Used 2023 GMC Terrain SUV Trims Comparison

SLE
For an entry-level model, the SLE trim comes with a lot of standard features that include:

• LED exterior lighting
• Heated mirrors
• Proximity keyless entry and push-button ignition
• Auto-dimming rearview mirror
• 7-inch infotainment touchscreen
• Onboard Wi-Fi hotspot
• Apple CarPlay and Android Auto smartphone integration (with wireless connectivity)
• Six-speaker sound system
• Forward collision warning with automatic braking (warns you of an impending front collision and applies the brakes in certain scenarios)
• Lane keeping assistance (steers the vehicle back into its lane if it begins to drift over the lane marker)

SLT
The SLT trim adds plenty of luxury and convenience features that include:

• Hands-free liftgate
• Roof rails
• Remote ignition
• Dual-zone automatic climate control
• 8-inch infotainment touchscreen
• Additional USB ports
• Leather upholstery
• Leather-wrapped, heated steering wheel
• Power-adjustable, heated front seats
• Driver's seat memory functions
• Household-style power outlet
• Universal garage door opener
• High-definition rearview camera

AT4
The AT4 trim is touted as the off-road version, though it's more rugged-looking than all-terrain capable with only a few upgrades:

• Underbody skid plate
• Unique styling cues

Denali
The range-topping Denali trim adds a good amount of luxury and technology to the mix with:

• Integrated navigation system
• Bose premium audio
• Wireless charging pad
• Upgraded driver information display
• Head-up display (displays important information in your sight line onto the windshield)
• Blind-spot monitor with rear cross-traffic alert (warns you if a vehicle is in your blind spot during a lane change or while in reverse)
• Front and rear parking sensors (alert you to obstacles that may not be visible in front of or behind the vehicle when parking)
• Safety alert seat (vibrates the driver's seat cushion when a safety warning is triggered)

New for 2023 is the Denali's Black Diamond Edition package that adds:

• Sunroof
• Heated rear outboard seats
• Adaptive cruise control (maintains a driver-set distance between the Terrain and the car in front)
• Ventilated front seats (Denali only)
• Semi-automated parking system (steers into a parking spot with little or no driver intervention)
• Surround-view monitor (gives you a top-down view of the vehicle and its surroundings for tight parking situations)

Many of the features that are standard or available on the Denali are optional on the SLE and AT4 as options.