Xiaomi SU7 Ultra Prototype vs Xiaomi SU7 Ultra
Xiaomi SU7 Ultra Prototype vs Xiaomi SU7 Ultra, Both cars are Xiaomi four-door electric sedans with the same three-motor setup and about 1,548 PS. The Prototype is a stripped-out carbon-bodied car built to chase Nürburgring records, and it isn’t sold. The production SU7 Ultra is for someone who wants brutal acceleration in a car they can drive to work. The comparison matters now because the Prototype has lapped the Nordschleife in 6:22.091, while the car you can order manages 7:04.957.
Xiaomi SU7 Ultra Prototype vs Xiaomi SU7 Ultra Range
Xiaomi hasn’t published range or charging figures for the Prototype, which is a race car. The production Ultra has a 93.7 kWh CATL battery and a CLTC range of 630 km. CLTC is an optimistic test cycle, so plan on noticeably less on a fast motorway, and much less if you enjoy the power. I couldn’t find an official AC figure or an independent 10–80% DC time, so check Xiaomi’s spec sheet before you count on either.
Xiaomi SU7 Ultra Prototype vs Xiaomi SU7 Ultra Price
The Prototype has no price. The production SU7 Ultra starts at RMB 529,900 (about $73,000) and is sold in China. The Nürburgring Limited Edition adds the Track Package and more carbon fiber for RMB 814,900. If you’re trying to decide between the two, the only one you can buy is the road car.
Xiaomi’s lineup is still small. Buyers who want less extreme performance can look at the standard SU7 or the YU7 SUV. Outside Xiaomi, the natural rivals are the Porsche Taycan Turbo GT, the Tesla Model S Plaid and the Lucid Air Sapphire. This pairing is still worth reading because it shows how much of the Prototype’s speed survives in the car with a price tag.
Xiaomi SU7 Ultra Prototype
Pros
- Its carbon-fiber body keeps it around 1,900 kg, and that low weight is where the record lap times come from.
- The 6:22.091 lap shows what the platform can do when nothing is held back, which is useful if you’re judging the production car’s ceiling.
- It hints at where future Ultra models may go.
Cons
- You can’t buy one, so it’s no use as a purchase option.
- Its cabin is stripped and it has no published range or charging data, so it can’t work as everyday transport.
Xiaomi SU7 Ultra
Pros
- It keeps the three motors and claims 0–100 km/h in 1.98 seconds, so most of the Prototype’s speed is available on normal roads.
- At RMB 529,900 it undercuts Western performance sedans by a wide margin.
- Xiaomi announced its 7:04.957 lap as a production-EV record, and unlike the Prototype it is comfortable enough to live with.
Cons
- It is heavier and has softer suspension than the Prototype, so it won’t match the record lap.
- It is sold only in China, and I found no independent charging tests, which makes life harder for anyone planning around it elsewhere.
Quick Verdict
Choose the Prototype if what interests you is how fast a Xiaomi sedan can go with nothing held back, though you’ll only be watching it. Choose the production SU7 Ultra if you want to own the car, drive it daily and still get most of that speed. The road car gives up some weight savings and track hardware in exchange for comfort, a price and a dealer.
| |
| Price | $73,000.00 |
| Our Rating | |
| Brand | Xiaomi Xiaomi |
| Category | Xiaomi Cars Xiaomi Cars |
MODEL
| Full Model Name A full model name is the complete, specific designation of a product, software, or system that includes its brand, series, version, and technical configuration. | Xiaomi SU7 Ultra Prototype Xiaomi SU7 Ultra |
| Segment / Class Segment and Class refer to ways of dividing a large group, data set, or concept into smaller, organized parts. | Track-focused performance testbed (non-production) Full-size electric performance sedan |
| Powertrain Options Powertrain options refer to the different choices available for a vehicle's power-generating and power-delivering system—the complete assembly that creates energy and pushes the car forward. | AWD AWD |
PRICE & AVAILABILITY
| Base Price A base price is the starting cost of a product or service before adding any extra fees, taxes, optional upgrades, or discounts | N/A — never sold RMB 529,900 (~$73,000 USD) |
| Availability Status Availability status means the current condition or state of whether a person, product, system, or resource is accessible, online, or ready for use. | Discontinued On Sale |
| Markets Available "Markets available" generally means the specific geographic regions, stores, or consumer groups where a product or service is ready and offered for sale. | N/A — testbed only, ran at Nürburgring, Germany China only (global expansion targeted 2027+) |
| Brand / Manufacturer brand is the name, term, design, or symbol that identifies a seller's product and shapes public perception, while a manufacturer is the actual company that physically produces or builds the goods. | Xiaomi EV Xiaomi Auto (Xiaomi EV) |
