Demon-Powered Dominance: The 2020 Jeep Gladiator Rubicon AMW 840

The 2020 Jeep Gladiator Rubicon AMW 840 represents the absolute pinnacle of custom off-road engineering, transformed by America’s Most Wanted 4×4 into a world-conquering overlanding machine. This Gator Green pickup was sent directly from the showroom to AMW for their flagship 840 Package, which swaps the factory drivetrain for a supercharged SRT Demon V8. Balancing 840 horsepower with a comprehensive suite of camping equipment, this rig serves as a dual-purpose beast capable of high-speed desert runs and weeks of self-sustained wilderness living. Now showing 55k miles and meticulously maintained through early 2026, it stands as a verified modern icon that dwarfs its factory competitors in both scale and mechanical sophistication.

Gator Green Silhouette and the IKamper Overlanding Suite

The visual character of the 2020 Jeep Gladiator Rubicon AMW 840 is defined by its massive 42-inch Mickey Thompson Baja Boss tires and its purposeful Gator Green silhouette. Functional tech is integrated throughout, featuring a ram air hood, AMW bumpers with a Warn winch, and Rockslide Engineering power side steps. The build is crowned by an IKamper rooftop tent and a 270-degree awning, supported by an ARE bed cap that carries recovery boards and a high-lift jack. LED lighting with orange-halo headlights ensures visibility in remote terrain, while a three-piece Freedom Top hardtop offers versatility for open-air adventures. This rig is not just a truck; it is a mobile basecamp protected by high-clearance aluminum fenders and heavy-duty armor.

AMW Perforated Leather and Integrated Trail Technology

Inside, the cabin offers a refined environment featuring heated front bucket seats upholstered in black leather with signature AMW840 perforated designs. Technology is at the forefront with a touchscreen infotainment system, a front-facing dash cam, and a ParkView camera display for precision maneuvering. The interior section is further enhanced by adaptive cruise control, automatic climate control, and a heated steering wheel, ensuring long-distance comfort during transit. Practical additions like an onboard air compressor and an Auxbeam Bluetooth controller allow the driver to manage exterior lighting and accessories directly from the cockpit. Every detail, from the AMW-branded instrumentation to the remote-proximity keyless entry, reinforces the truck’s status as a premium, highly specialized build.

Supercharged Demon V8 Narrative and Trackhawk Transmission Fluidity

The heart of this 2020 Jeep Gladiator Rubicon AMW 840 is a supercharged 6.2-liter SRT Demon crate V8, delivering a staggering 840 hp / 851 PS and 770 lb-ft / 1,044 Nm of torque. This immense power is managed by a Trackhawk-specification 8HP95 eight-speed automatic transmission and a Rubicon transfer case with uprated internals. The performance narrative is one of unstoppable force, supported by an 8LUG axle conversion featuring a Dana 60 front and Dana 80 rear with ARB air lockers. A 3.5-inch stainless-steel exhaust with a Borla muffler provides a visceral soundtrack, while an auxiliary 21-gallon fuel tank significantly extends the vehicle’s range. Handling is stabilized by Fox remote-reservoir coilovers and nitrogen-charged bump stops, providing a composed feel on both tarmac and technical trails.

Market Context and the AMW 840 Unique Selling Point

The AMW 840 Gladiator occupies a unique position in the 2026 custom truck market, frequently benchmarked against the Shelby F-150 and the RAM TRX. However, its unique selling point is the seamless integration of a record-setting drag racing engine into a short-wheelbase, solid-axle platform with full overlanding capabilities. With an original build price exceeding $222,000, this truck represents a significant value proposition for buyers who want to bypass the long lead times of a boutique shop build. The Gator Green finish is a sought-after Heritage color, and the addition of 8-lug axles ensures that the mechanical components can actually withstand the 840-horsepower output, a critical distinction over lesser engine-swapped Jeeps.

California Status and Washington Title Stewardship

Ownership of this 2020 Jeep Gladiator Rubicon AMW 840 is anchored by a single-owner history and a clean Washington state title. While the truck is currently located in California, it has not passed local emissions testing, a standard reality for Demon-swapped conversions in that jurisdiction. Maintenance has been a priority, with a fresh oil change performed in March 2026 and a comprehensive service log documenting its 55k-mile life. The sale includes the original Jeep and AMW window stickers, providing clear provenance for the extensive modifications. This rig represents a rare opportunity to acquire a fully-sorted, turn-key expedition vehicle that has been field-tested by its original creator and is ready for its next cross-continental journey.

A Final Look at a Demon-Swapped Expedition Legend

The 2020 Jeep Gladiator Rubicon AMW 840 is a physical manifestation of a time when the boundaries of off-road performance were pushed to their absolute limit. By merging the 840-HP Demon V8 with a professional overlanding suite and 42-inch tires, America’s Most Wanted 4×4 created a machine that remains a permanent icon of the custom Jeep landscape. This rig stands as a proud representative of the brand’s heritage as a leader in both mechanical overkill and trail-ready utility. Whether it is navigating the technical rocks of Moab or providing a luxury camp setting in the High Sierras, this AMW 840 remains a masterclass in American automotive grace that successfully carries its crown into the 2026 era.

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Source: bringatrailer.com