Engineering:BYD Qin

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Short description: Compact sedan
BYD Qin
BYD Qin car
BYD Qin Plus DM-i
Overview
ManufacturerBYD Auto
Production2012–present
Body and chassis
ClassCompact car / small family car (C)
Body style4-door sedan
Chronology
PredecessorBYD F3DM

The BYD Qin (Chinese: 比亚迪秦, after the Qin dynasty) is a compact sedan produced by BYD Auto since 2012. The Qin started out as the plug-in hybrid version of the BYD Surui, and was introduced in the Chinese market in August 2012.[1] Currently, the Qin is available as battery electric vehicle, as a plug-in hybrid and previously as an internal combustion engine vehicle.

The Qin is the successor of the BYD F3DM, the world's first mass-produced plug-in hybrid automobile which launched in China in 2008. In April 2012, BYD replaced the F3DM with the Qin.[2][3][4] The first-generation Qin is the plug-in hybrid version of the BYD Surui (the second-generation BYD F3), and deliveries in China began in mid-December 2013.[5]

The second generation model includes two variants called the BYD Qin Pro and BYD Qin Plus. The BYD Qin Pro was launched in September 2018,[6] while the succeeding Qin Plus was launched in 2021. An updated version of the first generation is sold alongside the second generation Qin variants.

First generation (2012)

First generation
BYD Qin car in orange color
Overview
Production2012–present
AssemblyChina: Xi'an, Shaanxi
Body and chassis
Layout
  • Front-engine, front-wheel-drive
  • Front-motor, front-wheel-drive (EV)
RelatedBYD Surui
BYD F3
BYD L3
BYD G3
BYD e5
Powertrain
Engine1.5 L BYD476ZQA I4[7] (turbo petrol)
Electric motorTwo 110 kW (148 hp; 150 PS) permanent magnet synchronous motors[7]
Transmission6-speed DCT
Battery13 kWh LFP (DM)[8]
Electric range70 km (43 mi)[9]
Dimensions
Wheelbase2,670 mm (105.1 in)
Length4,740 mm (186.6 in)
Width1,770 mm (69.7 in)
Height1,480 mm (58.3 in) (2014–2015)
1,490 mm (58.7 in) (2016–present)
Chronology
PredecessorBYD F3DM

The BYD Qin concept car was unveiled at the 2012 Beijing International Automotive Exhibition. It was named after the Qin dynasty, China's first imperial dynasty.[8][10][11]

The plug-in hybrid variant (which was the only variant available in the beginning) currently offers a NEDC all-electric range of 82 km (51 mi)[12] and a hybrid electric powertrain that can extend the car's total range to a distance similar to that of a conventional petrol-powered vehicle. The all-electric variant offers a NEDC range of 520 kilometres (320 mi).[13]

The Qin was designed with BYD's next-generation, more efficient, dual-mode, electric powertrain. The BYD Qin uses a smaller lithium iron phosphate battery (LiFePO4, or LFP) than its predecessor, the F3DM: 13 kWh instead of 16 kWh. The LiFePO4 battery has a high energy density, can withstand up to 4,000 charges and still retain 80 percent performance, and uses no toxic heavy metals in its manufacture. Due to its improved design, the new battery is about 50 percent smaller and lighter than the one used on the F3DM. The reduced battery pack size translates into reduced price at the expense of the all-electric range, which BYD estimates at 50 kilometres (31 mi). The larger battery in the F3DM delivers an all-electric range of 97 kilometres (60 mi). BYD said the Qin would be seven percent more efficient with savings in power and energy in all-electric (EV) mode.[8][10]

