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Xiaomi SU7

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Xiaomi SU7
Overview
ManufacturerXiaomi Auto
Model codeMS11[1]
ProductionDecember 2023 – present
Model years2024–present
AssemblyChina: Beijing
Designer
Body and chassis
ClassFull-size car
Body style4-door sedan
Layout
PlatformModena
RelatedXiaomi YU7
Powertrain
Electric motorTZ220XS000 permanent magnet synchronous
Power output
  • 220 kW (295 hp; 299 PS)
  • 495 kW (664 hp; 673 PS) (Max)
  • 1,139 kW (1,527 hp; 1,549 PS) (Ultra)
TransmissionSingle-speed gear reduction
Battery
Range
  • 700 km (435 mi) (CLTC)
  • 830 km (516 mi) (CLTC, Pro)
  • 800 km (497 mi) (CLTC, Max)
Plug-in charging
Dimensions
Wheelbase3,000 mm (118.1 in)
Length4,997 mm (196.7 in)
Width1,963 mm (77.3 in)
Height1,440–1,455 mm (56.7–57.3 in)
Kerb weight1,980–2,205 kg (4,365–4,861 lb)

The Xiaomi SU7 (Chinese: 小米SU7; pinyin: Xiǎomǐ SU7, pronounced "/su/ seven" or /sutʃiː/ s-oo-tch-ee in Chinese)[7][8] is a battery electric full-size sedan developed by Chinese company Xiaomi Auto, a subsidiary of the Chinese consumer electronics company Xiaomi. It is the first Xiaomi vehicle, manufactured at their manufacturing plant in Beijing. It was announced in December 2023. The car was officially released on 28 March 2024 in Beijing, with Xiaomi starting to take orders for the car on that day.[9]

According to Xiaomi, 'SU' stands for 'Speed Ultra'.[10][11] 'SU' may also be a reference to the Chinese word 速 (pinyin: sù), meaning 'speed'. The SU7 is available in four versions, namely the SU7, SU7 Pro, SU7 Max and SU7 Ultra.[12]

History

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Xiaomi announced its intent to enter the electric vehicle market in March 2021. Xiaomi founder and CEO Lei Jun claimed the company would invest 10 billion yuan (US$1.4 billion) into the project. Xiaomi Automobile was established in 2021, based in the Beijing Economic and Technological Development Zone. The company received a permit to produce vehicles from China's National Development and Reform Commission in August 2023.[13][14]

Production of the SU7 started in December 2023. It was introduced on 28 December 2023.[15] The retail price is announced on 28 March 2024, which the standard version costs CNY 215,900 yuan (US$30,408), while Pro and Max version costs 245,900 yuan and 299,900 yuan.[16]

Design

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The SU7 was developed under codename MS11.[17] The design team was led by chief designer Li Tianyuan, who was poached from BMW. According to Lei Jun, he rejected three design proposals due to durability concerns.[2] Xiaomi benchmarked the car against the Porsche Taycan and Tesla Model S.[18]

The sedan is equipped with air suspension with adaptive dampers, an active shutter grille and an active rear wing with four adjustment levels.[15] The company claims the drag coefficient of the SU7 is the world's lowest at 0.195.[18]

The SU7 is equipped with a 16.1-inch touchscreen infotainment center with 3K resolution. The infotainment system is powered by a Qualcomm Snapdragon 8295 system-on-chip (SoC) and based on the Xiaomi HyperOS (小米澎湃OS) software. A driver-assistance system branded Xiaomi Pilot with 16 functions is standard. It uses Nvidia Drive Orin system SoCs.[15]

The SU7 uses many international suppliers for its parts, including Bosch, Brembo, Continental, ThyssenKrupp, ZF Friedrichshafen, Benteler, Schaeffler Group and Nexteer Automotive,[19][20][21] and supports Apple's Car Play to interact with the iPad.[22]