BATTERY & CHARGING
| Battery Capacity Battery capacity is the total amount of electrical energy a battery can store and deliver, functioning much like the size of a fuel tank. | Not disclosed 93.7 kWh usable / 95.0 kWh gross (CATL Qilin II, NMC) |
| Range The word range means a set of different things, a scale between limits, or the distance an object can cover. | Not disclosed 620–700 km CLTC |
| DC Charging DC charging stands for direct current charging, a high-power method that sends electricity straight to an electric vehicle's battery without needing an internal conversion step. | Not disclosed Up to 480 kW peak |
| Charging Time Charging time is the total length of time required to recharge a battery from empty to full capacity. | Not disclosed 10–80% in ~11 min |
| AC Charging AC charging means supplying alternating current (AC) from the electrical grid to an electric vehicle, where the car's built-in onboard charger converts it into direct current (DC) to power the battery. | Not disclosed 11 kW (0–100% in ~8.5 hrs) |
| Battery Warranty A battery warranty is a guarantee from a manufacturer or seller to repair or replace a battery if it fails due to factory defects within a set time. | N/A 8 years / 160,000 km |
| Energy Consumption Energy consumption is the total amount of energy used by a person, building, device, or country over a specific period. | Not disclosed ~13.4 kWh/100km CLTC |
PERFORMANCE
| Power Output Power output is the rate at which a device, system, or living body generates, transfers, or delivers energy (doing work over time). It is typically measured in watts (W) or kilowatts (kW). | 1,138 kW (1,526 hp) combined — projected figure for production, not an independently confirmed prototype-only test 1,138 kW / 1,548 hp combined |
| Acceleration Acceleration is the rate at which an object changes its velocity over time. | 1.97 sec 0–100 km/h in 1.98s |
| Motor Configuration Motor configuration refers to the physical layout, internal electrical wiring setup, or software/hardware settings of a motor. | Three motors — two rear V8s + one front V6s Tri-motor (2× rear HyperEngine V8s + 1× front V6s) |
| Torque the rotational equivalent of linear force—it is the twisting or turning power that causes an object to rotate around an axis or pivot point. | Not separately disclosed for the prototype 1,770 Nm |
| Top Speed Top speed means the highest or maximum velocity that a vehicle, runner, or object can achieve under ideal conditions. | 350 km/h 350 km/h |
BODY & DIMENSIONS
| Dimensions A dimension is a measurement in a specific direction (such as length, width, or height) or a distinct aspect, feature, or scope of a situation. | Not separately published; based on standard SU7 shell 5,070 / 1,970 / 1,465 mm (wheelbase 3,000mm) |
| Trunk/Boot Capacity Trunk or boot capacity refers to the total volume of storage space available in the rear cargo compartment of a vehicle. | Not disclosed ~493–517 L |
| Body Style A car's body style refers to the overall shape, structural design, and external configuration of a vehicle. | Four-door sedan, full-carbon-fiber body (dropped for production due to cost) 4-door sedan |
| Kerb Weight Kerb weight is the total mass of a vehicle with all standard equipment and necessary operating fluids, but without any passengers or cargo. | Not disclosed 2,360 kg |
| Ground Clearance Ground clearance is the vertical distance between the lowest part of a vehicle's frame or undercarriage and the flat ground below it | Not disclosed Not publicly specified |
| Frunk/Bonnet Capacity Frunk/bonnet capacity is the total volume of storage space available under the front hood (bonnet) of a vehicle. | Not disclosed 105 L |
| Sunroof A sunroof is a movable panel in a vehicle's roof that opens or tilts to let in fresh air and sunlight. | Not disclosed Yes, panoramic glass roof |
SAFETY & DRIVER ASSISTANCE
| ADAS Features ADAS stands for Advanced Driver Assistance Systems, which are electronic technologies in modern vehicles designed to increase road safety, enhance driving comfort, and prevent crashes by minimizing human error. | Not disclosed for prototype Xiaomi HAD (adaptive cruise, lane keep, AEB, blind spot, forward collision warning) |
| Autonomous Driving Level Autonomous driving levels are a standardized six-stage classification system created by SAE International (ranging from Level 0 to Level 5) that measures how much control a vehicle's automated system takes compared to a human driver | Not disclosed L2+ (driver assistance, not full autonomy) |
| Crash Test Ratings Crash test ratings are standardized scores that measure how well a vehicle protects its occupants during controlled collision simulations. | N/A — never crash tested or street certified Not yet published (no C-NCAP/Euro NCAP rating) |
