LEER 100XQ Topper – GMC Sierra 1500
LEER 100XQ Topper is a premium fiberglass truck cap designed specifically for the GMC Sierra 1500. Positioned at the top of LEER’s lineup, the 100XQ features automotive-inspired styling, frameless flush-mounted glass, and integrated design elements that closely complement the Sierra’s body lines while providing secure, weather-resistant cargo storage.
Key Features
Premium Cab-High Design
The 100XQ follows the roofline of the GMC Sierra 1500, creating a seamless, factory-installed appearance while maximizing usable cargo space.
Automotive-Grade Fiberglass Construction
Built from high-quality fiberglass, the topper offers:
- Excellent strength and durability
- Smooth, paint-ready finish
- Corrosion resistance
- Long-lasting performance
Flush-Mounted Side Windows
The frameless side windows provide:
- Modern, upscale styling
- Improved aerodynamics
- Enhanced visibility
- Easy cleaning
Frameless Rear Glass Hatch
The rear door features:
- Dark-tinted safety glass
- Rotary latch locking system
- Gas-assisted lift supports
- Wide cargo opening for convenient access
GMC Sierra 1500 Compatibility
The LEER 100XQ is available for many GMC Sierra 1500 model years and bed configurations.
| Bed Length | Availability |
|---|---|
| 5’8″ Short Bed | Yes |
| 6’6″ Standard Bed | Yes |
Fitment depends on:
- Model year
- Cab style (Regular, Double, or Crew Cab)
- Bed length
- Factory bed options, including CarbonPro on select models
Always verify exact fitment before purchasing a topper.
Standard Features
Most LEER 100XQ toppers include:
| Feature | Benefit |
|---|---|
| Flush-Mounted Side Glass | Premium factory-style appearance |
| Carpeted Interior Headliner | Improved insulation and finished look |
| Tinted Safety Glass | Privacy and UV protection |
| LED Third Brake Light | Enhanced visibility |
| Rotary Latch Rear Door | Secure cargo storage |
| Weather-Resistant Seals | Helps keep cargo dry |
Popular Optional Upgrades
Many Sierra owners customize their 100XQ with:
- Sliding front window
- Roof rack tracks
- Interior LED lighting
- Remote keyless locking
- Pet screens
- Cargo organizers
- Reinforced roof structure for additional load capacity
Benefits of the LEER 100XQ
Maximum Cargo Security
The locking rear hatch helps protect tools, equipment, luggage, and valuable cargo.
Excellent Weather Protection
The topper helps shield cargo from:
- Rain
- Snow
- Dust
- Road debris
- UV exposure
Luxury Appearance
The flush-mounted glass and sculpted design provide one of the most refined looks available for the GMC Sierra 1500.
Versatile Everyday Use
Ideal for:
- Contractors
- Outdoor enthusiasts
- Campers
- Hunters
- Families
- Daily drivers
Advantages
- Premium flush-glass styling
- Durable fiberglass construction
- Factory paint-matching available
- Secure locking rear hatch
- Excellent weather resistance
- Strong resale value
Typical Pricing
| Condition | Estimated Price |
|---|---|
| Used | $1,800–$3,800 |
| New | $4,000–$6,500+ |
Prices vary depending on:
- Sierra model year
- Bed length
- Paint matching
- Factory-installed options
- Regional market demand
Maintenance Tips
To keep your LEER 100XQ topper in excellent condition:
- Wash regularly with automotive soap.
- Lubricate locks and hinges every few months.
- Inspect weather seals annually.
- Tighten mounting hardware as needed.
- Clean windows and tracks using non-abrasive cleaners.
Frequently Asked Questions
What makes the LEER 100XQ different from the 100XR?
The 100XQ features more sculpted styling, premium flush-mounted glass, and additional design enhancements that create a more integrated, luxury appearance.
Can the LEER 100XQ be painted to match my GMC Sierra 1500?
Yes. Most models are available in factory-matched GMC paint colors.
Can roof racks be installed?
Yes. Roof rack tracks and compatible cargo systems are available as optional upgrades.
Is the LEER 100XQ suitable for camping?
Yes. Its enclosed, weather-resistant design makes it an excellent platform for truck-bed camping and overlanding.
How long does a LEER 100XQ topper last?
With proper maintenance, a fiberglass LEER 100XQ can provide 15–20 years or more of reliable service.
Conclusion.
LEER 100XQ Topper for the GMC Sierra 1500 is a premium truck cap that combines luxury styling with dependable performance. Its flush-mounted glass, durable fiberglass construction, secure locking system, and factory-matched finish make it an excellent choice for Sierra owners who want top-tier cargo protection, refined looks, and long-lasting value.
Vehicle Fitment:
| Make | Model | Year |
|---|---|---|
| GMC | Sierra 1500 | 2019 – Current |


















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