The Xiaomi SU7 Ultra 93.7 kWh, boasting a staggering 1548 horsepower from its tri-motor all-wheel-drive configuration, represents Xiaomi’s ambitious entry into the electric vehicle market. Officially launched in February 2025, the SU7 is a five-seat, four-door sedan designed to compete in the premium EV segment. It’s built upon a dedicated electric vehicle platform, showcasing Xiaomi’s commitment to advanced technology and high performance. The “Ultra” variant, with its extended range battery and triple motor setup, sits at the very top of the SU7 lineup, offering the highest levels of performance and luxury.
Technical Specifications
| Brand | Xiaomi |
| Model | SU7 |
| Generation | SU7 |
| Type (Engine) | Ultra 93.7 kWh (1548 Hp) Tri Motor AWD |
| Start of production | February, 2025 |
| Powertrain Architecture | BEV (Electric Vehicle) |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Electricity |
| Acceleration 0 – 100 km/h | 1.98 sec |
| Acceleration 0 – 62 mph | 1.98 sec |
| Acceleration 0 – 60 mph | 1.9 sec |
| Acceleration 0 – 200 km/h | 5.86 sec |
| Maximum speed | 350 km/h (217.48 mph) |
| 100 km/h – 0 | 30.8 m |
| Weight-to-power ratio | 1.5 kg/Hp, 655.9 Hp/tonne |
| Weight-to-torque ratio | 1.3 kg/Nm, 750 Nm/tonne |
| Gross battery capacity | 93.7 kWh |
| Battery voltage | 900 V |
| Battery technology | Lithium nickel manganese cobalt oxides (Li-NMC) |
| Battery location | Below the floor |
| All-electric range (CLTC) | 630 km (391.46 mi) |
| Average Energy consumption (WLTP) | 16.5 kWh/100 km (26.55 kWh/100 mi) |
| Average Energy consumption (MPGe) | 127 MPGe |
| Average Energy consumption (km/kWh) | 6.1 km/kWh |
| Average Energy consumption (mi/kWh) | 3.8 mi/kWh |
| Electric motor 1 power | 578 Hp |
| Electric motor 1 Torque | 635 Nm (468.35 lb.-ft.) |
| Electric motor 1 model/code | V8s / TZ230XY001 |
| Electric motor 1 revolutions | 27200 rpm |
| Electric motor 1 location | Rear axle, Transverse |
| Electric motor 1 type | Synchronous |
| Electric motor 2 power | 578 Hp |
| Electric motor 2 Torque | 635 Nm (468.35 lb.-ft.) |
| Electric motor 2 model/code | V8s / TZ230XY001 |
| Electric motor 2 revolutions | 27200 rpm |
| Electric motor 2 location | Rear axle, Transverse |
| Electric motor 2 type | Synchronous |
| Electric motor 3 power | 392 Hp |
| Electric motor 3 Torque | 500 Nm (368.78 lb.-ft.) |
| Electric motor 3 model/code | V6s / TZ220XY108 |
| Electric motor 3 revolutions | 21000 rpm |
| Electric motor 3 location | Front axle, Transverse |
| Electric motor 3 type | Synchronous |
| System power | 1548 Hp |
| System torque | 1770 Nm (1305.49 lb.-ft.) |
| Kerb Weight | 2360 kg (5202.91 lbs.) |
| Max. weight | 2810 kg (6194.99 lbs.) |
| Max load | 450 kg (992.08 lbs.) |
| Trunk (boot) space – minimum | 454 l (16.03 cu. ft.) |
| Length | 5115 mm (201.38 in.) |
| Width | 1970 mm (77.56 in.) |
| Height | 1465 mm (57.68 in.) |
| Wheelbase | 3000 mm (118.11 in.) |
| Front track | 1672 mm (65.83 in.) |
| Rear (Back) track | 1649 mm (64.92 in.) |
| Minimum turning circle | 11.7 m (38.39 ft.) |
| Approach angle | 12° |
| Departure angle | 15° |
| Drivetrain Architecture | Two electric motors drive the rear wheels, one electric motor drives the front wheels. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 1 |
| Gearbox type | Automatic transmission |
| Front suspension | Double wishbone, Air suspension |
| Rear suspension | Independent multi-link suspension, Air suspension |
| Front brakes | Ventilated discs, 430×40 mm |
| Rear brakes | Ventilated discs, 410×32 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size (Front) | 265/35 R21 |
| Tires size (Rear) | 305/30 R21 |
