The INEOS Grenadier Quartermaster is the pickup truck built for drivers who refuse to settle. Extending the legendary Grenadier platform into a dedicated load-carrying configuration, the Quartermaster combines class-leading off-road capability with genuine working utility — delivering a pickup truck that can handle whatever Texas demands. At Mossy INEOS Grenadier Houston, we're proud to bring this remarkable vehicle to drivers across the greater Houston area.

The Quartermaster's Dedicated Load Bed

The defining feature of the Grenadier Quartermaster is its extended wheelbase and purpose-designed aluminum load bed. Stretching beyond the standard Grenadier's footprint, the Quartermaster provides a spacious, rugged bed ready for equipment, gear, livestock, or whatever your work demands. The bed is built to the same standard of durability that defines the entire Grenadier lineup — not an afterthought, but an integral part of a purpose-engineered work vehicle. With a towing capacity of up to 8,000 lbs, the Quartermaster is also ready to pull a trailer without breaking a sweat.

A full-length roof rack runs above the cab, adding significant additional carrying capacity for overland gear, toolboxes, or ladders. The Quartermaster is, in every sense, a vehicle designed around maximizing what you can carry, haul, and tow — without sacrificing the off-road credentials that make the Grenadier platform unique.

Same Uncompromising 4x4 Platform

Under the Quartermaster's extended body lies the same proven engineering foundation as the core Grenadier. A fully boxed ladder frame chassis provides the structural backbone, while permanent four-wheel drive with a two-speed BorgWarner transfer case and front, center, and rear locking differentials ensure that no terrain is off-limits. Ground clearance of up to 264mm and an 800mm wading depth mean the Quartermaster performs in conditions that would stop most pickup trucks in their tracks.

Power comes from a BMW-sourced 3.0-liter inline-6 engine, available in turbocharged petrol (B58) or turbodiesel (B57) configuration, paired with an 8-speed ZF automatic transmission. Whether you're hauling a heavy load across a muddy worksite or navigating flooded Houston roads, the Quartermaster's powertrain delivers the torque and control to handle it confidently.

Built for Work. Built for Houston.

Houston's diverse landscape — from the urban core to the surrounding ranches, oilfields, and back roads of the greater Texas Gulf Coast — demands a work vehicle that can truly do it all. The Quartermaster was designed with exactly this kind of versatile, demanding use in mind. Its flat, replaceable body panels, accessible mechanical layout, and modular design mean it can be maintained and repaired with minimal fuss, making it a sound long-term investment for working drivers who can't afford downtime.

The Quartermaster is also available with the same range of option packs as the core Grenadier, including the Utility Pack, Off-Road Pack, and Comfort Pack, allowing you to tailor the vehicle precisely to your needs. Whether you're running it as a dedicated work truck, an overland adventure vehicle, or both, the Quartermaster delivers without compromise.

Shop the INEOS Grenadier Quartermaster at Mossy INEOS Grenadier Houston

Visit our Houston showroom to see the Grenadier Quartermaster in person, explore available configurations and option packs, and take it for a test drive. Our INEOS specialists are ready to help you spec the right Quartermaster for your work and lifestyle. Browse our current inventory online or contact us today to get started.

Explore the Full INEOS Grenadier Lineup

Grenadier Quartermaster

Grenadier Station Wagon

INEOS Grenadier Quartermaster FAQ – Mossy INEOS Grenadier in Houston, TX

What is the INEOS Grenadier Quartermaster?

The INEOS Grenadier Quartermaster is a purpose-built pickup truck based on the Grenadier's proven ladder frame platform. It features an extended wheelbase and a dedicated aluminum load bed, combining the Grenadier's legendary off-road capability with serious load-carrying and towing utility — making it one of the most capable work-focused pickups available today.

How does the Quartermaster differ from the standard Grenadier?

The Quartermaster shares the same core engineering as the Grenadier — ladder frame chassis, permanent 4WD, two-speed transfer case, three locking differentials, and BMW inline-6 engines — but adds an extended wheelbase and a purpose-designed aluminum load bed in place of the Station Wagon's enclosed rear cabin. It also features a full-length roof rack over the cab for additional carrying capacity.

What is the towing capacity of the INEOS Grenadier Quartermaster?

The Grenadier Quartermaster is rated to tow up to 8,000 lbs, making it well-suited for trailers, boats, equipment, and livestock. Combined with its off-road capability and the available diesel powertrain's low-end torque, the Quartermaster is a genuinely capable tow vehicle for demanding Texas conditions.

What engines are available in the Grenadier Quartermaster?

The Quartermaster is available with a BMW-sourced 3.0-liter turbocharged petrol inline-6 (B58) or a BMW-sourced 3.0-liter turbocharged diesel inline-6 (B57). Both are paired with an 8-speed ZF automatic transmission and permanent four-wheel drive. The diesel is a popular choice for work-focused drivers who prioritize torque and fuel efficiency.

How capable is the Quartermaster off-road?

The Quartermaster carries all of the Grenadier's off-road credentials: permanent four-wheel drive, a two-speed BorgWarner transfer case, front, center, and rear locking differentials, up to 264mm of ground clearance, and an 800mm wading depth. It handles serious terrain while fully loaded — a capability very few pickup trucks can match.

What option packs are available on the Grenadier Quartermaster?

The Quartermaster is available with the same option packs as the core Grenadier, including the Utility Pack, Off-Road Pack, and Comfort Pack. These allow you to configure the vehicle for work, adventure, or a combination of both, straight from the factory.

Where can I test drive an INEOS Grenadier Quartermaster in Houston?

You can test drive the Grenadier Quartermaster at Mossy INEOS Grenadier in Houston, TX. Our team will walk you through the Quartermaster's capabilities, load bed features, and available configurations. Contact us or visit our showroom to arrange your test drive today.