In hybrid mode, the Qin uses two 110-kilowatt (148 hp; 150 PS) electric motors and a 1.5-litre turbo-charged direct-injected engine, instead of the 1.0-litre 3-cylinder engine used in the F3DM, to output 223 kW (299 hp; 303 PS) of power and 440 N⋅m (325 lb⋅ft; 45 kg⋅m) of torque. According to BYD Auto, the Qin has a top speed of 185 km/h (115 mph) and can accelerate from 0–100 km/h (0–62 mph) in less than 5.9 seconds. Thanks to its smaller battery and increased wheelbase, the Qin will have more interior space than the F3DM, and the styling has also been improved over BYD's earlier models, most notably in the car's interior. The Qin features two large TFT LCD displays on the dashboard, equipped with the BYD "i" intelligent cloud system platform incorporating features like telematics, cloud-computing and a full range of services 24 hours a day.[8][10]

Retail sales of the BYD Qin began in Costa Rica in November 2013, and BYD planned to start sales in other countries in Central and South America in 2014.[14][15]

Pre-facelift styling (2014–2017)

  • Pre-facelift BYD Qin front.

  • Pre-facelift BYD Qin rear.

Post-facelift styling (2018)

  • BYD Qin facelift front.

  • BYD Qin facelift rear.

Qin EV300

A pure battery electric version, the Qin EV300, was released in China in March 2016.[16] The BYD Qin EV300 is powered by a 218 hp electric motor and a battery pack that is expected to deliver a range of 300 km (190 mi). Top speed is 150 kilometres per hour (93 mph).[17] There are four versions of the Qin EV300.[11]

  • BYD Qin EV300.

2019 refresh

Despite the introduction of the Qin Pro in 2018, an updated version of the first-generation Qin is also in production as of 2019. The manufacturer refers to it as the "all-new Qin" (全新秦).

The new model uses the "dragon face" styling of the front end, with some changes to the taillights. The vehicle is shorter than the initial model (4,675 mm (184.1 in) vs 4,740 mm (186.6 in)), while the wheelbase and the width remain same.

While the initial model was offered as a plug-in hybrid or with an all-electric drivetrain, the updated model is offered with a petrol engine or with an all-electric drivetrain.

In the all-electric variant, the battery capacity is 53.1 kWh (191 MJ).[18][19]

  • 2019 BYD Qin facelift front.

  • 2019 BYD Qin facelift rear.

  • 2019 BYD Qin EV facelift front.

  • 2019 BYD Qin EV facelift rear.

Second generation (2018)

Second generation
BYD Qin Pro in white color
Overview
Also called
  • BYD Qin Pro (2018–2021)
  • BYD Qin Plus (2021–present)
Production2018–present
AssemblyChina: Xi'an, Shaanxi; Hefei, Anhui
DesignerUnder the lead of Wolfgang Egger
Body and chassis
Layout
  • Front-engine, front-wheel-drive
  • Front-motor, front-wheel-drive (EV)
RelatedBYD Destroyer 05
Powertrain
Engine
  • Petrol:
  • 1.5 L BYD476ZQA I4 turbo (2018–2021)
  • Petrol plug-in hybrid:
  • 1.5 L BYD476ZQA I4 turbo (Qin Pro DM)
  • 1.5 L BYD472QA I4 Atkinson cycle (Qin Plus DM-i)
Electric motorPermanent magnet synchronous (DM/EV)
Transmission
  • 6-speed Mitsubishi W6MG1 manual (Qin Pro)
  • 6-speed DCT (Qin Pro)
  • E-CVT (Qin Plus DM-i)
Hybrid drivetrainPlug-in hybrid (DM/DM-i)
Battery
Dimensions
Wheelbase2,718 mm (107.0 in)
Length4,765 mm (187.6 in)
Width1,837 mm (72.3 in)
Height
  • 1,495 mm (58.9 in)
  • 1,515 mm (59.6 in) (Qin Plus EV)[20]

Qin Pro

The BYD Qin Pro is the first product of the second generation BYD Qin sedans; it debuted at the 2018 Beijing Auto Show. Initially sold alongside the first generation BYD Qin, it is the first BYD sedan to be designed by BYD's new chief designer, Wolfgang Egger.[21]

BYD Qin Pro rear

BYD's website states that the 2019 Qin Pro will have a "Dragon Face" design of the front grille and a rotating DiLink 12.8 inch touchscreen with artificial intelligence voice interaction system.[22] It will have a suite of advanced safety and driver-assistance systems[23] including an adaptive cruise control system with stop-and-go (ACC-S&G) and an automatic emergency braking system (AEB). High-strength steel comprises 73.5% of the weight of the car's body in white (in the gasoline variant).[24]

Powertrain

BYD offers three different powertrains on the model: the Qin Pro is available as an all-electric car, as a plug-in hybrid and as a conventional gasoline ICE vehicle. Some other models in the company's lineup, including the BYD Song, the BYD Tang and the BYD Song MAX also offer a choice of three different powertrains.

