INEOS Grenadier on a hillside next to a lake at sunset

INEOS Grenadier Build Guide: Racks, Storage, Comms and Fridge

An INEOS Grenadier build comes together in stages: a roof rack first, then the rear door, the load bay, comms and a fridge. This guide walks through each stage with the Grenadier gear we carry from Front Runner, Rago Fabrication, Rugged Radios and Dometic.

Every product below links to its page in our store with the current price. Specs and fit notes come from our product pages and the makers' own pages. Most of these parts fit the Grenadier; the Quartermaster gets its own cab and bed racks, and the Rago console panels fit both.

Grenadier build at a glance

Prices from our product pages on November 1, 2026. Fit years are the makers' own; Grenadier means the maker lists no model years.
Product Stage Fits Price Shop
Front Runner Slimline II Roof Rack Kit Roof and rack Grenadier, 2022 and newer $2,799 View product
Front Runner Slimline II 3/4 Roof Rack Kit Roof and rack Grenadier, 2022 and newer $2,399 View product
Front Runner Slimline 3 Roof Rack Kit Roof and rack Grenadier $2,599 View product
Front Runner Slimline 3 3/4 Roof Rack Kit Roof and rack Grenadier $1,999 View product
Front Runner Slimline II Quartermaster Roof Rack Kit Roof and rack Quartermaster, 2023 and newer $1,999 View product
Front Runner Slimline II 1/2 Quartermaster Roof Rack Kit Roof and rack Quartermaster, 2023 and newer $1,599 View product
Front Runner Slimline II Load Bed Rack Kit Roof and rack Quartermaster, 2023 and newer $1,599 View product
Front Runner Slimline II Roller Tonneau Load Bed Rack Kit Roof and rack Quartermaster with a roller tonneau cover $1,499 View product
Front Runner Ladder Rear and tailgate 2022 and newer $349 View product
Front Runner Drop Down Tailgate Table Rear and tailgate 2022 and newer $399 View product
Front Runner Cargo Molle Interior Shelf Storage and molle 2022 and newer $539 View product
Front Runner Storage System Storage and molle Grenadier, not the Utility Wagon $649 View product
Rago Rear Window Molle Storage Panels Storage and molle 2023 to 2026 $424.13 View product
Rago Molle Panel Shelves Storage and molle 2023 to 2026, with Rago window panels $407.98 or $551.63 View product
Rago Center Console Molle Panels Storage and molle Grenadier and Quartermaster, 2023 to 2026 $228.63 View product
Rugged Radios Grenadier GMRS Mobile Radio Kit Comms 2022 and newer, all trims From $443 View product
Rugged Radios Grenadier Mobile Radio Mount Comms 2022 and newer, all trims $65 View product
Dometic CFX5 55IM Electric Cooler Fridge Portable, 12/24V DC $1,199.99 View product
Dometic CFX5 75DZ Electric Cooler Fridge Portable, 12/24V DC $1,349.99 View product

Fit check

Order now; we check fit against your vehicle after you order and contact you before it ships if anything doesn't match.

Stage 1: Roof and rack

Front Runner makes four roof rack kits for the Grenadier in two families. The Slimline II kits mount with gutter legs and grab handle brackets. The newer Slimline 3 trays adjust between two heights and let you move slats without taking the rack apart. The Quartermaster has its own cab and bed racks further down.

Front Runner Slimline II Roof Rack Kit: $2,799

Front Runner Slimline II full length roof rack on a white INEOS Grenadier

The full size Slimline II tray runs 2570 mm (101.2 in) from windshield to rear door. The kit includes a wind deflector, 8 gutter mount legs and the Grenadier grab handle brackets, and it installs with no drilling. Front Runner lists it for the 2022 and newer Grenadier.