| Over-the-Air (OTA) Updates An Over-the-Air (OTA) update is the wireless delivery and installation of software, firmware, or operating system updates to a connected device via Wi-Fi or cellular networks | N/A Yes |
COMFORT & SEATING
| Seating Capacity Seating capacity means the maximum number of people who can sit in a specific space, vehicle, or venue. | 5 5 |
| Seat Material Seat material refers to the fabric, leather, or synthetic substance used to cover or build a seating surface. | Not disclosed Leather/synthetic |
| Wireless Charging Wireless charging is a cable-free method that powers electronic devices by transferring energy through electromagnetic fields instead of a physical plug. |
DISPLAYS & CONNECTIVITY
| Centre Screen A centre screen (or center display) is a built-in digital display panel located in the middle of a vehicle's dashboard or console | Not disclosed 16.1" 3K touchscreen (Xiaomi HyperOS) |
| Mirror Link MirrorLink is a connectivity standard that projects a smartphone’s screen and compatible apps onto a car's built-in infotainment dashboard. | |
| Apple CarPlay Apple CarPlay is a smart software standard created by Apple that puts an iPhone interface directly onto a car's built-in display screen. | |
| Android Auto Android Auto is a software platform developed by Google that projects a driver-safe, simplified version of your Android phone onto your car's central dashboard display | |
| Driver's Display A driver's display is the digital or analog instrument panel mounted directly behind the steering wheel that shows real-time driving data like speed, fuel or battery level, and warning alerts | Not disclosed 7.1" digital cluster |
| Head-Up Display (HUD) A head-up display (HUD) is a transparent screen that projects data directly into your line of sight so you never have to look away from your main view. | Not disclosed Yes, standard (AR HUD) |
KEY EV TECH
| Vehicle-to-Load (V2L) Vehicle-to-Load (V2L) is a bidirectional charging feature in some electric vehicles (EVs) that turns the car's high-voltage battery into a mobile power source for external electrical devices. | |
| Vehicle-to-Grid (V2G) Vehicle-to-Grid (V2G) is a system that allows electric vehicles (EVs) to send stored electricity back into the public power grid using bidirectional (two-way) chargers. |
ADDITIONAL SPECS
| Headlight Type Headlight "types" refer to either the lighting technology used (like halogen or LED) or the socket/bulb code (like H7 or HB3) required for your vehicle's specific assembly | Not disclosed LED (split/matrix design) |
| Adaptive Headlights Adaptive headlights are intelligent vehicle lighting systems that automatically change their direction, range, or brightness to match driving conditions and improve nighttime visibility. | |
| Sound System Brand Audio branding (also called sonic or sound branding) is the strategic use of music, voice, and unique sounds to give a brand an audible identity | Not disclosed 25-speaker Dolby Atmos setup |
| Speaker Count Speaker count is the audio processing task of automatically estimating the total number of unique or simultaneous people speaking in a recording. | Not disclosed 25 |
| Navigation System A navigation system is an electronic tool that finds a vehicle's exact location and guides the user along a route to a destination. | Not disclosed Yes (built into HyperOS) |
| Face Recognition Face recognition is a technology that uses computers to identify or verify a person's identity by analyzing unique facial features from a digital image or video. | |
| Fingerprint Sensor A fingerprint sensor is an electronic biometric hardware device that captures the unique pattern of ridges and valleys on a fingertip to identify and authenticate a person. | |
| Remote Parking Remote parking means an advanced driver-assistance technology that lets you park or move your vehicle using a smartphone app or a key fob while standing outside the car. | |
| Official Dealer Network An Official Dealer Network is a group of authorized, independent businesses approved by a manufacturer to sell, maintain, and repair its products in specific regions. | N/A — never sold China only, Xiaomi-owned retail stores |
| Service Interval A service interval is the recommended schedule of distance, time, or operating hours between routine maintenance checks for a vehicle or piece of equipment. | N/A Not publicly specified |
| Roadside Assistance Roadside assistance is a support service for drivers whose vehicles break down or stop working due to a mechanical failure, flat tire, or dead battery | N/A Included in China |
NOTE
| Data Source A data source is the origination point or specific location where information comes from before it is collected, processed, or analyzed | Xiaomi press reveal (July 2024, Lei Jun's annual presentation); Nürburgring record coverage (2024) CarNewsChina, EVKX.net, Wikipedia, ArenaEV, Xiaomi official (as of Sept 2026) |
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