🔥 2021 GMC SIERRA AT4 4x4 – LOADED | 6.2L V8 🔥
One Owner | No Accidents | Fully Certified | Sold & Serviced at Eastside GM
This 2021 GMC Sierra AT4 is a seriously well-optioned truck that blends luxury, technology, and real off-road capability. Purchased brand new and serviced exclusively at Eastside GM, this one-owner truck has a clean, transparent Carfax that tells the full story. We encourage you to review it carefully — the maintenance history speaks for itself.
⚠️ Yes, the kms are slightly higher — and that’s exactly why this is such a smart buy. Highway-driven, properly maintained, and powered by GMC’s most desirable engine, this AT4 runs strong and tight. If you want extra peace of mind, bring your own mechanic — we welcome it.
💪 POWER & CAPABILITY
6.2L V8 Engine – smooth, powerful, and proven reliability
10-Speed Automatic Transmission – effortless power delivery
AT4 Off-Road Package – factory lift, Rancho shocks, skid plates
4x4 System with Hill Descent Control – confidence in all conditions
Dual Exhaust & Aggressive AT4 Styling
🛋️ PREMIUM LEATHER INTERIOR
Perforated Leather-Appointed Seats
Heated & Ventilated Front Seats
Heated Steering Wheel
Power Adjustable Front Seats with Memory
Premium AT4 Interior Trim & Red Accent Stitching
Dual-Zone Automatic Climate Control
🚘 TECHNOLOGY & DRIVER ASSIST
Technology Package II
HD Surround Vision (360° Camera)
Rear Camera Mirror – see behind you even with a full box
Head-Up Display – speed, navigation, and safety alerts in your line of sight
Driver Alert Package
Lane Change Alert with Blind Zone Monitoring
Rear Cross-Traffic Alert
Forward Collision Alert
Front & Rear Park Assist
🌞 EXTERIOR & CONVENIENCE FEATURES
Optional Power Sunroof – rare and highly sought after
20” Factory Alloy Wheels
LED Headlights, Fog Lights & Signature Lighting
Power Folding & Heated Mirrors
Remote Start & Keyless Entry
Spray-In Bedliner & Tow Package (if applicable)
✅ BUY WITH CONFIDENCE
✔ 1 Owner ✔ No Accidents – All Original ✔ Fully Certified ✔ Serviced Since New at Eastside GM ✔ Independent Inspection Welcome
This is not an average AT4. It’s a high-spec, honest truck with the right engine, the right options, and a documented history — the kind that’s getting harder to find.
📍 Only at Eastside GM 💰 All trades accepted 📉 Financing available
👉 Come see why this Sierra AT4 is a smart buy, not a gamble.