Discover the exceptional 2021 GMC Terrain SLE, a versatile and well-equipped SUV that's ready to elevate your driving experience. With its sleek Graphite Gray Metallic exterior and thoughtfully designed interior, this Terrain offers a refined and modern aesthetic that's sure to turn heads.
- Graphite Gray Metallic exterior
- GMC PRO SAFETY PLUS, including Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert, and Rear Park Assist
- Rear Power Programmable Liftgate
- Driver Convenience Package with Remote Start, Dual-Zone Automatic Climate Control, Heated Front Seats, and more
Beneath the surface, the 2021 Terrain SLE boasts a 1.5L DOHC engine paired with a 9-Speed Automatic transmission and Intelligent All-Wheel Drive, delivering a smooth and efficient performance with an impressive 25 city / 28 highway MPG rating.
Step inside the Terrain SLE and you'll be greeted by a spacious and well-appointed cabin, featuring premium cloth seating, a 7-inch GMC Infotainment Audio System, and a host of advanced technology features. The Driver Convenience Package adds even more luxurious touches, including Dual-Zone Automatic Climate Control, Heated Front Seats, and Remote Start for your ultimate comfort and convenience.
Safety is also a top priority in the 2021 Terrain SLE, with the comprehensive GMC PRO SAFETY PLUS suite of driver-assist technologies. This includes Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert, and Rear Park Assist, giving you added peace of mind on the road.
Whether you're navigating the daily commute or embarking on a weekend adventure, the 2021 GMC Terrain SLE is the perfect companion. With its impressive capabilities, thoughtful features, and refined styling, this SUV is sure to exceed your expectations. We invite you to experience the Terrain SLE for yourself and discover why it's the ideal choice for your next vehicle.
Contact us today to schedule a test drive and let us demonstrate how the 2021 GMC Terrain SLE can elevate your driving experience.
Used 2021 GMCTerrain SLE SUV
- Exterior Color
- Graphite Gray
- Interior Color
- Jet Black
- Odometer
- 96,202 miles
- Body/Seating
- SUV/5 seats
- Fuel Economy
- 25/28 MPG City/Hwy
- Transmission
- Automatic
- Drivetrain
- All-Wheel Drive
- Engine
- I-4 cyl
- VIN
- 3GKALTEV0ML368211
- Stock Number
- 26B124AA
GMC
Terrain
Highlighted Features
- Lane departure
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera rear
- Front dual zone A/C
- Auto high-beam headlights
- Auto-dimming rearview mirror
- High intensity discharge headlights
- Split folding rear seat
- Heated front seats
Included Packages & Accessories
- Preferred Equipment Group 3SA
- Tires: P225/65R17 AS BW
- Engine: 1.5L Turbo DOHC 4-Cylinder SIDI VVT
- 3.47 Axle Ratio
- Power Programmable Rear Liftgate
- Transmission: 9-Speed Automatic 9T45
- License Plate Front Mounting Package
- Wheels: 17" x 7" Silver Painted Aluminum
- 8-Way Power Driver Seat Adjuster
- Power Driver Lumbar Control
- Remote Start
- Dual-Zone Automatic Climate Control
- Radio: GMC Infotainment Audio System w/7" Display
- 2 USB Data Ports w/Auxiliary Input Jack
- 6-Speaker Audio System Feature
- Bluetooth For Phone
- Rear Park Assist
- 4-Way Manual Front Passenger Seat
- Driver Convenience Package
- Driver & Front Passenger Heated Seats
- Roof-Mounted Luggage Rack Black Side Rails
- Safety Alert Seat
- Outside Heated Power-Adjustable Mirrors
- Rear Cross-Traffic Alert
- Lane Change Alert w/Side Blind Zone Alert
- Adaptive Cruise Control
- GMC Pro Safety Plus
- Front Bucket Seats
- 4-Way Manual Driver's Seat
Included Packages & Options
- Driver Convenience Package$1,375
- Remote Start
- Dual-Zone Automatic Climate Control
- Driver & Front Passenger Heated Seats
- 8-Way Power Driver Seat Adjuster
- Roof-Mounted Luggage Rack Black Side Rails
Included Options
- Power Programmable Rear Liftgate$400
- License Plate Front Mounting Package$40
Detailed Specifications
- 1-touch down
- 1-touch up
- Adaptive Cruise Control: Adaptive Cruise Control
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar and GMC connected services capable
- Front beverage holders
- Front dual zone A/C
- Illuminated entry
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- Tilt steering wheel
- Trunk/hatch auto-latch
- Alloy wheels
- Four wheel independent suspension
- Front anti-roll bar
- Power steering
- Rear anti-roll bar
- Speed-sensing steering
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Speakers: 6
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front seats
- Max seating capacity: 5
- Power 2-way driver lumbar support
- Power driver seat
- Premium cloth
- Rear seat center armrest
- Rear seats: bench
- Rear seats Folding position: fold forward seatback
- Seat Upholstery: premium cloth
- Split folding rear seat
- Compressor: intercooled turbo
- Cylinder configuration: I-4
- Drive type: all-wheel
- Engine liters: 1.5L
- Engine location: front
- Fuel economy city: 25mpg
- Fuel economy combined: 26mpg
- Fuel economy highway: 28mpg
- Fuel tank capacity: 15.6gal.
