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Summit White GMC Terrain 1.6L DOHC 6-Speed Automatic 28/39 City/Highway MPG 28/39 City/Highway MPG FWD SLT
All of our preowned vehicles must pass through a rigorous inspection by one of our certified technicians before being offered for sale. This process includes inspecting for any safety or mechanical issues. Please call ahead to schedule your appointment today. We would love to answer any questions you may have. The Hiley family of dealerships has been in business in the DFW area for over four decades and customer satisfaction is our number one priority. $225 Documention Fee is included in all our vehicle internet pricing. Tax, title, license are not included in internet pricing.
Used 2018 GMCTerrain SLT
- Diesel
- Exterior Color
- Summit White
- Interior Color
- Medium Ash Gray/Jet Black
- Odometer
- 150,848 miles
- Body/Seating
- SUV/5 seats
- Transmission
- 6-Speed Automatic
- Drivetrain
- FWD
- Engine
- 1.6L DOHC
- VIN
- 3GKALREU5JL366122
- Stock Number
- C566M
GMC
Terrain
Highlighted Features
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- Exterior parking camera rear
- Front dual zone A/C
- Auto-dimming rearview mirror
- High intensity discharge headlights
- Split folding rear seat
- Memory seat
- Heated front seats
- Perimeter/approach lights
Included Packages & Accessories
- Preferred Equipment Group 4SB
- 2.89 Axle Ratio
- Wheels: 18" x 7" Machined Aluminum w/Gray Accents
- Perforated Leather-Appointed Seat Trim
- Radio: GMC Infotainment Audio System w/8" Display
- Radio: GMC Infotainment Audio System w/Navigation
- Driver Alert Package I
- Infotainment Package II
- Preferred Package
- Interior Protection Package (LPO)
- Memory Package
- 6-Way Power Front Passenger Seat
- 8-Way Power Driver Seat Adjuster
- Power Driver Lumbar Control
- Front Passenger 2-Way Power Lumbar
- Electric Auxiliary Cabin Heater
- Diesel B20 Fuel
- Driver & Front Passenger Heated Seats
- SD Card Reader
- 2 USB Data Ports
- Hands-Free Rear Power Programmable Liftgate
- SiriusXM Satellite Radio
- HD Radio
- Rear Park Assist & Safety Alert Seat
- Rear Cross-Traffic Alert
- Universal Home Remote
- Lane Change Alert w/Side Blind Zone Alert
- Bluetooth® For Phone
- Premium 7-Speaker Bose Sound System w/Amplifier
- 2 USB Data Ports w/Auxiliary Input Jack
- Heated Steering Wheel
- 6-Speaker Audio System Feature
- All-Weather Floor Mats
- All-Weather Cargo Mat (LPO)
- 4-Wheel Disc Brakes
- Apple CarPlay/Android Auto
- Emergency communication system: OnStar Guidance
- Exterior Parking Camera Rear
- AM/FM radio: SiriusXM
- Compass
- High-Intensity Discharge Headlights
- Auto-dimming Rear-View mirror
- Front beverage holders
- Variably intermittent wipers
- Turn signal indicator mirrors
- Trip computer
- Traction control
- Tilt steering wheel
- Telescoping steering wheel
- Steering wheel mounted audio controls
- Split folding rear seat
- Speed-sensing steering
- Speed control
- Security system
- Roof rack: rails only
- Remote keyless entry
- Rear window wiper
- Rear window defroster
- Rear seat center armrest
- Rear anti-roll bar
- Radio data system
- Power windows
- Power steering
- Power passenger seat
- Power driver seat
- Power door mirrors
- Passenger vanity mirror
- Passenger door bin
- Panic alarm
- Overhead console
- Overhead airbag
- Outside temperature display
- Occupant sensing airbag
- Memory seat
- Low tire pressure warning
- Illuminated entry
- Heated steering wheel
- Heated front seats
- Heated door mirrors
- Garage door transmitter
- Fully automatic headlights
- Front reading lights
- Front fog lights
- Front dual zone A/C
- Front anti-roll bar
- Four wheel independent suspension
- Dual front side impact airbags
- Dual front impact airbags
- Driver vanity mirror
- Driver door bin
- Delay-off headlights
- Bumpers: body-color
- Brake assist
- Automatic temperature control
- Auto-dimming door mirrors
- Alloy wheels
- ABS brakes
- Tachometer
- Spoiler
- Power Liftgate
- Front Center Armrest
- Front Bucket Seats
- Electronic Stability Control
- Air Conditioning
- 6 Speakers
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar Guidance
- Front beverage holders
- Front dual zone A/C
- Garage door transmitter
- Heated steering wheel
- Illuminated entry
- Memory seat
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: push button start only
- 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
- Front tires: 225/60TR18.0
- Power steering
- Rear anti-roll bar
- Rear tires: 225/60TR18.0
- Speed-sensing steering
- Wheel size: 18"
- 1st row LCD monitors: 2
- Primary LCD size: 8.0"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front seats
- Leather upholstery
- Max seating capacity: 5
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: bench
- Rear seats Folding position: fold forward seatback
- Split folding rear seat
- Compressor: intercooled turbo
- Cylinder configuration: I-4
- Drive type: front-wheel
- Engine liters: 1.6
- Engine location: front
- Fuel economy city: 28mpg
- Fuel economy combined: 32mpg
- Fuel economy highway: 39mpg
- Fuel tank capacity: 14.9gal.
- Horsepower: 137hp @ 3,750RPM
- Manual-shift auto
- Mode select transmission
- Number of valves: 16
- Recommended fuel: Diesel
- Torque: 240 lb.-ft. @ 2,000RPM
- Transmission: 6 speed automatic
- Ground clearance (min): 201mm (7.9")
- Auto-dimming door mirrors
- Bumpers: body-color
- Cargo: power liftgate
- Heated door mirrors
- Power door mirrors
- Power liftgate
- Spoiler
- Trailer sway control
- Turn signal indicator mirrors
- Compression ratio: 16.00 to 1
- Curb weight: 1,659kg (3,658lbs)
- Engine bore x stroke: 79.7mm x 80.1mm (3.14" x 3.15")
- Engine displacement: 1.6 L
- Engine horsepower: 137hp @ 3,750RPM
- Engine torque: 240 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 cargo volume: 838 L (30 cu.ft.)
- Interior maximum cargo volume: 1,792 L (63 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: 5.9m (19.2')
- Wheelbase: 2,725mm (107.3")
- Appearance: analog
- Compass
- Delay-off headlights
- Exterior parking camera rear
- Front fog lights
- Front reading lights
- Fully automatic headlights
- High intensity discharge headlights
- Low tire pressure warning
- Outside temperature display
- 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
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Security system
- Tracker system: OnStar Guidance
- Traction 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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