GMC Terrain SLE vs. SLT (2021, 2020): Which Trim Comes Out On Top?

So you’ve decided the 2021 GMC Terrain is right for you — now it’s time to pick the trim level with the options you want. If you’re looking for a midrange trim with plenty of creature comforts and convenience features, the 2021 GMC Terrain SLE and SLT are two top options you may want to consider. To make your research a bit easier, the team at Buick GMC of Rochester created the following trim comparison covering the main similarities and differences in the 2021 Terrain SLE versus the SLT.

If you’d like to see the differences between the 2021 GMC Terrain SLE and SLT in person, find your preferred trim in our inventory of Terrain SUVs for sale in Rochester, MN, then schedule a test drive. Please reach out to our team of GMC professionals online or by phone at (507) 288-1811 with any questions.

GMC Terrain SLE vs SLT comparison


Both the 2021 GMC Terrain SLE and SLT come equipped with a 1.5L turbo four-cylinder engine with automatic stop/start technology, paired with a nine-speed automatic transmission. The combination provides 170 horsepower and 203 pound-feet of torque that work to help you tow up to 1,500 pounds. Both models are available with either front-wheel drive (FWD) or all-wheel drive (AWD).

Similar exterior features in both models include distinctive C-shaped LED signature lighting, high intensity discharge headlamps, and LED signature tail lamps. Inside both the 2021 GMC Terrain SLE and SLT, you’ll find a leather-wrapped steering wheel for comfort. The flat folding front passenger seatback allows you to haul items up to 8 feet long, while the 60/40 split fold-flat rear seat is operated by rear seat release levers located in the rear cargo area for your convenience.

Every drive in a 2021 Terrain SLE or SLT is enhanced by a wide selection of tech features. Whether you’re connecting your smartphone with Apple CarPlay® or Android Auto™ or navigating with confidence using smart safety features, the Terrain is built to keep you connected on every drive. Browse the list below to see tech features you’ll find in both the 2021 Terrain SLE and SLT.

  • 4G LTE Wi-Fi®
  • Six-speaker audio system
  • GMC Connected Access capable
  • Amazon Alexa built-in capability
  • Available rear seat infotainment system with or without DVD player
  • Available GMC Connected Navigation
  • GMC Pro Safety
    • IntelliBeam®
    • Automatic emergency braking
    • Following distance indicator
    • Forward collision alert
    • Front pedestrian braking 
    • Lane keep assist with lane departure warning

Whether you value distinctive exterior styling or want to take your driver assist features to the next level, there are available packages for the 2021 Terrain SLE and SLT for you, including:

  • Available Elevation Edition
    • 19-in. Gloss Black aluminum wheels
    • Black GMC center caps with black GMC lettering
    • Darkened front grille
    • Black roof side rails
    • Black mirror caps
    • Black model and trim exterior badging 
    • Black exterior accents
  • Available GMC Pro Safety Plus 
    • Available safety alert seat
    • Adaptive cruise control
    • Rear park assist
    • Rear cross traffic alert
    • Available lane change alert with side blind zone alert


What does your perfectly equipped small SUV look like? Leather or cloth seats? Power or manual adjustable seats? How about technology? The 2021 GMC Terrain SLT offers upgrades for your seating, technology, exterior, and convenience. The 2021 GMC Terrain SLT starts at $33,695 MSRP, compared to $29,595 MSRP for the 2021 GMC Terrain SLE.

Exterior upgrades on the 2021 GMC Terrain SLT include upsized 18-inch machined aluminum wheels with Dark Gray painted accents, compared to the 17-inch Silver painted wheels on the SLE. You’ll also find standard fog lamps, a hands-free power programmable liftgate, auto-dimming outside mirrors with integrated turn signal indicators, and standard roof mounted side rails on the SLT.

Interior upgrades in the 2021 GMC Terrain SLT include a heated steering wheel, perforated leather seat trim, ambient interior lighting, a six-way power front passenger’s seat, and eight-way power driver’s seat. By comparison, the SLE is appointed with premium cloth seats and four-way manual front seats. Heated seats and a dual-zone climate control are standard fare in the SLT, but optional in the SLE. Your tech experience with the GMC infotainment system in the 2021 GMC Terrain centers around an 8-inch touchscreen in the SLT, versus a 7-inch touchscreen. Other smart upgrades in the SLT include:

  • Available Bose® seven-speaker audio system 
  • Available HD Radio™ 
  • HD rear vision camera (available SLE)
  • SLT standard remote start (available SLE)
  • SLT SiriusXM® Satellite Radio (available SLE)

Schedule A Test Drive in Rochester, MN

Whether you prefer the 2021 GMC Terrain SLT or SLE, schedule a test drive at Buick GMC of Rochester in Rochester, MN, to experience this impressive SUV. If you have any questions, please reach out to our sales staff at (507) 288-1811.

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