LEER 100XQ Topper is LEER’s flagship fiberglass truck cap, offering premium styling, advanced features, and exceptional cargo protection for the GMC Sierra 1500. Designed with flush-mounted automotive glass and a sleek cab-high profile, the 100XQ blends seamlessly with the Sierra’s body lines while delivering secure, weather-resistant storage.

Key Features

Premium Cab-High Design

The 100XQ follows the roofline of the GMC Sierra 1500, providing a streamlined appearance and maximizing enclosed cargo space.

Automotive-Grade Fiberglass Construction

The topper is manufactured from high-strength fiberglass, offering:

• Long-lasting durability
• Smooth, paint-ready finish
• Corrosion resistance
• Excellent structural integrity

Flush-Mounted Side Windows

The frameless side windows provide:

• A clean, modern appearance
• Improved aerodynamics
• Enhanced visibility
• Easy maintenance

Frameless Rear Glass Door

The rear hatch features:

• Dark-tinted safety glass
• Rotary latch locking system
• Gas-assisted lift supports
• Wide-opening access for loading cargo

GMC Sierra 1500 Compatibility

The LEER 100XQ is available for a wide range of GMC Sierra 1500 models.

Fitment depends on:

• Model year
• Cab style (Regular, Double, or Crew Cab)
• Bed length
• Factory bed features, including CarbonPro availability on select models

Always verify your truck’s specifications before ordering or purchasing a used topper.

Standard Features

Most LEER 100XQ toppers include:

Popular Optional Upgrades

Many Sierra owners customize the 100XQ with:

• Sliding front window
• Roof rack tracks
• Interior LED lighting
• Remote keyless locking
• Pet screens
• Cargo organizers
• Reinforced roof support for rooftop accessories

These upgrades improve convenience and make the topper suitable for work, recreation, and overlanding.

Benefits of the LEER 100XQ

Superior Cargo Security

The locking rear hatch helps safeguard tools, equipment, luggage, and valuable gear.

Excellent Weather Protection

The topper shields cargo from:

• Rain
• Snow
• Dust
• Road debris
• UV exposure

Luxury Appearance

Its flush-mounted windows, sculpted design, and paint-matched finish create one of the most refined looks available for the GMC Sierra 1500.

Versatile Performance

The 100XQ is ideal for:

• Contractors
• Outdoor enthusiasts
• Campers
• Hunters
• Families
• Everyday drivers

Advantages

• Premium flush-glass styling
•  Durable fiberglass construction
•  Factory paint-matched finish available
•  Secure locking rear hatch
•  Excellent weather resistance
•  Strong resale value

Typical Pricing

Pricing depends on:

• Sierra model year
• Bed length
• Paint color
• Optional accessories
• Regional market conditions

Maintenance Tips

To keep your LEER 100XQ topper looking and performing its best:

1. Wash regularly using automotive soap.
2. Lubricate locks and hinges every few months.
3. Inspect weather seals annually.
4. Tighten mounting hardware as needed.
5. Clean windows and tracks with non-abrasive cleaners.

Frequently Asked Questions

How is the LEER 100XQ different from the LEER 100XR?

The 100XQ features a more sculpted design with premium flush-mounted glass and additional styling enhancements, giving it a more integrated, luxury appearance.

Can the LEER 100XQ be color-matched to my GMC Sierra 1500?

Yes. Most models can be ordered in factory-matched GMC paint colors.

Can roof racks be added?

Yes. Roof rack tracks and compatible cargo systems are available as optional accessories.

Is the LEER 100XQ suitable for camping?

Yes. Its secure, weather-resistant design makes it an excellent option for truck-bed camping and overlanding.

How long does a LEER 100XQ topper last?

With routine maintenance, a fiberglass LEER 100XQ can provide 15–20 years or more of dependable service.

Conclusion

LEER 100XQ Topper for the GMC Sierra 1500 is a premium truck cap that combines luxury styling, durable fiberglass construction, and dependable cargo protection. With its flush-mounted glass, factory-matched finish, and customizable options, it’s an outstanding choice for Sierra owners who want a topper that delivers both exceptional functionality and a refined, factory-installed appearance.