The Lamborghini Diablo Roadster has always occupied a wilder corner of the supercar imagination, even by 1990s standards.
Now San Marino-based Eccentrica Cars is preparing to bring that shape into the present with the Eccentrica V12 Roadster, an open-top companion to its Diablo-inspired coupe project.
The car is set for a public unveiling on August 10 during Monterey Car Week, giving one of the most theatrical V12 silhouettes a modern restomod treatment.

At a glance
- Eccentrica Cars will publicly unveil the Eccentrica V12 Roadster on August 10 during Monterey Car Week.
- The open-top restomod is expected to pair a naturally aspirated V12 with a six-speed manual gearbox.
- The project follows the Eccentrica V12 coupe, which is being built in a limited run of 19 examples.
A Diablo Roadster reimagined for Monterey
Eccentrica’s first V12 project arrived in 2024 as a modern interpretation of the Lamborghini Diablo, retaining the car’s unmistakable wedge profile while updating the mechanical and technological package.
The Roadster takes that idea into more expressive territory, leaning into the open-air character that made the Diablo Roadster such a memorable poster car.
Recent teasers point to a low, open-top supercar with the same analogue-minded appeal that has made manual V12 machinery increasingly rare.

Monterey Car Week is a fitting stage for it, not only because of the audience of collectors and marque loyalists, but because restomods have become a serious part of the conversation around preservation, usability and modern craftsmanship.
Naturally aspirated V12 and manual focus
The central appeal is refreshingly direct.
Eccentrica has indicated that the Roadster will use a naturally aspirated V12 paired with a manual gearbox, keeping the driving experience close to the emotional core of the Diablo era.

The coupe uses a 5.7-litre V12 producing 550 hp and 442 lb-ft of torque, matched to a six-speed manual transmission.
Performance upgrades for that package include new camshafts, an electronic throttle body and an optimised flywheel, all aimed at sharpening response without abandoning the character of the engine.
If the Roadster follows the same mechanical direction, it should offer a rare mix of old-school theatre and more contemporary drivability.

Exclusivity and collector appeal
The coupe is being produced in just 19 examples, and the Roadster is expected to follow the same highly limited philosophy.
That scarcity matters, but it isn’t the only reason this car will draw attention.
For many collectors, the Diablo sits at a pivotal moment in Lamborghini history, bridging the raw Countach lineage and the more polished supercars that followed under later ownership eras.

An open-top restomod with a V12 and a manual gearbox lands directly in the sweet spot for buyers who want presence, noise and involvement rather than quiet numerical superiority.
Details & Specifications
| Brand | Eccentrica Cars |
|---|---|
| Model | Eccentrica V12 Roadster |
| Inspiration | Lamborghini Diablo Roadster |
| Engine | Naturally aspirated V12 |
| Likely displacement | 5.7 litres |
| Power | 550 hp, if shared with the coupe |
| Torque | 442 lb-ft, if shared with the coupe |
| Transmission | Six-speed manual gearbox |
| Engine upgrades | New camshafts, electronic throttle body and optimised flywheel on the coupe package |
| Public debut | August 10 during Monterey Car Week |
| Coupe production | 19 examples |
The Eccentrica V12 Roadster is shaping up as more than a nostalgic exercise, especially in a market where open-top, naturally aspirated, manually shifted supercars have become vanishingly uncommon.
If the finished car delivers on the promise of its coupe sibling, it should be one of the more closely watched restomod debuts of Monterey Car Week.