  • Rear view
    Rear view
  • Interior
    Interior

Specifications

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SU7 Standard & Pro

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The base, rear-wheel drive SU7 uses a FinDreams Battery-supplied 73.6 kWh LFP blade battery operating at 400 V. It has a single permanent magnet synchronous motor with a power rating of 220 kW (299 PS; 295 hp) and 400 N⋅m (295 lb⋅ft) of torque.[15] It has a kerb weight of 1,980 kg (4,365 lb) and has a range rating of 700 kilometres (435 mi) on the CLTC test cycle. According to Xiaomi, the base SU7 is able to accelerate from 0–100 km/h (0–62 mph) in 5.28 seconds, and speed is limited to 210 km/h (130 mph).[12][23]

The Pro model has the same powertrain, but the battery is upgraded to a 94.3 kWh LFP pack supplied by CATL's Ningde facility, and also runs at 400 V. Range increases to 830 kilometres (516 mi) on the CLTC and top speed is maintained, but the 0–100 km/h (0–62 mph) acceleration time is increased to 5.7 seconds due to a 110-kilogram (243 lb) increase to kerb weight.

Xiaomi plans to release versions of the Pro with 132 kWh and 150 kWh batteries later in 2025.[24][25]

SU7 Max

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The all-wheel drive SU7 Max powertrain consists of a front induction motor outputting 220 kW (299 PS; 295 hp) and 338 N⋅m (249 lb⋅ft) and a HyperEngine V6s permanent magnet synchronous motor generating 275 kW (374 PS; 369 hp) and 500 N⋅m (369 lb⋅ft) of torque in the rear, for a total of 495 kW (673 PS; 664 hp) and 838 N⋅m (618 lb⋅ft). It uses a 101 kWh NMC Qilin battery produced by CATL, which runs at 800 V and is assembled in a cell-to-pack format.[15][24][25] The SU7 Max goes from 0–100 km/h (0–62 mph) in 2.78 seconds, a kerb weight of 2,205 kg (4,861 lb), and has a top speed of 265 km/h (165 mph).[12][23]

SU7 Ultra

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SU7 Ultra

On October 29, 2024, Xiaomi announced the high-performance variant, the SU7 Ultra. It is priced starting at 814,900 yuan (114,200 USD) and expected to be officially released in March 2025. Xiaomi positions SU7 Ultra as a road-legal four-door race car.[26][27]

The body receives significant aerodynamic changes, including 17 carbon fibre components. The front features a large front splitter with large vertical endplates, and the rear features a 1,560-millimetre (61 in) wide wing and a modified rear bumper with vents and an extended diffuser, allowing for a claimed 285 kilograms (628 lb) of downforce.[28]

The interior receives a modified design, with some Alcantara and carbon fibre surfaces, a somewhat square-shaped sports steering wheel, and racing-style seats with additional bolstering. The infotainment system's software has a unique skin, and there are three artificial vehicle sound options.[28]

The Ultra's chassis is based on the standard SU7 and 90.1% of its composition consists of varieties of high-strength steel and aluminium. It also features an FIA-grade roll cage integrated into the chassis.[29] It is equipped with a carbon ceramic brake system, with 430 mm × 40 mm (16.9 in × 1.6 in) disks and six-piston Akebono calipers in the front, and 410 mm × 32 mm (16.1 in × 1.3 in) disks and four piston calipers in the rear, allowing for a 100–0 km/h (62–0 mph) stopping distance of 30.8 m (101 ft).[28]

The Ultra features a mostly Xiaomi self-developed powertrain, including the debuting HyperEngine V8s motor, electric power electronics, and thermal management system. Xiaomi co-developed the battery pack in collaboration with CATL, and designed the battery controller as part of its contribution. It is designed with track use in mind and uses CATL's new Qilin 2.0 battery cells.[29] The pack is assembled using a cell-to-body design, which achieves 77.8% volumetric utilization and allows for a 17-millimetre (0.67 in) decrease in cabin floor height. The battery uses a dual-layer pack cooling design, which Xiaomi claims increases cooling capacity by 60% compared to conventional methods.[29]

