor storage in the rear cargo area.

Cutting-Edge Technology

GMC equips the 2021 Acadia with a suite of technology features aimed at making every drive enjoyable and connected. The centerpiece of the Acadia’s infotainment system is its 8-inch touchscreen, which comes standard across all trims. This system is compatible with Apple CarPlay and Android Auto, allowing seamless integration with smartphones for access to music, maps, and messaging apps.
Higher trims offer additional tech features, such as a premium Bose sound system for a high-quality audio experience and built-in navigation, which is particularly helpful for long road trips. Rear-seat passengers also get their share of entertainment options with available rear USB ports and an optional rear-seat infotainment system. For families with young children or those who frequently travel with multiple devices, the Acadia’s available 4G LTE Wi-Fi hotspot can keep everyone connected on the go.
The Acadia also includes GMC’s Pro Safety Plus package on higher trims, which adds a variety of advanced safety features, including forward collision alert, lane keep assist with lane departure warning, front pedestrian braking, and more. These features make the Acadia a solid choice for those who prioritize safety.

Performance Options for Every Driver

The 2021 GMC Acadia provides a range of powertrains, each catering to different driving styles and preferences. The base engine is a 2.5-liter four-cylinder that delivers 193 horsepower and 188 lb-ft of torque, making it a decent choice for city driving and daily commutes. For those looking for a bit more power, there’s an available 2.0-liter turbocharged four-cylinder engine, which offers 230 horsepower and 258 lb-ft of torque. This turbocharged engine strikes a balance between efficiency and performance, providing ample power while maintaining good fuel economy.
For drivers who want the highest performance, the Acadia offers a 3.6-liter V6 engine, generating 310 horsepower and 271 lb-ft of torque. This V6 engine is available on the SLT and Denali trims and comes standard on the AT4 trim, which is designed for off-road capabilities. The V6-equipped Acadia is a great option for those who plan to tow or regularly carry heavy loads, as it allows for a towing capacity of up to 4,000 pounds.
All engines come paired with a smooth-shifting nine-speed automatic transmission that enhances the Acadia’s drivability. Front-wheel drive is standard on lower trims, while all-wheel drive is available and standard on the AT4 trim, giving drivers added confidence and control, especially in challenging weather conditions or off-road situations.

Off-Road Capabilities with the AT4 Trim

GMC introduced the AT4 trim for drivers who want a more rugged Acadia capable of handling light off-roading. This trim level includes features like all-terrain tires, hill descent control, and a unique twin-clutch all-wheel-drive system designed for better handling on uneven or slippery surfaces. The AT4 trim also comes with additional ground clearance and specialized traction control settings for different terrains, making it a good choice for adventurous families or those who frequently drive on unpaved roads.
While the Acadia AT4 isn’t a hardcore off-roader like some of its rivals, it offers enough capability for most outdoor excursions, such as camping trips or drives on dirt roads. Plus, it maintains the same level of comfort and refinement as the rest of the Acadia lineup, meaning you won’t have to sacrifice interior quality for off-road prowess.

Safety Features and Ratings

Safety is a priority in the 2021 GMC Acadia, and GMC has equipped it with numerous standard and available safety features to protect passengers. The Pro Safety Plus package, standard on higher trims, includes a range of driver-assistance technologies. This package includes:

  • Forward Collision Alert: Warns drivers of potential front-end collisions.
  • Automatic Emergency Braking: Helps avoid or reduce the severity of collisions by automatically applying the brakes in certain situations.
  • Lane Keep Assist with Lane Departure Warning: Helps drivers avoid unintentional lane drift.
  • Rear Park Assist: Assists with parking in tight spaces.
  • Rear Cross-Traffic Alert: Warns drivers of approaching vehicles when backing up.
  • Blind Zone Alert: Informs drivers of vehicles in their blind spots.

The National Highway Traffic Safety Administration (NHTSA) awarded the 2021 GMC Acadia a solid safety rating, adding to the confidence that buyers can have in its protective capabilities.

Fuel Efficiency and Environmental Impact

The Acadia’s fuel economy varies depending on the engine and drivetrain. The base 2.5-liter engine with front-wheel drive achieves an EPA-estimated 21 mpg in the city and 27 mpg on the highway, which is competitive for the midsize SUV class. The 2.0-liter turbocharged engine improves these numbers slightly, while the 3.6-liter V6 offers around 19 mpg city and 27 mpg highway with front-wheel drive, slightly lower when equipped with all-wheel drive.
For those who prioritize eco-friendliness, the Acadia’s lighter construction and smaller engine options make it a relatively fuel-efficient choice for its size, though it lacks a hybrid or plug-in variant. GMC has been moving towards more fuel-efficient technologies across its lineup, so eco-conscious drivers may find future models with additional options.

Cargo Space and Practicality

One of the highlights of the 2021 GMC Acadia is its versatility and practicality. With all seats up, the Acadia offers 12.8 cubic feet of cargo space, which expands to 41.7 cubic feet with the third row folded down and a generous 79 cubic feet with both the second and third rows down. This flexibility makes the Acadia a practical choice for families who need to carry varying loads, from groceries to sports gear or camping equipment.
The Acadia also features an optional hands-free power liftgate on higher trims, making it easier to load and unload cargo, especially when your hands are full. Interior storage options like large door pockets, a spacious center console, and under-floor storage in the rear cargo area further enhance the Acadia’s functionality.

