Used GMC Sierra 1500s for sale in Markham, ON

2020 GMC Sierra 1500 Elevation – 5.3L V8 – X31 – LEER Cap – New Tires/Brakes

Looking for a clean, fully equipped Sierra that’s already built for work, play, towing, and off-road? This is the one. With the powerful 5.3L V8, premium interior, and the coveted X31 Off-Road Package, this truck is loaded with value from every angle.

KEY FEATURES & UPGRADES

🔹 Elevation Trim

• Black grille & body-color bumpers

• LED cargo lighting

• 20" black wheels (depending on build)

• Keyless entry + push-button start

• Apple CarPlay / Android Auto

• Premium interior accents

🔹 X31 Off-Road Package

• Off-road tuned suspension

• Hill Descent Control

• Underbody skid plates

• Heavy-duty air filter

• Dual exhaust (on many builds)

• Extra durability + all-terrain capability

🔹 Elevation Convenience Package (with Bucket Seats!)

• Front bucket seats w/ large center console

• Heated front seats + heated steering wheel

• Dual-zone automatic climate control

• 10-way power driver seat

• Remote start

• Power rear sliding window

• Rear window defogger

🔹 Trailering Package

• Hitch platform w/ 2" receiver

• 7-pin + 4-pin connectors

• Enhanced cooling

• Trailer sway control

• Integrated Trailer Brake Controller installed

ADDED VALUE

• 300 LEER Cap – secure, weather-sealed, perfect for work or travel

• Factory Spray-On Bedliner – long-lasting protection

• Brand-New High-End Tires – smooth, quiet, all-terrain ready

• New Brakes & Rotors – peace of mind + major maintenance already done

• Well-maintained, clean, and cared for

WHY BUY THIS TRUCK?

• ✔ Not a base model — fully loaded with desirable packages

• ✔ Strong & reliable 5.3L V8

• ✔ Off-road ready, trailering ready, adventure ready

• ✔ Thousands in extras: LEER cap, bedliner, tires, brakes

• ✔ Turn-key truck — needs nothing

👉 Available now at Eastside. Don’t miss a fully equipped Elevation like this — they don’t come around often.

🔥 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.

2025 GMC Sierra Elevation 1500 4x4 – X31 Off-Road Package

If you're looking for a truck that blends aggressive styling, serious capability, and everyday comfort — this is it.

The 2025 GMC Sierra 1500 Elevation 4x4 delivers bold looks, proven V8 power, and off-road confidence with the highly sought-after X31 Off-Road Package and 5.3L V8.

Available now at Eastside GM — a reputable and trusted dealership in Markham.

Performance

5.3L EcoTec3 V8 Engine

• 355 horsepower

• 383 lb-ft of torque

• Paired with a smooth 10-speed automatic transmission

• Dynamic Fuel Management for improved efficiency

This V8 delivers strong acceleration, confident highway merging, and the torque you need for towing, hauling, and weekend adventures.

X31 Off-Road Package

The X31 package upgrades your capability with:

• Off-road suspension with tuned shocks

• Hill Descent Control

• 2-speed Autotrac transfer case

• Underbody skid plates

• Heavy-duty air filter

• Dual exhaust system

• X31 badging

Perfect for cottage roads, snow, job sites, or off-grid exploring.

Towing & Capability

When properly equipped, the 5.3L V8 Sierra 1500 can tow up to approximately 11,000 lbs.

That means you can confidently haul:

• Boats

• Travel trailers

• Equipment trailers

• Work gear

• Recreational vehicles

You get serious capability without stepping into heavy-duty territory.

Interior & Features

Bucket Seats & Center Console

• Premium front bucket seats

• Large center console with substantial storage

• Driver-focused layout

• Modern digital display

• Apple CarPlay & Android Auto compatibility

• Available heated seats and steering wheel (depending on configuration)

Factory Spray-In Bedliner

• Durable and long-lasting

• Protects against scratches and corrosion

• Ready for work immediately

Elevation Styling

The Elevation trim stands out with:

• Gloss black grille

• Body-colour bumpers

• Black wheels

• LED lighting

• Strong, athletic stance

It looks as powerful as it performs.

Why Buy from Eastside GM?

Eastside GM in Markham is known for:

• Professional, transparent service

• Strong community reputation

• Quality-certified vehicles

• Financing options available

You’re not just buying a truck — you’re buying confidence.

The Bottom Line

This 2025 GMC Sierra Elevation 1500 4x4 comes loaded with:

• 5.3L V8 Power

• X31 Off-Road Package

• Bucket Seats

• Factory Spray-In Bedliner

• Up to 11,000 lbs of towing capability

• Bold Elevation styling

If you're ready for a truck that works hard, looks incredible, and delivers real capability — this is it.