Dave Sinclair Customs

Dave Sinclair Customs Dave Sinclair Customs is St. Louis’ truck and SUV customization specialist.

🇺🇸 We honor and remember the brave men and women who gave their lives in service to this great country. 🇺🇸Dave Sinclair ...
05/25/2026

🇺🇸 We honor and remember the brave men and women who gave their lives in service to this great country. 🇺🇸

Dave Sinclair Buick GMC & Dave Sinclair Customs are closed today in observance of Memorial Day.

We will resume normal business hours on Tuesday, May 26th.

Wishing everyone a safe Memorial Day.

Another one done ✅This 2026 GMC Sierra 1500 Denali Truck (LT261226) was customized for one of our customers and delivere...
05/15/2026

Another one done ✅

This 2026 GMC Sierra 1500 Denali Truck (LT261226) was customized for one of our customers and delivered.

This customization included:
— Chrome Delete
— 3.5" Lift
— 22" VOSSEN Rims (HF64)
— Tri-Fold Bed Cover
— Custom GMC Emblems

This truck is SOLD and no longer available. But if you want to start your customization with us, here are the steps:

1. Submit a contact form HERE: https://www.davesinclairbuickgmc.com/contactus.aspx

2. Call us directly at (314) 842-4200

05/08/2026

Putting the final touches on phase 1

Wheels shown: 24-inch GM factory wheels
Tires shown: NITTO Recon Grappler Tires

Tire spec: 305/35R24
Tire Diameter size: 32.4 inches

04/24/2026

2026 GMC Sierra 1500 AT4X with a 3.5" lift from Ready Lift

💰 Price: $83,131
📦 Stock #: CT260969

• 22-inch Rims
• Off-Road NITTO tires
• AT4X Trim level

👉 Check it out with the link in bio

04/10/2026

We wouldn't really be "Dave Sinclair Customs" if you couldn't order a la carte.

This 2026 GMC Sierra 1500 Denali Ultimate was upfitted with a handful of upgrades we offer like: Chrome delete. Tire upgrade. Custom GMC accessories.

Clean, simple, exactly how the customer wanted it.

Looking for a custom Sierra 1500 or want to build one your way? Tap the link in bio to shop trucks or connect with our custom team.

03/30/2026

Behind the scenes: Installing the ReadyLift kit onto a sold 2026 GMC Sierra 3500 HD truck for one of our customers.

03/27/2026

A previous project: Full Chrome Delete, Wheel & Tires, and more for this 2026 GMC Sierra 2500 HD Denali truck

This truck is SOLD but we can customize one just like it for you, whether you buy it from us or elsehwere.

Click the link in bio to get started

Luxury without the wait.Stock: CT260674Price: $133,710For those looking for Denali Ultimate luxury and custom-level pres...
03/26/2026

Luxury without the wait.

Stock: CT260674
Price: $133,710

For those looking for Denali Ultimate luxury and custom-level presence, this 2026 GMC Yukon Denali Ultimate is ready when you are.

✅ Full Chrome Delete
✅ Upgraded Wheels & Tires
✅ Front massaging seats
✅ 16.8" touchscreen with Google built-in
✅ Panoramic sunroof
✅ Super Cruise hands-free driving
✅ Air Ride Adaptive Suspension
✅ Premium Bose audio system

See more here: https://bit.ly/4uKJWES

03/18/2026

2026 GMC Yukon AT4 in Midnight Pine, a color exclusive to the AT4 and AT4 Ultimate trim levels of the Yukon.

03/17/2026

Small changes make a big difference

Address

5655 South Lindbergh Boulevard
St. Louis, MO
63123

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 6pm
Thursday 9am - 6pm
Friday 9am - 6pm
Saturday 9am - 6pm

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