| Wheel rims size | 21 |
Powertrain & Engine Architecture
The SU7 Ultra’s powertrain is centered around a tri-motor, all-wheel-drive system. Two synchronous electric motors power the rear wheels, each producing 578 horsepower and 635 Nm (468.35 lb-ft) of torque. A third, smaller synchronous motor, generating 392 horsepower and 500 Nm (368.78 lb-ft) of torque, drives the front axle. This configuration results in a combined system output of 1548 horsepower and a massive 1770 Nm (1305.49 lb-ft) of torque. The 900V architecture allows for rapid charging capabilities. The battery pack, utilizing Lithium Nickel Manganese Cobalt Oxide (Li-NMC) technology, has a gross capacity of 93.7 kWh, providing a CLTC-rated range of 630 km (391.46 miles). The single-speed automatic transmission is a standard feature for electric vehicles, providing seamless power delivery.
Driving Characteristics
The SU7 Ultra delivers breathtaking acceleration. Its 0-100 km/h (0-62 mph) time of just 1.98 seconds and a 0-60 mph time of 1.9 seconds place it among the quickest production vehicles currently available. The tri-motor setup provides instant torque and exceptional grip, resulting in phenomenal launch performance. The sophisticated torque vectoring system, managed by the vehicle’s control unit, optimizes power distribution to each wheel for maximum traction and stability. While the focus is clearly on performance, the SU7 Ultra also offers a comfortable and refined driving experience, thanks to its air suspension and well-tuned chassis.
Equipment & Trim Levels
As the top-tier variant, the SU7 Ultra comes standard with a comprehensive suite of features. These include a premium interior with high-quality materials, a large touchscreen infotainment system, advanced driver-assistance systems (ADAS), and a panoramic sunroof. Optional extras may include upgraded audio systems, bespoke interior trim options, and advanced autonomous driving capabilities. The interior design emphasizes minimalism and technology, with a focus on creating a spacious and comfortable cabin.
Chassis & Braking
The SU7 Ultra features a double-wishbone suspension setup at the front and an independent multi-link suspension at the rear, both incorporating air suspension for adjustable ride height and improved comfort. Large ventilated disc brakes (430×40 mm front, 410×32 mm rear) provide ample stopping power. The vehicle is equipped with an Anti-lock Braking System (ABS) and other electronic stability control systems to enhance safety. The wide track widths (1672 mm front, 1649 mm rear) contribute to the vehicle’s stability and handling.
Market Reception & Comparison
The Xiaomi SU7 Ultra has generated significant buzz in the automotive market, particularly in China, where it is initially being sold. Critics have praised its exceptional performance, advanced technology, and competitive pricing. Compared to other high-performance EVs, such as the Tesla Model S Plaid and Porsche Taycan Turbo S, the SU7 Ultra offers a compelling combination of power, range, and features at a potentially lower price point. Its energy consumption of 16.5 kWh/100 km (127 MPGe) is competitive within its class.
Legacy
It is still early to assess the long-term reliability of the SU7 Ultra’s powertrain. However, Xiaomi’s commitment to quality and its use of proven battery and motor technologies suggest that it should offer reasonable durability. The SU7 Ultra represents a significant step forward for Xiaomi as it establishes itself as a major player in the electric vehicle market. Its success will likely influence the development of future EVs and accelerate the adoption of electric mobility.
