2021 GMC Sierra 1500 4WD Crew Cab 147 AT4 â" AT4 Value Package, Technology Package, Driver Alert Package II, AT4 CarbonPro Edition, Driver Alert Package I, AT4 Preferred Package, Preferred Equipment Group 4SB â" Duramax 3L I-6 diesel direct injection, DOHC, variable valve control, intercooled turbo engine with 277HP paired to a 10-speed automatic, offering diesel torque with fuel-conscious highway manners. This AT4 blends rugged capability with refined technology and safety to make towing, trailering and daily driving more confident and comfortable.
AT4 Value Package enhances everyday usefulness so the truck is better prepared for work and play without adding unnecessary complexity.
Technology Package elevates visibility and situational awareness, giving you clearer camera angles and smarter displays that simplify parking, hitching and tight maneuvers.
Driver Alert Package II brings advanced highway aids that help manage distance, speed and lane position, reducing fatigue on long drives and improving overall confidence behind the wheel.
AT4 CarbonPro Edition adds more durable materials where it matters most, increasing resistance to wear and protecting the bed and body during heavy-duty use.
Driver Alert Package I focuses on low-speed confidence with extra warnings and sensors that make lane changes, backing up and working in tight spaces less stressful.
AT4 Preferred Package injects creature comforts and premium touchesâ"better audio, wireless charging and convenience featuresâ"so daily commutes and long trips feel more enjoyable.
Preferred Equipment Group 4SB bundles trailering and utility tools that simplify hooking up, monitoring and maintaining trailers for more predictable towing experiences.
Smart device mirroring brings your phoneâs navigation and entertainment into the Sierraâs infotainment system so you can access maps and media with fewer distractions.
Forward collision mitigation constantly scans ahead and prepares the vehicle to intervene when a frontal impact becomes likely, helping to prevent or reduce collision severity.
Front pedestrian impact prevention extends that forward-looking protection to people on the road, assisting to detect and avoid pedestrians when possible.
Mobile hotspot keeps passengers and devices connected through the truckâs private network so work, streaming and navigation stay online without burning personal data.
The rear camera and expanded camera views improve reversing and trailer hookups, giving clearer imagery of blind spots behind and around the truck.
Lane departure prevention helps keep the Sierra centered in its lane by alerting or correcting unintended drifts, adding an extra layer of highway safety.
Adaptive cruise control acts like a smart co-pilot by maintaining your chosen speed while adjusting distance to
2021 GMC Sierra 1500 AT4
- Certified vehicle
- Diesel
The overview
- Exterior Color
- Summit White
- Interior Color
- Jet Black
- Odometer
- 92,125 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Seats
- 5 seats
- Fuel Economy
- 16/21 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- I-6 cyl
- VIN
- 3GTU9EET3MG247277
- Stock Number
- 18238A
The highlights
- Leather upholstery
- Automatic temperature control
- Wireless phone connectivity
- Front dual zone A/C
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
- Heated front seats
- Ventilated front seats
- Perimeter/approach lights
- Remote keyless entry
- Heated steering wheel
The full specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- 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
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- Tires: all-terrain
- 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
- 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: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Cylinder deactivation
- Drive type: four-wheel
- Engine location: front
- Fuel economy city: 16mpg
- Fuel economy combined: 18mpg
- Fuel economy highway: 21mpg
- Fuel tank capacity: 24.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Standard fuel economy fuel type: gasoline
- Transmission: 10 speed automatic
- Variable valve control
- Ground clearance (min): 276mm (10.9")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Trailer hitch receiver
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,990mm (78.3")
- Exterior length: 5,885mm (231.7")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,655mm (65.2")
- Wheelbase: 3,744mm (147.4")
- Appearance: analog
- Compass
- Delay-off headlights
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 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
- Traction control
Notes from the dealer
Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status
A name you can trust
Phil Long Kia of Colorado Springs is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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