2023 GMC Sierra 1500 AT4
Recent Arrival! Pre-delivery services completed: Changed oil/filter, replaced engine/cabin air filters, replaced wiper blades & washed/detailed vehicle.
Overview & Highlights
Engine & Performance
Engine: 6.2L EcoTec3 V8 delivering 420 horsepower and 460 lb-ft of torqueâ
Transmission: 10-speed automatic with Electronic Precision Shiftâ
Drivetrain: Four-wheel drive is required with this engine and standard on AT4â
Fuel Economy & Range
EPA Estimates (4WD only):
City / Highway: 15 / 19 mpgâ
Combined estimate: around 17 mpgâ
Fuel Tank Capacity: Approximately 24 gallonsâ
Real-world reports:
One owner reported ~20 mpg on the highway when cruising (~70 mph) with an unloaded truckâ
For towing setups, mileage dropped significantly: 6â"8 mpg when towing about 8,000 lbâ
Towing & Payload Capacity
Max Towing Capacity: Up to 13,000 lbs (varies by configuration)â
Payload Capacity: Up to 1,820 lbs depending on exact setupâ
Another source cites towing capacity near 8,900 lbs, possibly reflecting specific model configurationsâ
Off-Road Capability & Features
Comes with a 2-inch factory lift, off-road suspension, and Rancho monotube shocksâ
Equipped with AutoTrac 2-speed transfer case, automatic locking rear differential, and underbody skid platesâ
Interior includes 13.4â³ touchscreen, 12.3â³ driver display, and optional multicolor 15â³ head-up displayâ
A case comparison from Edmunds highlights the AT4 as balancing luxury and rugged off-road capability among its peersâ
Dimensions & Specifications
Cab & Bed: Crew Cab configuration, short bed (approx. 6.5-ft)â
Length: Around 232.9 inchesâ
Height: Approximately 78.4 inchesâ
Ground Clearance: Roughly 8 inches at minimumâ
Cargo Bed Length: About 69.9 inchesâ
Payload & Curb Weight: Payload around 1,380 lbs; curb weight near 5,690 lbs
Final Thoughts
The 2023 GMC Sierra 1500 AT4 with the 6.2L V8 is a compelling choice if you're prioritizing power, towing capability, and off-road readinessâ"all wrapped in a more upscale GMC presentation. Expect decent highway fuel efficiency around 20 mpg when lightly loaded, but prepare for steep drops when towing heavy loads.
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Usado 2023 GMCSierra 1500 AT4 4x4
Used Vehicle Prices do not include sales tax/IMF Fee, tag & title fees and $549 closing fee. Depending on the age of the vehicle, normal wear and tear should be anticipated. We may or may not have all the keys and floor mats but if desired we will provide at dealer cost. Unless the vehicle has a remaining factory warranty, all sales are AS-IS with no warranty. Customers must mention website advertisement and the date and time viewed to receive this advertised price. The final cash price charged at any dealership depends on many factors, including all products and services bought with the vehicle. Cars may have minor road chips, light scratches, wheel scuffs, etc. Dealer is not responsible for any misprints, price discrepancies, statements of condition, or incorrect equipment listed on any vehicle. It is the customer's sole responsibility to verify the accuracy of the prices with the dealer, including the pricing for all added accessories, before the sale. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service representative. This is easily done by calling us at (803) 469-9500 or by visiting us at the dealership. **With approved credit.