Why pick it

  • Covers the roof from windshield to rear door
  • Room under the rack for one Front Runner table
  • More than 55 Slimline II accessories, per Front Runner

Trade-offs

  • Heaviest kit here, about 57.26 kg (126.24 lb) installed
  • Highest price of the four Grenadier roof racks

Front Runner Slimline II 3/4 Roof Rack Kit: $2,399

Front Runner Slimline II 3/4 roof rack on a white INEOS Grenadier

The 3/4 kit uses a 1964 mm (77.3 in) Slimline II tray on 6 gutter mount legs plus the grab handle brackets, with a wind deflector and no drilling. It leaves part of the roof open. Front Runner lists it for the 2022 and newer Grenadier.

Why pick it

  • About 46.38 kg (102.25 lb) installed, lighter than the full kit
  • Room under the rack for one Front Runner table
  • Same Slimline II accessories as the full rack

Trade-offs

  • Less deck space than the full length kits
  • Fixed height, unlike the Slimline 3

Front Runner Slimline 3 Roof Rack Kit: $2,599

Front Runner Slimline 3 full length roof rack on a white INEOS Grenadier

The Slimline 3 tray is 1560 mm (61.4 in) wide and 2744 mm (108 in) long and sits at 60 mm (2.4 in) or 90 mm (3.5 in). Front Runner says the tray design is 20% lower than the Slimline II. Each slat has dual T-slot channels, all four corners carry tie-down points, and the side profiles hide accessory wiring. It mounts with the included Grenadier mounting system (MSIG001).

Why pick it

  • Longest tray here at 2744 mm (108 in)
  • Two height settings, and slats move without taking the rack apart
  • Corner tie-downs and hidden wiring channels

Trade-offs

  • Front Runner notes the Safari windows can not fully open with this rack installed
  • Weighs 100.17 lb
  • Front Runner does not list model years for this kit

Front Runner Slimline 3 3/4 Roof Rack Kit: $1,999

Front Runner Slimline 3 3/4 roof rack on an INEOS Grenadier

The 3/4 Slimline 3 tray is 1560 mm (61.4 in) wide and 1936 mm (76.2 in) long with the same 60 mm or 90 mm height settings, dual T-slot slats and corner tie-downs. It mounts with the included Grenadier 3/4 mounting system (MSIG003).

Why pick it

  • Lowest price of the four Grenadier roof racks
  • Weighs 75.63 lb, about 25 lb lighter than the full Slimline 3 kit, per Front Runner
  • Adjustable height and movable slats

Trade-offs

  • Shorter deck than the full Slimline 3
  • Front Runner does not list model years for this kit

Quartermaster cab and bed racks

The Quartermaster double cab gets two cab racks and two bed racks. Front Runner lists all four for the 2023 and newer Quartermaster. Run a cab rack alone, or pair it with a bed rack for long gear.

Front Runner Slimline II Quartermaster Roof Rack Kit: $1,999

Front Runner Slimline II cab roof rack on a green INEOS Grenadier Quartermaster

A full cab length Slimline II tray, 1560 mm (61.4 in) long, on 8 gutter mount legs with a wind deflector. It installs with no drilling.

Why pick it

  • Run it alone for a tent or recovery gear, per Front Runner
  • Pairs with a load bed rack for long loads
  • About 34.98 kg (77.12 lb) installed

Trade-offs

  • Made for the Quartermaster, not the Grenadier wagon
  • Heavier than the 1/2 cab rack

Front Runner Slimline II 1/2 Quartermaster Roof Rack Kit: $1,599

Front Runner Slimline II 1/2 roof rack on a green INEOS Grenadier Quartermaster cab

A 954 mm (37.6 in) Slimline II tray over the front of the cab on 6 gutter mount legs, with a wind deflector and no drilling. Front Runner sizes it for a light bar, a pair of recovery boards or a small cargo box.

Why pick it

  • Lightest Quartermaster cab rack, about 24.82 kg (54.72 lb) installed
  • Leaves the rear of the roof clear

Trade-offs

  • Half the deck of the full cab rack
  • Made for the Quartermaster, not the Grenadier wagon

Front Runner Slimline II Load Bed Rack Kit: $1,599

Front Runner Slimline II load bed rack over the bed of an INEOS Grenadier Quartermaster

A 1475 mm by 1358 mm Slimline II tray on 6 extra tall legs that fit the factory bed tracks, so the bed stays usable under the rack. No drilling is needed.

