Gillman's Lifetime Engine Warranty lasts as long as you own your vehicle - free with the Gillman Pre-Owned Promise. If the vehicle isn't right for you, return it in purchase condition within 2 days or 200 miles as part of our Happy-Driving Guarantee. Valid only are vehicles under 90,000 miles and less than 7 years old
Drive in style and capability with this Silver 2021 GMC Sierra 1500 SLT Crew Cab 4x4. Powered by the efficient and robust Duramax 3.0L Diesel Turbo I6 engine paired with a 10-speed automatic transmission, this truck is ready for work or adventure. Tackle tough terrain with the X31 Off-Road Package, skid plates, and all-terrain tires. Enjoy premium features like leather-trimmed upholstery, heated and ventilated front bucket seats with center console, heated steering wheel, and dual-zone automatic climate control. The Texas Edition SLT Premium Package adds 20-inch polished aluminum wheels and chrome assist steps. Stay connected with the 8-inch GMC Infotainment System, wireless Apple CarPlay/Android Auto, Wi-Fi hotspot, and multiple USB outlets. Practical touches include a MultiPro tailgate, spray-in bedliner, trailer brake controller, and power-folding heated mirrors. Safety and convenience come standard with a rearview camera, remote start, blind spot monitoring, and advanced driver assistance tech. This Sierra 1500 SLT blends rugged capability with luxury and technology-perfect for work, play, or family.
All vehicles subject to prior sale. We are not responsible for typographical errors and may change information without notice. Photos may not depict the actual vehicle. Tax, title, and license fees not included. Dealer Discount available to all buyers.
Vehicles purchased from Gillman Automotive Group include a Bring It Back Guarantee: return the vehicle in purchase condition within two days or 200 miles. New current-model-year vehicles and qualifying pre-owned vehicles (under 90,000 miles and less than 7 years old) are eligible. Guarantee is non-transferable and has no cash value. Lifetime Warranty available on select pre-owned vehicles. See dealer for details; restrictions may apply.
2021 GMC Sierra 1500 SLT
- Used
- Diesel
The overview
- Exterior Color
- Quicksilver
- Interior Color
- Jet Black
- Odometer
- 65,375 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Fuel Economy
- 22/26 MPG City/Hwy
- Transmission
- Automatic
- Drivetrain
- 4x4
- Engine
- I-6 cyl
- VIN
- 3GTU9DET7MG246921
- Stock Number
- SA0450A
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
- Garage door transmitter
- 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 tires: 275/60SR20.0
- Front wheel independent suspension
- Power steering
- Rear tires: 275/60SR20.0
- Speed-sensing steering
- Tires: all-terrain
- Wheel size: 20"
- 1st row LCD monitors: 2
- Primary LCD size: 8.0"
- Radio data system
- Smart device integration: Android Auto/Apple CarPlay
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front seats
- Heated rear 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
- Block heater
- Compressor: intercooled turbo
- Cylinder configuration: I-6
- Drive type: four-wheel
- Engine liters: 3.0L
- Engine location: front
- Fuel economy city: 22mpg
- Fuel economy combined: 16mpg
- Fuel economy highway: 26mpg
- Fuel tank capacity: 24.0gal.
- Horsepower: 277hp @ 3,750RPM
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Number of valves: 24
- Rear locking differential
- Standard fuel economy fuel type: gasoline
- Transmission: 10 speed automatic
- Variable intake manifold
- Variable valve control
- Ground clearance (min): 205mm (8.1")
- Auto-dimming door mirrors
- Bumpers: chrome
- Door mirrors: chrome
- 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
- Compression ratio: 15.00 to 1
- Engine bore x stroke: 84.0mm x 90.0mm (3.31" x 3.54")
- Engine horsepower: 277hp @ 3,750RPM
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,918mm (75.5")
- 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")
- GVWR: 3,266kg (7,200lbs)
- 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")
- Towing capacity: 3,856kg (8,500lbs)
- 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
All vehicles subject to prior sale. We reserve the right to make changes without notice, and are not responsible for typographical errors. Photo may not represent actual vehicle. Tax, title and licence fees not included.