The Koenigsegg Regera, introduced in 2016 and produced through 2022, represents a radical departure from traditional hypercar design. Its name, meaning “to reign” in Swedish, aptly describes its ambition to dominate the performance landscape. The Regera is notable for being the first fully production Koenigsegg with a fixed hardtop – a Targa top – and, more significantly, for its innovative direct-drive powertrain. This system eschews a traditional multi-gear transmission in favor of a single-speed transmission coupled with powerful electric motors, delivering instant torque and unparalleled acceleration. The Regera occupies the top echelon of Koenigsegg’s lineup, positioned above models like the Agera RS and below limited-production, even more extreme vehicles.
Technical Specifications
| Brand | Koenigsegg |
| Model | Regera |
| Generation | Regera |
| Type (Engine) | 5.0 V8 (1500 Hp) Plug-in Hybrid KDD |
| Start of production | 2016 |
| End of production | 2022 |
| Powertrain Architecture | PHEV (Plug-in Hybrid Electric Vehicle) |
| Body type | Targa |
| Seats | 2 |
| Doors | 2 |
| Fuel Type | Petrol / Ethanol – E85 / electricity |
| Acceleration 0 – 60 mph | 2.8 sec |
| Weight-to-power ratio | 1.1 kg/Hp, 921.4 Hp/tonne |
| Weight-to-torque ratio | 0.8 kg/Nm, 1228.5 Nm/tonne |
| Gross battery capacity | 4.5 kWh |
| Battery voltage | 800 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery location | In the central tunnel |
| Recuperation output | 150 kW |
| Electric motor power (x2) | 245 Hp |
| Electric motor location (x2) | Rear axle, Transverse |
| System power | 1500 Hp |
| System torque | 2000 Nm (1475.12 lb.-ft.) |
| Power | 1100 Hp @ 7800 rpm |
| Power per litre | 217.2 Hp/l |
| Torque | 1280 Nm (944.08 lb.-ft.) @ 4100 rpm |
| Maximum engine speed | 8250 rpm |
| Engine layout | Middle, Longitudinal |
| Engine displacement | 5065 cm3 (309.09 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 92 mm (3.62 in.) |
| Piston Stroke | 95.25 mm (3.75 in.) |
| Compression ratio | 9.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-Turbo, Intercooler |
| Valvetrain | DOHC |
| Kerb Weight | 1628 kg (3589.13 lbs.) |
| Trunk (boot) space – minimum | 150 l (5.3 cu. ft.) |
| Fuel tank capacity | 82 l (21.66 US gal | 18.04 UK gal) |
| Length | 4560 mm (179.53 in.) |
| Width including mirrors | 2050 mm (80.71 in.) |
| Height | 1110 mm (43.7 in.) |
| Wheelbase | 2662 mm (104.8 in.) |
| Ride height (ground clearance) | 85-105 mm (3.35 – 4.13 in.) |
| Drivetrain Architecture | Rear wheel drive. PHEV. ICE drives rear wheels, two electric motors drive rear wheels. |
| Number of gears and type of gearbox | 1, automatic transmission KDD |
| Front suspension | Double wishbone |
| Rear suspension | Double wishbone |
| Front brakes | Ventilated discs, 397×40 mm |
| Rear brakes | Ventilated discs, 380×34 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Front tires | 275/35 R19 |
| Rear tires | 345/30 R20 |
| Front wheel rims | 9.75J x 19 |
| Rear wheel rims | 12.5J x 20 |
Introduction
The Koenigsegg Regera, produced from 2016 to 2022, is a limited-production hypercar that redefined performance through its innovative powertrain. Built on Koenigsegg’s internal platform, it represents a significant technological leap forward, particularly with its adoption of the Koenigsegg Direct Drive (KDD) transmission. Unlike conventional hypercars relying on multi-gear transmissions, the Regera utilizes a single-speed, direct-drive system supplemented by powerful electric motors. This approach delivers instant torque and eliminates the power losses associated with traditional gear changes. The Regera was designed to be a luxurious and comfortable grand tourer, while still maintaining Koenigsegg’s commitment to extreme performance.
