2020 Duramax AT4 – Built to Turn Heads & Haul Anything
Overview
- Year: 2020
- Make: GMC
- Model: Sierra 2500
- Trim: AT4
- Colour: White
- Body Type: Pickup Truck
- Seats: 5
- Drivetrain: 4 x 4
- Transmission: Automatic
- Fuel Type: Diesel
Sunroof
Navigation system
Bluetooth
Push button start
Cruise control
Trailer hitch
Description
If you’re after a powerful, clean, and fully loaded diesel truck that needs absolutely nothing, look no further. This 2020 GMC Sierra AT4 Duramax is ready to work or play—and it looks as good as it runs. ⸻ ✅ Features & Upgrades: • 6.6L Duramax Diesel – Deleted & tuned for serious power • Programmer on the go – Adjust performance anytime • Cold air intake – Boosts performance and efficiency • Positive air shutoff • 3” body lift – Gives it an aggressive stance • Extra leaf springs + rear air bags with built-in compressor – Tow and haul with confidence • Fifth-wheel ready – Hook up and hit the road • Brand new tires – Grip and go • Automatic running boards – Convenience meets style • Transmission replaced at 81,000 km – Smooth and strong • Interior still mint – No wear, no smells, no stains • No rust or dents – Clean, straight body ⸻ This truck is tight, clean, and mean—drives like new, sounds like a beast, and turns heads everywhere it goes. Whether you’re towing, hauling, or just cruising, this rig checks every box.
Vehicle History

Accident history
Money owed on vehicle
Service records
Open safety recalls