Past Commission • Not for Sale

Stoic · A Custom Land Rover Defender D90 Soft Top A re-engineered classic Defender 90. Featured here as a reference. Not for sale.

A featured past commission. Shown here as a reference for what a Helderburg can be.
The Commission

When you encounter a convertible Defender, particularly a soft top Defender like the D90 built by Helderberg, the first thing that stands out is the color.

This isn’t a typical Land Rover shade; it’s a vintage Ferrari-inspired blue, known as Zeno Blue, that’s deep, glossy, and subtly shifts with the light—sometimes showing a hint of purple. The effect is both classic and striking, setting this Defender apart from the moment you see it.

Performance-Tuned 300TDi and 5-Speed Manual

Under the hood, this Defender is powered by a performance-tuned 300TDi turbo diesel engine. The upgrades are extensive: a larger turbo, a bigger intercooler, a performance cylinder head, and a Helderberg performance exhaust all contribute to a more responsive and powerful driving experience. The five-speed manual transmission and re-geared front and rear differentials allow the convertible Defender to reach highway speeds with ease—no small feat for a vehicle with the aerodynamics of a brick. Despite being a soft top, improved heating and air conditioning systems make this a true four-season vehicle, not just a summer cruiser.

Soft Top Versatility

The tan soft top on this Defender is a three-ply insulated design, much thicker and more robust than traditional canvas. It’s quick to remove or reinstall—just five to seven minutes off and about ten to twelve minutes back on, all by one person. This flexibility gives you multiple looks: fully enclosed for winter, rolled-up sides and rear for a breezy spring day, or completely open for the full convertible Defender experience. The hoop system supports the soft top and seat belts, maintaining structural integrity without a full roll cage.

Billet Aluminum Details

Attention to detail is evident throughout the build, especially in the use of billet aluminum. The door handles, hinges, bonnet hinges, and mirror arms are all solid billet aluminum, crafted in the UK. These parts not only add visual appeal with their brushed and satin finishes but also provide a tactile upgrade over the standard plastic components. The result is a Defender that feels as good as it looks, with every touchpoint exuding quality and durability.

Black Walnut Cargo Flooring

Step into the cargo area and you’ll find black walnut flooring—a nod to classic Chris-Craft boats. The wood is dense, durable, and finished with marine-grade lacquer and caulk for both beauty and resilience. The floor sits atop the carpet, weighing about 50 pounds, and can be removed if you need to carry heavy or rough cargo. This feature blends luxury with practicality, adding a unique, nautical touch to the soft top Defender.

Bespoke Scottish Leather Interior

Inside, the cabin is wrapped in bespoke Scottish leather, finished in a shade reminiscent of classic Ferrari interiors. The darker chestnut brown stitching provides a rich contrast, and the basket weave pattern on the seats adds both comfort and visual interest. Even the sun visors are covered in this luxurious leather. Seating is arranged with center-facing bench seats in the rear, each with its own seatbelt, and custom-sized seat frames tailored to the driver.

LED Gauges and Modern Lighting

All lighting, inside and out, has been upgraded to LEDs. This includes not only the headlights and marker lights but also the gauges, which are now bright and easy to read day or night. The modern lighting dramatically improves safety and usability while maintaining the Defender’s classic look. Even the rear lighting is thoughtfully designed, with a single backup light and a bright red fog light, reflecting European standards.

Interior Experience: Classic Meets Modern

The cockpit is a study in simplicity and craftsmanship. There’s no touchscreen or Apple CarPlay—just the essentials, executed to a high standard. A Marshall Bluetooth speaker is integrated into the center console, offering high-quality sound and navigation without cluttering the dashboard. The leather-wrapped dash, billet aluminum accents, and low-slung air conditioning system maintain a clean, classic appearance while delivering modern comfort.

Restoration Philosophy

This soft top Defender is the result of a complete nut-and-bolt restoration. Every part, down to the seat frames, is either replaced or meticulously restored. Damaged body panels are swapped out, not filled with Bondo, ensuring long-term durability and authenticity. The result is a vehicle that, while originally built in 1996, feels new in every respect.

Convertible Defender vs. Hardtop

The convertible Defender, especially in soft top form, offers a driving experience that’s hard to match. The removable roof provides open-air freedom, while the insulated top and improved climate control systems make it suitable for year-round use. The half door at the rear is unique to the soft top, offering a more cohesive look when the roof is off. In contrast, hardtop Defenders have a full door with glass, which can look awkward if the top is removed. The soft top’s versatility, style, and practicality make it a favorite among enthusiasts who want both adventure and refinement.

Customization and Bespoke Options

Every Helderberg Defender is built to the owner’s specifications. From over 40 paint finishes to 13 leather interior combinations, the possibilities are nearly endless. Options like wine coolers, surfboard racks, and a range of wheel choices allow each owner to create a Defender that reflects their personality and lifestyle.