Powertrain & Engine Architecture
At the heart of the Regera lies a 5.0-liter twin-turbocharged V8 engine, capable of producing 1100 horsepower at 7800 rpm and 1280 Nm (944 lb-ft) of torque at 4100 rpm. This engine, while potent on its own, is augmented by three electric motors. Two rear-mounted electric motors, each producing 245 horsepower, directly drive the rear wheels, while a third, smaller electric motor integrates with the crankshaft to provide additional power and fill in torque gaps during gear changes. The combined system output reaches a staggering 1500 horsepower and 2000 Nm (1475 lb-ft) of torque. The engine utilizes direct fuel injection and a double overhead camshaft (DOHC) valvetrain. The KDD transmission is a hydraulic coupling that allows for seamless power delivery, effectively acting as a continuously variable transmission without the complexity of belts or chains. The 800V lithium-ion battery, located in the central tunnel, provides the necessary energy for the electric motors and allows for a limited all-electric range.
Driving Characteristics
The Regera’s driving experience is unlike any other hypercar. The KDD transmission provides instant and linear acceleration, eliminating the traditional feeling of gear shifts. This results in a remarkably smooth and rapid acceleration profile, with a claimed 0-60 mph time of just 2.8 seconds. The electric motors contribute significantly to this performance, providing immediate torque and filling in any potential lag from the twin-turbocharged V8. While the lack of traditional gears might seem unconventional, it allows the engine to operate within its optimal power band at all times. The Regera feels incredibly responsive and planted, thanks to its advanced chassis and sophisticated electronic control systems. Compared to Koenigsegg’s Agera RS, which prioritizes track performance, the Regera offers a more refined and comfortable driving experience, making it better suited for long-distance grand touring.
Equipment & Trim Levels
Given its limited production run and ultra-high price point, the Regera was largely bespoke, with customers able to personalize nearly every aspect of the vehicle. Standard features included a luxurious interior trimmed with premium leather and carbon fiber, a state-of-the-art infotainment system, and advanced driver-assistance systems. The Targa top, a defining feature of the Regera, could be stowed away to provide an open-air driving experience. Optional extras included custom paint finishes, unique interior color schemes, and bespoke aerodynamic components. The focus was on providing a highly personalized and luxurious experience, befitting the car’s price and exclusivity.
Chassis & Braking
The Regera utilizes a lightweight chassis constructed primarily from carbon fiber, ensuring exceptional rigidity and minimizing weight. The suspension system employs double wishbones at both the front and rear, providing precise handling and a comfortable ride. Braking duties are handled by ventilated disc brakes – 397mm at the front and 380mm at the rear – providing ample stopping power. An advanced anti-lock braking system (ABS) further enhances safety and control. The Regera’s chassis is meticulously engineered to balance performance with comfort, resulting in a car that is both incredibly capable and surprisingly refined.
Market Reception & Comparison
The Koenigsegg Regera was met with widespread acclaim from automotive journalists and enthusiasts alike. Critics praised its innovative powertrain, breathtaking performance, and luxurious interior. The KDD transmission, while unconventional, was lauded for its smoothness and efficiency. Compared to other hypercars of its era, such as the Bugatti Chiron and the McLaren P1, the Regera stood out for its unique approach to performance and its focus on seamless power delivery. While the Chiron prioritized sheer power and the P1 focused on track performance, the Regera offered a more balanced and versatile driving experience. Fuel economy, while not a primary concern for hypercar buyers, was surprisingly good for a vehicle of its performance capabilities, thanks to the efficiency of the electric motors.
Legacy
The Koenigsegg Regera represents a pivotal moment in hypercar history, demonstrating the potential of hybrid powertrains and innovative transmission technologies. Its KDD transmission, while complex and expensive to develop, paved the way for future advancements in direct-drive systems. The Regera’s focus on seamless power delivery and luxurious comfort set a new standard for hypercar design. On the used car market, the Regera remains highly sought after by collectors and enthusiasts, commanding a significant premium over its original price. Its limited production run and groundbreaking technology ensure that it will remain a highly collectible and historically significant vehicle for years to come. The powertrain, while complex, has proven relatively reliable, with owners reporting few major issues, though maintenance costs remain exceptionally high due to the car’s exotic components and specialized engineering.