The BYD Qin Pro DM (the plug-in hybrid) is powered by a 154-horsepower (115 kW; 156 PS) 1.5-litre turbo, inline four engine combined with a 150-horsepower (112 kW; 152 PS) electric motor to produce a total of 304 horsepower (227 kW; 308 PS). The top speed of the BYD Qin Pro is 200 kilometres per hour (120 mph) and can accelerate from 0 to 100 km/h (0 to 62 mph) in 5.9 seconds.[25]

The BYD Qin Pro EV (the all-electric variant) features a 69.5 kWh (250 MJ) battery in the top version.[13]

  • BYD Qin Pro

  • Rear view

Qin Plus

For 2021, BYD introduced the Qin Plus as the refreshed version of the Qin Pro. The Qin Plus was unveiled during the 2020 Guangzhou Auto Show on November 20, 2020. Compared to the Qin Pro, it features restyled front and rear ends, while dimensions are unchanged. It is available as a plug-in hybrid DM-i variant and battery electric version.

Qin Plus DM-i

The Qin Plus initially was only available with a plug-in hybrid powertrain, using BYD's latest system called the DM-i. The Qin Plus was one of the first BYD products with the DM-i system to be introduced to the market, alongside the Tang DM-i and Song Plus DM-i crossovers; the market launch event was in January 2021.[26]

The DM-i powertrain of the Qin Plus combines a 1.5-litre naturally aspirated engine with a single electric motor for a total output of about 170 horsepower (127 kW; 172 PS). The engine's thermal efficiency ratio is claimed to be at the industry-leading 43% as of 2021. Fuel consumption of the Qin Plus does not exceed 3.8 litres per 100 kilometres (74 mpg‑imp; 62 mpg‑US). Its Blade battery provides an electric range of 50–120 km. The car is equipped with an E-CVT transmission.[citation needed]

The 1.5-litre naturally aspirated engine of the Qin Plus DM-i uses the Atkinson cycle and features cooled exhaust gas recirculation (EGR), a split cooling system (the engine cooling circuit is split into two parts, one for the cylinder head and one for the block) and an electric water pump. The engine develops a maximum power output of 81 kilowatts (109 hp; 110 PS) at 6000 rpm, and the peak torque is 135 N⋅m (100 lb⋅ft; 14 kg⋅m) at 4500 rpm. The compression ratio is 15.5:1 and it meets the National VI B emission standard in China.[citation needed]

The Qin Plus DM-i is equipped with a floating LCD instrument panel and a floating large-size central control screen, combined with a three-spoke flat-bottom multifunction steering wheel.[27]

  • Qin Plus DM-i

  • Rear view

Qin Plus EV

The top version features a 71.7 kWh battery with 600 km range.[28] Versions with batteries 47.5 and 57 kWh are also available, with ranges of 400 and 500 kilometres (250 and 310 mi) respectively.[20]

  • Qin Plus EV

  • Rear view

Production and sales

Year China
Qin[29] Qin EV[30] Qin Pro[31] Qin Pro DM/EV[32] Qin Plus DM Qin Plus EV Total
2015 25,579 25,579
2016 22,614 10,182 32,796
2017 20,623 4,873 25,496
2018 38,859 7,851 6,916 12,245 65,871
2019 8,328 5,503 17,772 20,586 52,189
2020 16,599 41,621[33] 12,638[33] 11,326 82,184
2021 2,086 19,477[34] 2,138[34] 712[34] 169,807[34] 56,151[35] 194,220
2022 33,792[36] 195,349[36] 119,933[36] 349,074
2023 26,282[37] 327,371[38] 128,492[39] 482,145