Why pick it

  • Rack space over the bed without giving up the bed
  • Uses the factory bed tracks
  • About 33 kg (72.75 lb) installed

Trade-offs

  • For an open bed; a roller tonneau cover needs the kit below
  • Made for the Quartermaster, not the Grenadier wagon

Front Runner Slimline II Roller Tonneau Load Bed Rack Kit: $1,499

Front Runner Slimline II roller tonneau bed rack on an INEOS Grenadier Quartermaster

The same 1475 mm by 1358 mm tray on 6 flat 65 mm feet for a Quartermaster with a roller tonneau cover, so the cover stays in place.

Why pick it

  • Keeps the roller tonneau cover on the truck
  • Lower profile than the tall leg bed rack
  • About 25.34 kg (55.87 lb) installed

Trade-offs

  • Front Runner notes a roll top extrusion with a 6 to 7 mm slot opening may need a Track Mount Stud Plate.
  • Front Runner lists it for a 2023 or newer Quartermaster fitted with a roller tonneau cover.

Stage 2: Rear door and tailgate

Front Runner Ladder: $349

Front Runner ladder mounted on the rear door of a white INEOS Grenadier

A 4 step ladder that bolts to the factory mounting points on the rear door and gives a steady climb to the roof rack. It is rated to 110 kg (242.5 lb) and weighs 4.62 kg (10.2 lb). Front Runner lists it for the 2022 and newer Grenadier.

Why pick it

  • Uses the factory rear door mounting points
  • Hardware and fitment guide included
  • Lowest priced Front Runner part in this build

Trade-offs

  • Load rating is 110 kg (242.5 lb)

Front Runner Drop Down Tailgate Table: $399

Front Runner drop down tailgate table folded open inside the rear door of an INEOS Grenadier

The table mounts inside the rear swing door and folds down into a work surface. A primary and a secondary tray drop when you release the latch, and the main tray slides out a bamboo extension for 445 mm (17.5 in) more length. Closed, the molle face takes strapped gear. Front Runner lists it for the 2022 and newer Grenadier. On backorder from Front Runner. It ships when the maker restocks it.

Why pick it

  • Table rated 40 kg (88.2 lb); molle face rated 10 kg (22 lb)
  • Built in bottle opener and a latch that keeps it quiet

Trade-offs

  • Weighs 12.6 kg (27.8 lb) on the door

Stage 3: Load bay storage and molle

The Front Runner pieces work in the load bay itself. The Rago steel panels mount to the rear windows and console, and the Rago shelves hang from those window panels.

Front Runner Cargo Molle Interior Shelf: $539

Front Runner cargo molle interior shelf in the load bay of an INEOS Grenadier

A second storage level that secures to the load bay tie down points with no drilling. Height adjusts from 480 mm to 630 mm in 30 mm steps, so it can sit low over a fridge or high over taller boxes. Six L-track points hold gear on top, and the molle underside takes strapped gear. Front Runner lists it for the 2022 and newer Grenadier.

Why pick it

  • Carries up to 40 kg (88 lb)
  • Height adjusts in 30 mm steps
  • No drilling

Trade-offs

  • Weighs 20.2 kg (44.5 lb)

Front Runner Storage System: $649

Front Runner storage system holding Wolf Pack Pro boxes in the load bay of an INEOS Grenadier

A powder coated frame and top deck that holds Front Runner Wolf Pack Pro boxes in the load bay. The frame is spring loaded so the boxes do not rattle, and the top deck carries 80 kg (176.4 lb) and can take a Front Runner cargo or fridge slide. It bolts to the factory mounting points. On backorder from Front Runner. It ships when the maker restocks it.