Why Choose a Convertible Defender?

A soft top Defender combines heritage, modern engineering, and bespoke craftsmanship. It’s a vehicle that stands out in any setting, offering open-air adventure, luxury materials, and the kind of attention to detail that makes every drive memorable. Whether you’re cruising along the coast, exploring mountain trails, or simply enjoying a night out in the city, the convertible Defender delivers an experience that’s both classic and contemporary.

Conclusion

The performance-tuned 300TDi soft top Defender is a showcase of what’s possible when classic design meets modern engineering and craftsmanship. With its Zeno Blue finish, luxurious Scottish leather interior, black walnut cargo flooring, and billet aluminum details, this convertible Defender is as much a work of art as it is a vehicle. Each build is unique, tailored to its owner, and ready for any adventure—on or off the road.

Features:

  • Performance Tuned 300 TDi
  • 5 Speed Manual
  • Black Walnut Cargo Flooring
  • Bespoke Scottish Leather
  • Billet Aluminum Interior Trim
  • LED Gauges
  • Zeno Blue Custom Mix
  • Billet Aluminum Door and Bonnet Hinges
  • Billet Aluminum Door Exterior Door Handles
  • Billet Aluminum Mirror Arms

Every line above is the result of upgrades engineered in-house, found in no other custom or restomod Defender in the world.

See Helderburg's Proprietary Upgrades
The Build Film · From Paul

Paul walks around Stoic the way every Helderburg is meant to be seen.

Step back ten feet. Then twenty. Study the seams. The paint. The exhaust note. The interior. By the end you will know what to look for, and how to compare any custom Defender build.

Stoic build film thumbnail

Filmed at Haldenmere · The Ozarks

Four Styles, One Custom Process

A Helderburg is not one look. It is your own.

Stoic is one direction. Every Helderburg is custom, designed around the owner rather than chosen from a catalogue, and most commissions draw from one or two of these four. The expedition build is the one most people picture first. It is only the beginning of what a custom Defender by Helderburg can be.

Why a Helderburg Drives Differently

The difference is not cosmetic alone.

The architecture itself has been re-engineered. If you want the full picture of what is under a Helderburg before you speak to Paul, two doorways.

The Twelve Systems

Stoic carries twelve proprietary Helderburg systems, found in no other restored, custom or restomod Defender. The drivetrain on the original block. A suspension with the body roll engineered out, widened at the chassis, not with spacers. A cabin built for the eighth hour, not the first.

See Helderburg's Proprietary Upgrades →

Three Approaches. Only one is a Helderburg.

A classic Defender can be restored, restomodded, or re-engineered. A restomod replaces the body and drops in a GM V8 crate motor, no longer numbers matching. Respectfully, a kit car. A Helderburg keeps the original chassis and block, and re-engineers everything else.

What is a Helderburg →
Past Commissions

Every one built once. None of them again.

Stoic is one of many. Each Helderburg is built for a single owner, then never repeated. A few of the commissions that came before.

Films

See more, by the way you like to watch.

More than a hundred films. The drives, the walk-arounds, the honest questions, and the quieter moments. Start wherever you like.

The Drive No Destination, Just the Ozarks
No Destination, Just the Ozarks

A typical Sunday in the Ozarks: no destination, just a Helderburg drive beyond the pavement, where adventure is measured by where you’re willing to go.

The Helderburgs Rocco: The Boldest Helderburg Yet
Rocco: The Boldest Helderburg Yet

Rocco is the moment you realize a classic Defender can be both unapologetically bold and quietly refined.

The Questions Restored Land Rover Defender Review: Sarge
Restored Land Rover Defender Review: Sarge

Take a front-row seat as Paul Potratz, founder of Helderburg, takes you on a spirited test drive of “Sarge”—a fully restored Land Rover Defender 110 that redefines what it means

From Paul Presence | Sundays at Haldenmere
Presence | Sundays at Haldenmere

A single handcrafted Leica lens, one trip to Italy, and a reminder that character outlives perfection. Step inside the story of presence, imperfection, and choosing the few objects that truly matter.

More than one hundred films. All the custom Defender questions answered.

Watch the Films

Stoic stays with the family it was built for.

A few Helderburgs are available now, ready sooner than a full commission. Or begin a commission in Stoic's spirit, with a color of your own.

See the Helderburgs Available Now
A Direct Line to Paul

The next Helderburg will be built around you.

If Stoic stirred something, the next conversation is about your Helderburg. Ask anything, about a build in progress now or a commission of your own. Paul reads every message and answers personally.

Paul Potratz · Founder, Helderburg · Twenty years in automotive marketing · Featured in the Wall Street Journal, Robb Report, Road & Track, Carscoops, and the Collector Car Podcast

Contact Paul Directly