See also

  • List of BYD Auto vehicles

References

  1. ↑ Joey Wang (2013-02-12). "Spy Shots: BYD Qin seen testing in China". Car News China. http://www.carnewschina.com/2013/02/12/spy-shots-byd-qin-seen-testing-in-china/. 
  2. ↑ John Voelcker (2012-04-20). "BYD Chin: World's First Plug-In Hybrid, Updated And Renamed". Green Car Reports. http://www.greencarreports.com/news/1075547_byd-chin-worlds-first-plug-in-hybrid-updated-and-renamed. 
  3. ↑ Danny King (2012-04-19). "BYD's Qin sedan will replace poor-selling F3DM". Autoblog Green. http://green.autoblog.com/2012/04/19/byds-qin-sedan-will-replace-poor-selling-f3dm/. 
  4. ↑ "Daimler/BYD joint venture introduces DENZA EV concept at Auto China 2012; BYD introduces new dual-mode Qin". Green Car Congress. 2012-04-22. http://www.greencarcongress.com/2012/04/denza-20120423.html. 
  5. ↑ Chinese Car News (2013-12-19). "BYD Launches Qin Plugin Hybrid – 189,800RMB to 209,800RMB". China Car Times. http://www.chinacartimes.com/2013/12/byd-launches-qin-plugin-hybrid-189800rmb-209800rmb/. 
  6. ↑ Wanxiang, Liu (2018-10-19). "乘联会：3月新能源乘用车销量回升至1.56万辆 比亚迪北汽江淮包揽前三" (in zh). D1EV.com. https://www.d1ev.com/news/shuju/78519. 
  7. ↑ 7.0 7.1 Eric Loveday (2013-05-09). "Plug-In Hybrid BYD Qin to Launch With Expected $29,000 Price Tag in June 2013". InsideEVs.com. http://insideevs.com/plug-in-hybrid-byd-qin-to-launch-with-expected-29000-price-tag-in-june-2013/. 
  8. ↑ 8.0 8.1 8.2 8.3 Jeff Lundblad (2012-04-19). "BYD's New Plug-In Hybrid; More Details Emerging". China Car Times. http://www.chinacartimes.com/2012/04/19/byds-plugin-hybrid-details-emerging/. 
  9. ↑ "BYD Qin is Delayed Till December". China Car Times. 2013-11-04. http://www.chinacartimes.com/2013/11/04/byd-qin-delayed-december/. 
  10. ↑ 10.0 10.1 10.2 "BYD Unveils F3 Plus and Qin PHEV at Beijing Auto Show". Pure Green Cars. 2012-04-25. http://puregreencars.com/Green-Cars-News/plug-in-hybrids/byd-unveils-f3-plus-and-qin-phev-at-beijing-auto-show.html. 
  11. ↑ 11.0 11.1 Snyder, John B. (2016-04-04). "BYD launches 2 new EVs, predicts sales will nearly triple". Autoblog.com. http://www.autoblog.com/2016/04/04/byd-2-new-evs-sales-triple/. 
  12. ↑ "秦Pro DM超能版-比亚迪汽车官方网站 比亚迪汽车 ─ 新能源汽车引领者". http://www.bydauto.com.cn/auto/carShow.html-param=%E7%A7%A6ProDM%E8%B6%85%E8%83%BD%E7%89%88. 
  13. ↑ 13.0 13.1 "秦Pro EV超能版-比亚迪汽车官方网站 比亚迪汽车 ─ 新能源汽车引领者". http://www.bydauto.com.cn/auto/carShow.html-param=%E7%A7%A6ProEV%E8%B6%85%E8%83%BD%E7%89%88. 
  14. ↑ EV World (2013-12-04). "BYD Announces Sales Launch of Qin Electric Hybrid in Latin America". EV World. http://evworld.com/news.cfm?newsid=31882. 