Why pick it

  • Top deck rated 80 kg (176.4 lb)
  • Top deck takes a cargo or fridge slide
  • Bolts to factory mounting points

Trade-offs

  • Wolf Pack Pro boxes are sold separately, and Hi-Lid kits are not compatible
  • Not compatible with the Utility Wagon, per Front Runner

Rago Rear Window Molle Storage Panels: $424.13

Rago rear window molle storage panels with pouches inside an INEOS Grenadier

A pair of low profile steel panels that contour to the factory paneling and turn the rear side windows into storage walls. They shield the glass from cargo that shifts on rough trails and accept the Rago shelves and molle accessories. Rago lists them for the 2023 to 2026 Grenadier and makes them in the USA.

Why pick it

  • Sold as a pair, one per side
  • Base for the Rago Standard and High-Mount shelves
  • Rago lists about 0.75 hour to install

Trade-offs

  • Install calls for drilling and riv-nuts
  • Rago lists the Grenadier, not the Quartermaster

Rago Molle Panel Shelves: High-Mount $407.98, Standard $551.63

Rago molle panel shelves mounted on the rear window panels in an INEOS Grenadier load bay

Steel shelves that bolt to the Rago Rear Window Molle Panels and add shelf space above the cargo floor for bags, blankets and pillows. The Standard shelf mounts in the mid and lower zones of the window panels and the High-Mount shelf at the top; you can run one or both. Rago lists them for the 2023 to 2026 Grenadier and makes them in the USA.

Why pick it

  • Run one or both versions
  • Molle mounting above and below the shelf
  • Bolts to the window panels

Trade-offs

  • Requires the Rago Rear Window Molle Panels, sold separately
  • Standard ships at 26.3 kg (58 lb), High-Mount at 18.6 kg (41 lb)

Rago Center Console Molle Panels: $228.63

Rago center console molle panels beside the shifter of an INEOS Grenadier

Steel panels that contour to the factory center console and put radios, phones, tablets and GPS units within reach of the driver. They carry 10-24 pre-threaded mounting points and are RAM mount compatible. Rago lists them for the 2023 to 2026 Grenadier and Quartermaster.

Why pick it

  • Fits both the Grenadier and the Quartermaster
  • RAM mount compatible, with pre-threaded points
  • Rago lists about 0.5 hour to install

Trade-offs

  • Install calls for drilling and riv-nuts

Stage 4: Comms

Rugged Radios Grenadier GMRS Mobile Radio Kit: from $443

Rugged Radios GMRS mobile radio installed in the dash area of an INEOS Grenadier

A complete GMRS kit built around the Grenadier interior: a mobile radio, a Grenadier radio mount, a Grenadier antenna mount placed to clear roof racks and rooftop tents, and a Rugged GMRS tuned antenna on 13 ft of coax with a nickel plated brass NMO mount. Choose the waterproof GMR25 at $443, the 50 watt Rambler G4 at $508 or the waterproof G1 at $590. Rugged Radios lists it for the 2022 and newer Grenadier, all trims.

Why pick it

  • No cutting or fabrication
  • Antenna mount placed to clear racks and tents
  • Talks to all GMRS radios and to FRS radios on the shared channels

Trade-offs

  • Rugged Radios states a GMRS license is required to transmit
  • Price depends on the radio you choose

Rugged Radios Grenadier Mobile Radio Mount: $65

Rugged Radios INEOS Grenadier mobile radio mount with a radio attached

If you already own a radio, this mount puts it on the passenger side of the center console using the factory mounting holes, with no drilling or cutting. It works with Rugged radios such as the GMR25, GMR45, M1, G1 and G4, and with other radios through the universal slots for a factory U-bracket.

Why pick it

  • Uses the factory holes, no drilling
  • All mounting hardware included
  • Lowest priced part in this build

Trade-offs

  • Radio and antenna are not included

Stage 5: Fridge

These Dometic CFX5 coolers are portable, not Grenadier specific. Both run on 12/24V DC in the vehicle or 100 to 240V AC at home, use Dometic's 3-stage battery protection, and have M6 threaded inserts in the base for bolting down. The Front Runner Storage System top deck can take a fridge slide, and the cargo shelf can sit low over a fridge.