The SU7 Ultra is powered by three electric motors developed by Xiaomi, which are two HyperEngine V8s and one HyperEngine V6s, which reaches a combined power output of 1,138 kW (1,547 PS; 1,526 hp) and total torque output of 1,770 N⋅m (1,305 lb⋅ft). The two V8s motors output 425 kW (578 PS; 570 hp) and 635 N⋅m (468 lb⋅ft) of torque each, and the V6s motor also found in the SU7 Max outputs 288 kW (392 PS; 386 hp) and 400 N⋅m (295 lb⋅ft) of torque.[28] The HyperEngine V8s has a maximum speed of 27,200 rpm and is 98.11% efficient and has a power density of 10.14kW/kg, while the V6s can go up to 21,000 rpm.[29]

The SU7 Ultra can accelerate from 0 to 100 km/h (62 mph) in 1.98 seconds, 0 to 200 km/h (124 mph) in 5.96 seconds, and 0 to 300 km/h (186 mph) in 15 seconds, runs the 0–400 m (0.249 mi) in 9.23 seconds, and has a top speed of over 350 km/h (217 mph).[28][30][31] The SU7 Ultra hit a top speed of 359.71 km/h (224 mph) at the CATARC Yan Cheng Automotive Proving Grounds, which CEO Lei Jun claimed was limited by the test facility.[32]

The CATL Qilin 2.0 battery pack is assembled in a cell-to-body format and operates at 900 V, and has a maximum peak output 1330 kW and 800 kW at 20% charge. It can be charged at a rate up to 490 kW (5.2C), allowing for a 10-80% charge time of 11 minutes.[28][33]

SU7 Ultra prototype

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SU7 Ultra prototype

On July 19, 2024, Xiaomi unveiled the SU7 Ultra prototype during an 2024 annual speech by Lei Jun. During the event, Xiaomi revealed details on the new HyperEngine V8s motor and CATL co-developed battery which would be used in the eventual production version. The prototype has the same powertrain as the production version, but is fitted with a fully carbon fiber body and lacks a finished interior, resulting in a weight of slightly under 1,900 kilograms (4,200 lb). At the event, Xiaomi said it intended to set a new record in the four-door electric sedan category at the Nürburgring Nordschleife, which was held by the Porsche Taycan Turbo GT at the time.

The exterior features a significant aerodynamic overhaul, with large front air vents that lead to large hood exit vents, a significant front splitter and side skirts, along with a large rear wing and diffuser, allowing for up to 2,145 kilograms (4,729 lb) of downforce. Due to the additional aerodynamic bodywork, the vehicle has larger dimensions than the standard SU7, with a length of 5,260 mm (207.1 in), width of 2,064 mm (81.3 in), and height of 1,406 mm (55.4 in), but the wheelbase is maintained. It is equipped with AP Racing fixed six-piston brake calipers designed for racing, and racing brake pads capable of operating at over 800 °C (1,500 °F). In addition, the motors are able to apply 0.6G of reverse torque, for a total of 2.36G of deceleration and a 100–0 km/h (62–0 mph) stopping distance of 25 metres (82 ft).[30]

On October 24, 2024, a prototype version of the SU7 Ultra achieved the official lap record for a four-door car on the Nürburgring Nordschleife at 6:46.874, driven by racing driver David Pittard.[34][32][30]

