2021 GMC Acadia vs 2021 GMC Terrain: Which is Better?

2021 GMC Acadia vs GMC Terrain

Crafted with contemporary lines and attention-grabbing detail, the 2021 GMC Acadia and 2021 GMC Terrain are both ready to take your family on life’s greatest adventures. These two SUVs have a number of key differences, including seating capacity, engine options, performance specifications, and interior accommodations. To learn more, read through the following Acadia vs. Terrain guide.

Reed Buick GMC in Kansas City, MO, has a collection of Acadia models and Terrain models gathered in our inventory. Once you’ve found a model you love, couple it with Reed Buick GMC’s current specials. If you have any questions, please reach out to our team by phone at (816) 436-6300 or through our online form.

For the sake of comparison, we will be viewing the 2021 GMC Acadia SLE, starting at $35,095 MSRP, and the 2021 GMC Terrain SLE, starting at $29,695 MSRP.

If you have any questions, contact our dealership online or call (888) 210-8101 and a representative will happily assist you.


The 2021 GMC Acadia and 2021 GMC Terrain are both equipped to take on a variety of power expectations. Both offer a choice between front-wheel and all-wheel drive, and are also paired with an electronic precision shift system. The electronic precision shift is a button and switch interface used to change your transmission mode without needing to move a lever. To see engine specs for these two GMC SUVs, explore the following chart.

2021 GMC SUV Performance Specs
  • Seating up to 7
  • Towing up to 4,000 lbs.
  • 21/27 MPG
  • Seating up to 5
  • Towing up to 1,500 lbs.
  • 25/30 MPG

2021 GMC Acadia and Terrain Interior


The 2021 GMC Acadia and Terrain both have sleek, sculpted interiors designed for relaxation and functionality. To keep you and your passengers comfortable, both have heated and ventilated front seats, available heated rear outboard seats, and eight-way power driver’s seats. To review Terrain and Acadia interior differences, see the following chart.


  • Up to seven passengers
  • 79 cu.-ft. max. cargo capacity
  • Eight-way power front passenger’s seat
  • Active noise cancellation
  • Memory settings for driver’s seat & outside mirrors
  • Power tilt-and-telescoping steering column
  • Tri-zone automatic climate control
  • Automatic heated & leather-wrapped steering wheel



  • Up to five passengers
  • 63.3 cu.-ft. max. cargo capacity
  • 4-way manual driver seat with manual recline
  • 6-speaker audio system
  • 7″ diagonal GMC Infotainment System

2021 GMC Acadia nad Terrain infotainment display


Tool around with today’s available technologies in either the 2021 GMC Terrain or Acadia. Both of these SUVs feature wireless charging for your compatible smart device, 4G LTE Wi-Fi® hotspot capability, and 8-in. GMC Infotainment Systems with navigation. The key differences between their technology offerings lie in size. The Terrain model’s driver information system reaches a maximum of 4.2 in. in size, while the Acadia has an 8-in. reconfigurable driver information screen.

2021 GMC Terrain and Acadia


Keep your loved ones, your cargo, and yourself safe in either the 2021 Acadia or 2021 Terrain. The passenger sensing system included on both models is an automatic system that switches the front passenger’s airbag on or off as needed and provides a glowing status symbol to indicate that the airbag is on or off. Both GMC models offer a range of safety features, which are listed below.

  • Rear park assist
  • Available surround vision
  • Lane change alert with side blind zone alert
  • Lane keep assist with lane departure warning
  • Safety alert seat
  • Rear cross traffic alert