Dometic CFX5 55IM Electric Cooler with Ice Maker: $1,199.99

Dometic CFX5 55IM electric cooler with built in ice maker

A 55L single zone fridge freezer with a built in ice maker. It holds up to 84 12 oz cans, cools from -7F to 68F and draws 8.5A at 12V. It measures 28.35 x 17.91 x 18.9 in and weighs 44.44 lb. With the Dometic protective cover it is $1,369.98.

Why pick it

  • Makes ice at camp
  • Bluetooth app tracks temperature and power use
  • Lower draw than the 75DZ

Trade-offs

  • Single zone
  • No internal battery

Dometic CFX5 75DZ Electric Cooler: $1,349.99

Dometic CFX5 75DZ dual zone electric cooler

A 75L dual zone fridge freezer, so you can run a fridge and a freezer at once. It holds up to 113 12 oz cans, cools from -7F to 68F and draws 9.7A at 12V. It measures 35.12 x 19.49 x 18.58 in and weighs 59.62 lb. With the Dometic protective cover it is $1,539.98.

Why pick it

  • Two zones, set separately
  • Largest capacity here, 113 cans

Trade-offs

  • Longer and heavier than the 55IM
  • No ice maker

How to plan a Grenadier build

  • Start with the body style. The Grenadier takes the four Slimline II and Slimline 3 roof kits. The Quartermaster takes the two cab racks and the two bed racks.
  • Pick the rack length. A full length tray suits a rooftop tent plus boxes. A 3/4 tray saves weight and leaves part of the roof open.
  • Add the ladder and table next. Both mount on the rear door, the ladder outside and the table inside.
  • Lay out the load bay. Choose between the Front Runner shelf, the Front Runner storage system with Wolf Pack Pro boxes, or the Rago window panels and shelves.
  • Plan comms and power together. The Rugged Radios kit and a Dometic fridge both run off the vehicle, and the Dometic battery protection watches the vehicle battery.

INEOS Grenadier build FAQ

Which Front Runner roof rack fits the INEOS Grenadier?

Four kits: the Slimline II at $2,799, the Slimline II 3/4 at $2,399, the Slimline 3 at $2,599 and the Slimline 3 3/4 at $1,999. The Slimline II kits mount on gutter legs and the grab handle brackets with no drilling. The Slimline 3 trays sit at 60 mm or 90 mm, and Front Runner notes the Safari windows can not fully open with the full Slimline 3 installed.

What fits the INEOS Grenadier Quartermaster?

Front Runner makes a full cab rack ($1,999), a 1/2 cab rack ($1,599), a load bed rack for the factory bed tracks ($1,599) and a bed rack for a roller tonneau cover ($1,499), all for the 2023 and newer Quartermaster. The Rago Center Console Molle Panels ($228.63) also fit the Quartermaster.

Do I need a license for the Rugged Radios Grenadier GMRS kit?

Rugged Radios states that a GMRS license is required to transmit on GMRS channels. The kit talks to all GMRS radios and to FRS radios on channels 1 to 7 and 15 to 22.

Do the Rago shelves need the Rago window panels?

Yes. The Rago Molle Panel Shelves bolt to the Rago Rear Window Molle Storage Panels ($424.13), which are sold separately. You can run the Standard shelf, the High-Mount shelf, or both.

Are the Front Runner tailgate table and storage system in stock?

Both are on backorder from Front Runner. Each ships when the maker restocks it, and you can order either one now.

Which Dometic fridge suits a Grenadier build?

The CFX5 55IM ($1,199.99) is a 55L single zone fridge with an ice maker and an 8.5A draw at 12V. The CFX5 75DZ ($1,349.99) is a 75L dual zone fridge with a 9.7A draw at 12V. Both run on 12/24V DC or 100 to 240V AC.

Sources

Specs checked on our product pages and the makers' sites on November 1, 2026.

Ready to build? Shop all INEOS Grenadier and Quartermaster gear, or see the Dometic CFX5 55IM and Dometic CFX5 75DZ fridges from Stage 5.