- Horsepower: 170hp @ 5,600RPM
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Number of valves: 16
- Recommended fuel: Regular Unleaded
- Standard fuel economy fuel type: gasoline
- Torque: 203 lb.-ft. @ 2,000RPM
- Transmission: 9 speed automatic
- Variable valve control
- Ground clearance (min): 175mm (6.9")
- Bumpers: body-color
- Heated door mirrors
- Power door mirrors
- Power liftgate
- Rear cargo: power liftgate
- Roof rack: rails only
- Spoiler
- Trailer sway control
- Turn signal indicator mirrors
- Compression ratio: 10.00 to 1
- Curb weight: 1,643kg (3,622lbs)
- Engine bore x stroke: 73.9mm x 86.4mm (2.91" x 3.40")
- Engine displacement: 1.5 L
- Engine horsepower: 170hp @ 5,600RPM
- Engine torque: 203 lb.-ft. @ 2,000RPM
- Exterior body width: 1,839mm (72.4")
- Exterior height: 1,661mm (65.4")
- Exterior length: 4,630mm (182.3")
- Front headroom: 1,016mm (40.0")
- Front hiproom: 1,382mm (54.4")
- Front legroom: 1,039mm (40.9")
- Front shoulder room: 1,453mm (57.2")
- GVWR: 2,100kg (4,630lbs)
- Interior maximum rear cargo volume: 1,792 L (63 cu.ft.)
- Interior rear cargo volume: 838 L (30 cu.ft.)
- Rear headroom: 978mm (38.5")
- Rear hiproom: 1,316mm (51.8")
- Rear legroom: 1,008mm (39.7")
- Rear shoulder room: 1,412mm (55.6")
- Towing capacity: 680kg (1,500lbs)
- Turning radius: 5.7m (18.7')
- Wheelbase: 2,725mm (107.3")
- Appearance: analog
- Auto high-beam headlights
- Blind spot: Lane Change Alert with Side Blind Zone Alert warning
- Compass
- Configurable
- Delay-off headlights
- Exterior parking camera rear
- Front reading lights
- Fully automatic headlights
- High intensity discharge headlights
- Lane departure: active
- Low tire pressure warning
- Outside temperature display
- Parking sensors: rear
- Rear window defroster
- Rear window wiper
- Tachometer
- Trip computer
- Variably intermittent wipers
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Rear collision: warning
- Security system
- Tracker system
- Traction control
Standard Features
- Remote Start
- Dual-Zone Automatic Climate Control
- Driver & Front Passenger Heated Seats
- 8-Way Power Driver Seat Adjuster
- Roof-Mounted Luggage Rack Black Side Rails
- 2 USB Data Ports w/Auxiliary Input Jack
- 6-Speaker Audio System Feature
- Bluetooth For Phone
- 4-Way Manual Driver's Seat
- 4-Way Manual Front Passenger Seat
- Power Driver Lumbar Control
Dealer Notes
KBB.com Consumer Reviews

Overall3.9Out of 5
- 5.0
Awesome car
By OHGMCDenali | on 2/13/2026 7:18:25 PM
This purchase has turned out to be the best thing I did in car purchasing in a while. I enjoy the ride, the comfort and the equipment. Its not a rocket ship but who needs an SUV to go from 0 - 60 in 2 secs? If you need that stay in a sports car. You'll love this well made SUV… - 4.0
Drives and rides great!
By NanaKaren | on 1/7/2026 4:26:41 AM
It drives and rides great! It has all the bells and whistles you would expect on a denali. The back seats are just as comfortable as the front seats are. The only draw back is the wind and road noise.… - 5.0
2019 GMC Terrain SLT AWD
By Victor | on 7/28/2025 10:09:34 PM
Start to finish the BEST SUV for the $$$. GMC quality and luxury combined at it's best! One happy customer with NO regrets…
All reviews on KBB.com
Based on 53 consumer ratings for 2018–2024 models. | Privacy
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