The NIO EP9 is a two-seat, all-electric hypercar produced by the Chinese automotive manufacturer NIO between 2016 and 2019. Designed as a showcase for the company’s electric vehicle technology, the EP9 was intended to demonstrate NIO’s capabilities in high-performance electric drivetrains and autonomous driving systems. Production was extremely limited, with only six units built, making it a rare and exclusive vehicle. The EP9 gained notoriety for setting lap records at several international race circuits, including the Nürburgring Nordschleife, solidifying its position as one of the fastest electric cars ever created.
Technical Specifications
| Brand | NIO |
| Model | EP9 |
| Generation | EP9 |
| Type (Engine) | (1360 Hp) 4WD Electric |
| Start of production | 2016 |
| End of production | 2019 |
| Powertrain Architecture | BEV (Electric Vehicle) |
| Body type | Coupe |
| Seats | 2 |
| Doors | 2 |
| Fuel Type | Electricity |
| Acceleration 0 – 100 km/h | 2.7 sec |
| Acceleration 0 – 62 mph | 2.7 sec |
| Acceleration 0 – 60 mph | 2.6 sec |
| Acceleration 0 – 200 km/h | 7.1 sec |
| Acceleration 0 – 300 km/h | 15.9 sec |
| Maximum speed | 313 km/h (194.49 mph), Electronically limited |
| Weight-to-power ratio | 1.3 kg/Hp, 783.9 Hp/tonne |
| All-electric range | 427 km (265.33 mi) |
| Electric motor power (each) | 340 Hp |
| Electric motor Torque (each) | 1480 Nm @ 0-7500 rpm (1091.59 lb.-ft. @ 0-7500 rpm) |
| Electric motor location | Front axle (x2), Rear axle (x2), Transverse |
| System power | 1360 Hp |
| Kerb Weight | 1735 kg (3825.02 lbs.) |
| Length | 4888 mm (192.44 in.) |
| Width | 2230 mm (87.8 in.) |
| Height | 1150 mm (45.28 in.) |
| Drivetrain Architecture | Four electric motors drive each wheel individually. |
| Drive wheel | All wheel drive (4×4) |
| Front brakes | Ventilated discs, 408×40 mm |
| Rear brakes | Ventilated discs, 408×36 mm |
| Tires size | 320/705 R19; 295/35 R21 |
| Wheel rims size | 13J x 19; 10.5J x 21 |
Powertrain & Engine Architecture
The NIO EP9 utilizes a fully electric powertrain, employing four independent electric motors – one for each wheel. Each motor produces 340 horsepower and 1480 Nm (1091.59 lb-ft) of torque, resulting in a combined system output of 1360 horsepower. The motors are powered by a large battery pack, providing an all-electric range of 427 kilometers (265.33 miles). The battery chemistry and capacity were not widely publicized by NIO, but it is understood to be a high-density lithium-ion pack. The EP9’s drivetrain architecture allows for sophisticated torque vectoring, enhancing handling and stability. The individual motor control enables precise power distribution to each wheel, optimizing traction in various driving conditions. The car features a direct drive system, eliminating the need for a traditional gearbox.
Driving Characteristics
The EP9’s performance is nothing short of extraordinary. Its all-wheel-drive system and instant torque delivery from the electric motors enable blistering acceleration. The 0-60 mph sprint is achieved in a mere 2.6 seconds, and it can reach 313 km/h (194.49 mph) when electronically limited. The torque vectoring system provides exceptional cornering ability, allowing the EP9 to maintain high speeds through turns. The car’s low center of gravity, thanks to the battery pack being mounted low in the chassis, further contributes to its stability. While the EP9 doesn’t have traditional gears, the individual motor control effectively simulates gear ratios by adjusting the motor’s output characteristics. The driving experience is characterized by its smoothness, silence, and immense power.
Equipment & Trim Levels
Given the extremely limited production run and its positioning as a technology demonstrator, the NIO EP9 was not offered with traditional trim levels or extensive options. Each EP9 was largely bespoke, tailored to the individual buyer’s preferences. The interior featured two racing-style seats, a minimalist dashboard with digital displays, and a focus on lightweight materials. Standard equipment included advanced driver-assistance systems, although the emphasis was on performance rather than luxury. Buyers could specify custom paint schemes and interior finishes. The EP9 also incorporated a sophisticated data logging system to monitor performance and driving dynamics.
Chassis & Braking
The EP9’s chassis is constructed from a lightweight carbon fiber monocoque, providing exceptional rigidity and minimizing weight. The suspension system utilizes double wishbones with adjustable dampers and springs, allowing for fine-tuning of the handling characteristics. The braking system consists of ventilated disc brakes on all four wheels, measuring 408x40mm at the front and 408x36mm at the rear. The large brakes, combined with the regenerative braking capabilities of the electric motors, provide ample stopping power. The EP9 is equipped with high-performance tires, sized 320/705 R19 at the front and 295/35 R21 at the rear, to maximize grip and handling.
Market Reception & Comparison
The NIO EP9 received widespread acclaim from automotive journalists and enthusiasts for its groundbreaking performance and technology. It was lauded as a significant achievement in electric vehicle engineering and a credible competitor to established hypercar manufacturers. Critics praised its acceleration, handling, and innovative drivetrain. However, its limited production run and high price tag (estimated at over $1.4 million) meant it was inaccessible to most buyers. Compared to other electric hypercars like the Rimac Nevera, the EP9 was an earlier entry into the market, showcasing NIO’s initial capabilities. While the Nevera boasts even more extreme performance figures and a more advanced battery technology, the EP9 remains a historically important vehicle in the development of electric hypercars.
Legacy
The NIO EP9 served as a crucial stepping stone for NIO, establishing the company as a serious player in the electric vehicle market. It demonstrated NIO’s ability to develop and manufacture high-performance electric vehicles, paving the way for its subsequent production models, such as the ES8 and ET7. The EP9’s technology and design principles influenced NIO’s future vehicle development. In the used car market, the EP9 is exceptionally rare and commands a significant premium due to its limited production and historical significance. Its legacy extends beyond its performance capabilities, representing a bold statement of intent from a new automotive manufacturer challenging the status quo.
