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On October 31, 2026, Karma Automotive unveiled the Eximius 1 at the Concours at Wynn in Las Vegas. The four-seat hybrid is being built for track use to a private customer's order. It will have a 6.2-liter V8, but its job is different from the usual one: it forms part of a generator system, while electric motors drive the car.
The project retains the Karma Revero's series-hybrid layout but adds a larger gasoline engine and equipment for driving on a circuit. The car is still in development, and the company plans to deliver it to its owner in 2027.
How the V8 works in the hybrid system
The Eximius 1 is a plug-in series hybrid. In this arrangement, the gasoline engine drives a generator that produces electricity for the electric drive system. Electric motors provide traction at the wheels, while the battery stores and supplies energy. On the Eximius 1 page, Karma lists an axial-flux generator and a high-output battery.
The V8 does not drive the wheels directly: it supplies energy to the electric part of the powertrain. The company has not explained in detail why its engineers chose this engine or how the system will distribute energy during extended track driving.
What “plug-in” means
A plug-in hybrid's battery can be charged from an external source. Karma has not yet disclosed the Eximius 1's battery capacity, charging time or electric range. Those figures cannot be carried over from the Revero: the powertrain has been substantially changed.
What changed from the Revero
The Karma Revero served as the basis for the Eximius 1. The project replaces the Revero's three-cylinder gasoline engine with a 6.2-liter V8. The Revero also uses its gasoline engine as part of an electric power system: the 2025 model-year Revero brochure describes operation with a generator.
At its October 31, 2026 unveiling, Karma quoted approximately 1,200 hp of system output for the Eximius 1. The company lists 550 hp for the combustion engine and 645 hp for the battery portion, but has not disclosed enough detail to independently verify how the total output at the wheels was calculated.
Karma Eximius 1: claimed specifications
Specification | Karma's figures |
|---|---|
Powertrain | Plug-in series hybrid |
Gasoline engine | 6.2-liter V8 |
Claimed system output | Approximately 1,200 hp |
0–60 mph | 2.7 seconds, according to the company |
Top speed | Over 200 mph, or 322 km/h; company estimate |
Planned customer delivery | 2027 |
The 0–60 mph figure is approximately equivalent to acceleration to 97 km/h, not 100 km/h. The car is still under development, so the claimed figures cannot be treated as independent test results for a completed vehicle.
What changed for the track
The Eximius 1 has carbon-ceramic brakes with two-piece rotors and Öhlins semi-active suspension. Wheel-arch extensions make the body 50 mm wider, and the 21-inch wheels are made from magnesium alloy. A diffuser and a full-width wing are fitted at the rear.
The cabin retains four seats. Recaro bucket seats are fitted in front, and an emergency kill switch is provided on the center console. A dedicated mount for the customer's helmet is located behind the front seats.
Why four seats do not make it a production model
Despite its sedan layout, the Eximius 1 is an individual commission. Karma has not named a price, vehicle weight or exact delivery date. Nor has it announced broad series production of this car.
What is the Eximius program?
The Eximius 1 is the first project in Karma's new bespoke commissioning program. It allows customers to work with the brand's designers and engineers on changes to the body, performance and powertrain. According to the company, the first customer already owns a Revero and wanted a more extreme version; the customer's name has not been disclosed.
The project combines the Revero's familiar series-hybrid layout with a new V8 and track equipment. How those claimed solutions perform on a circuit will become clear after development and testing are complete.