Competitive Positioning and Pricing

The 2021 GMC Acadia sits in a competitive space within the midsize SUV market, competing with models like the Honda Pilot, Ford Explorer, and Toyota Highlander. While each of these rivals has its strengths, the Acadia stands out with its blend of luxury, performance options, and tech features. It’s particularly appealing to those who want a refined, stylish SUV with a hint of ruggedness for light off-roading, thanks to the AT4 trim.
The pricing of the Acadia varies depending on the trim level and optional packages, with the base SL trim starting at a budget-friendly price. As you move up to the SLE, SLT, AT4, and Denali trims, the price increases but brings added features, making it easy to customize the Acadia to fit your needs and budget.

Ownership Costs and Maintenance

The 2021 GMC Acadia is not only a versatile and stylish SUV but also one that is relatively affordable to maintain. GMC’s reputation for durable build quality means that the Acadia is designed to withstand the rigors of daily driving and family use. Typical ownership costs include routine maintenance items such as oil changes, tire rotations, brake servicing, and filter replacements. For added convenience and peace of mind, GMC offers a comprehensive warranty for new Acadia models, covering 3 years or 36,000 miles bumper-to-bumper and a 5-year or 60,000-mile powertrain warranty. GMC also offers various service plans to cover regular maintenance, making it easier to budget for routine upkeep.
Moreover, the Acadia’s fuel efficiency helps keep day-to-day costs manageable. With fuel-efficient engine options, particularly the 2.0-liter turbocharged variant, drivers can expect to enjoy longer stretches between fill-ups, especially when driving primarily on highways. Overall, the 2021 GMC Acadia proves to be an economical choice over time, delivering value without compromising on quality or performance.

Resale Value and Long-Term Appeal

The 2021 GMC Acadia stands out not only for its current offerings but also for its ability to retain value over time. SUVs like the Acadia, with reliable performance, versatile configurations, and strong brand reputation, tend to hold their resale value well in the competitive SUV market. GMC’s focus on durability and quality materials ensures that, with regular maintenance, the Acadia ages gracefully, maintaining its appeal for future buyers.
Furthermore, the Acadia’s range of trims—from the off-road-capable AT4 to the upscale Denali—enhances its long-term desirability, as each trim level caters to specific buyer needs, whether it’s rugged adventure, luxury, or family functionality. This versatility contributes to the Acadia’s steady demand in the used SUV market, making it a smart choice for those considering long-term ownership or a solid resale opportunity down the road.

Kunes GMC of Beloit: Serving Janesville, South Beloit, and Roscoe, IL

Kunes GMC of Beloit is your trusted dealership for GMC vehicles, proudly serving drivers from Janesville, South Beloit, and Roscoe. Conveniently located in Beloit, WI, the dealership offers a vast selection of new and pre-owned GMC trucks, SUVs, and crossovers, along with expert automotive service and a commitment to customer satisfaction. Whether you’re in the market for a rugged GMC Sierra, a spacious GMC Yukon, or need professional maintenance, Kunes GMC of Beloit is your one-stop shop for everything GMC.  

For residents of Janesville, WI, Kunes GMC of Beloit is just a 15-minute drive south via I-39/90, making it an easy and convenient destination for all your automotive needs. Janesville, a thriving city with a rich industrial history, is home to drivers who need reliable and versatile vehicles. At Kunes GMC of Beloit, Janesville customers can explore the latest GMC models, such as the GMC Terrain and GMC Acadia, which offer advanced technology and premium comfort for both families and professionals. For those needing extra power and capability, the GMC Sierra 1500 and Sierra Heavy Duty trucks are ideal for towing and heavy workloads. Additionally, Janesville residents trust the dealership’s certified technicians for routine maintenance and complex repairs, ensuring their vehicles remain in excellent condition.  

If you’re traveling from South Beloit, IL, Kunes GMC of Beloit is only a 10-minute drive north via IL-2 and WI-81, making it a quick and reliable option for high-quality vehicles and services. South Beloit’s vibrant community and proximity to the Wisconsin border make it an area where dependable vehicles are essential. Kunes GMC of Beloit offers a wide range of options for South Beloit drivers, including the GMC Canyon, a midsize truck perfect for work and play, and the GMC Yukon XL, an SUV with unmatched space and luxury for larger families. The dealership also offers a variety of financing options, ensuring South Beloit customers can find the perfect vehicle to match their budget and lifestyle.  

For drivers from Roscoe, IL, Kunes GMC of Beloit is just a short 15-minute drive northwest via I-90, making it an easily accessible dealership for the area. Roscoe’s suburban charm and growing community create a demand for vehicles that balance comfort, efficiency, and versatility. At Kunes GMC of Beloit, Roscoe customers can explore a comprehensive selection of GMC vehicles, including the fuel-efficient GMC Envoy and the rugged GMC Hummer EV for drivers seeking cutting-edge technology and off-road capability. Roscoe residents also appreciate the dealership’s dedication to customer service, with a knowledgeable team ready to assist with everything from vehicle selection to service scheduling.  

Kunes GMC of Beloit is more than just a dealership—it’s an integral part of the local community. The dealership takes pride in supporting events, organizations, and charities in Janesville, South Beloit, and Roscoe. From sponsoring local sports teams to participating in community fundraisers, Kunes GMC of Beloit is committed to giving back and making a positive impact in the region.  

Drivers from Janesville, South Beloit, and Roscoe trust Kunes GMC of Beloit for its exceptional selection of vehicles, professional service, and dedication to customer satisfaction. Whether you’re shopping for a new or pre-owned GMC, need financing assistance, or require expert maintenance, Kunes GMC of Beloit is here to provide an outstanding dealership experience. Visit today to see why drivers across the area choose Kunes GMC of Beloit as their preferred automotive partner.

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