Powertrain

[edit]
Specs[35]
Model Battery Range (CLTC) Years Layout Power Torque Kerb weight 0–100 km/h (62 mph) Top speed
Front Rear Combined Front Rear Combined
SU7 73.6 kWh LFP FinDreams 700 km (435 mi) 2024–present RWD – 220 kW (299 PS; 295 hp) – 400 N⋅m (295 lb⋅ft; 41 kg⋅m) 1,980 kg (4,365 lb) 5.28 s 210 km/h (130 mph)
SU7 Pro 94.3 kWh LFP CATL 830 km (516 mi) 2,090 kg (4,608 lb) 5.7 s
SU7 Max 101 kWh NMC CATL 800 km (497 mi) AWD 220 kW (299 PS; 295 hp) 275 kW (374 PS; 369 hp) 495 kW (673 PS; 664 hp) 338 N⋅m (249 lb⋅ft; 34 kg⋅m) 500 N⋅m (369 lb⋅ft; 51 kg⋅m) 838 N⋅m (618 lb⋅ft; 85 kg⋅m) 2,205 kg (4,861 lb) 2.78 s 265 km/h (165 mph)
SU7 Ultra 93.7 kWh NMC CATL 630 km (391 mi) TBD AWD 275 kW (374 PS; 369 hp) 2x 425 kW (578 PS; 570 hp) 1,138 kW (1,547 PS; 1,526 hp) 500 N⋅m (369 lb⋅ft; 51 kg⋅m) 2x 635 N⋅m (468 lb⋅ft) 1,770 N⋅m (1,305 lb⋅ft; 180 kg⋅m) 2,360 kg (5,203 lb) 1.98 s 350 km/h (217 mph)

Sales

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Xiaomi targeted 100,000 deliveries in 2024 and had 70,000 orders by April of 2024.[36] By mid-2024, Xiaomi became the 8th largest automotive startup in China, measured by sales quantity.[37][38] Since the launch of SU7 in March 2024, Xiaomi has rolled out 100,000 units of the model by November 2024, a short 230 days gap. This announcement was made public by its Chief Executive Officer, Lei Jun through his social media account.[39]

The SU7 Ultra received 3,680 refundable pre-orders within 10 minutes of its announcement.[32]

See also

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References

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  2. ^ a b "小米首款汽车SU7预发布，定位C级高性能生态科技轿车，目标用户是时代精英_雷军". Sohu. Retrieved 28 December 2023.[permanent dead link‍]
  3. ^ Opletal, Jiri (28 March 2024). "Xiaomi SU7 launched with 830 km range, starts at 29,900 USD". CarNewsChina.com. Retrieved 28 March 2024.
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  26. ^ "驶向新起点。 #小米SU7Ultra#量产版，10月29日晚7点见。 预约现已开启。". Weibo (in Chinese). Xiaomi. 24 October 2024. Retrieved 26 October 2024.
  27. ^ "巅峰性能科技轿车：#小米SU7Ultra#量产版 已开启预订。". Weibo (in Chinese). Xiaomi. 29 October 2024. Retrieved 29 October 2024.
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  31. ^ "Xiaomi SU7 Ultra pre-sale launched in China for 114K USD as 1,500 hp Taycan killer". Carnewschina. 29 October 2024. Retrieved 29 October 2024.
  32. ^ a b c Leung, Adrian (15 November 2024). "Xiaomi SU7 Ultra hits 359.71 km/h, Hyper Autonomous Driving System announced". CarNewsChina.com. Retrieved 5 December 2024.
  33. ^ Bobylev, Denis (29 October 2024). "Xiaomi SU7 Ultra pre-sale launched in China for 114K USD with 1,500 hp, to compete with Taycan". CarNewsChina.com. Retrieved 30 October 2024.
  34. ^ 6分46秒874，纽北全球最速四门车！小米SU7 Ultra 原型车，首次征战纽北，官方认证圈速出炉。这是奇迹，更是新的起点。. Weibo (in Chinese). Xiaomi. Retrieved 30 October 2024.
  35. ^ "参数配置 | 小米汽车".
  36. ^ Qiaoyi Li, Brenda Goh (23 April 2024). "Xiaomi's SU7 orders reach 70,000, EV business to stay focused on China". Reuters. Retrieved 24 July 2024.
  37. ^ "From mobile phones to EVs, Xiaomi shifts gears successfully". South China Morning Post. 15 May 2024. Retrieved 24 July 2024.
  38. ^ "Xiaomi becomes 8th largest EV upstart in China after successful SU7 launch". Reuters. 15 May 2024. Retrieved 24 July 2024.
  39. ^ Tan, Kwan Wei Kevin. "The founder of Xiaomi is taking a leaf out of Elon Musk's playbook, posting a picture of himself napping on the factory floor". Business Insider. Retrieved 18 November 2024.
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