  15. ↑ John Voelcker (2013-12-09). "BYD Qin Plug-In Hybrid Now On Sale In Costa Rica". Green Car Reports. http://www.greencarreports.com/news/1088989_byd-qin-plug-in-hybrid-now-on-sale-in-costa-rica. 
  16. ↑ Wang, Joey (2016-04-01). "BYD Qin EV300 launched on the Chinese car market". Car News China. http://www.carnewschina.com/2016/04/01/byd-qin-ev300-launched-on-the-chinese-car-market/. 
  17. ↑ Wang, Joey (2016-02-15). "BYD Qin EV will hit the Chinese car market in March". Car News China. http://www.carnewschina.com/2016/02/15/byd-qin-ev-will-hit-the-chinese-car-market-in-march/. 
  18. ↑ "全新秦Ev-比亚迪汽车官方网站 比亚迪汽车 ─ 新能源汽车引领者". http://www.bydauto.com.cn/auto/carShow.html-param=%E5%85%A8%E6%96%B0%E7%A7%A6EV. 
  19. ↑ "车型总览_比亚迪汽车官方网站_新能源汽车引领者". http://www.bydauto.com.cn/auto/AllVehicleModel/CarOverview.html. 
  20. ↑ 20.0 20.1 "比亚迪e购商城". https://mall.bydauto.com.cn/pc/attrCompare?id=245&name=%E7%A7%A6PLUS%20EV. 
  21. ↑ "The New BYD Qin Sedan Is A Beauty And A Hybrid". 12 March 2018. https://carnewschina.com/2018/03/12/the-new-byd-qin-sedan-is-a-beauty-and-a-hybrid/. 
  22. ↑ "我∞自进化". http://www.bydauto.com.cn/subject/qin.php. 
  23. ↑ 比亚迪汽车销售有限公司. "我 ∞ 自进化 激发无限想象力 比亚迪秦Pro全擎领航 超感上市 -新闻报道-比亚迪汽车官方网站 比亚迪汽车 ─ 新能源汽车引领者". http://www.bydauto.com.cn/news-id-2912.html. 
  24. ↑ "十万元中级车新选择 解码比亚迪秦Pro燃油版". 28 November 2018. http://auto.sina.com.cn/newcar/x/2018-11-28/detail-ihpevhcm1285736.shtml. 
  25. ↑ "Official Images Of The New BYD Qin Pro Hybrid Sedan For China". 23 April 2018. https://carnewschina.com/2018/04/23/official-images-of-the-new-byd-qin-pro-hybrid-sedan-for-china/. 
  26. ↑ "BYD launches DM-i super hybrid technology" (in en). autonews.gasgoo.com. http://autonews.gasgoo.com/china_news/70017898.html. 
  27. ↑ "BYD Qin PLUS/Song PLUS/Tang DM-i starts pre-sales of RMB 10.78-22.48-Sina Auto" (in en). 6park.news. https://6park.news/en/byd-qin-plus-song-plus-tang-dm-i-starts-pre-sales-of-rmb-10-78-22-48-sina-auto.html. 
  28. ↑ "Archived copy". https://www.bydauto.com.cn/auto/carShow.html-param=%E7%A7%A6PLUSEV. 
  29. ↑ "BYD Qin - Sales in China". https://www.chinamobil.ru/eng/byd/qin/?view=sales. 
  30. ↑ "BYD Qin EV - Sales in China". https://www.chinamobil.ru/eng/byd/qin-ev300/?view=sales. 
  31. ↑ "BYD Qin Pro - Sales in China". https://www.chinamobil.ru/eng/byd/qin-pro/?view=sales. 
  32. ↑ "BYD Qin Pro New Energy - Sales in China". https://www.chinamobil.ru/eng/byd/qin-pro-ev/?view=sales. 
  33. ↑ 33.0 33.1 "2020年12月轿车销量排行榜_平行线车网". http://m.pxx88.com/m/xiaoliang/phb_lx/39_1.htm. 
  34. ↑ 34.0 34.1 34.2 34.3 "2021年12月轿车销量排行榜_平行线车网". http://m.pxx88.com/m/xiaoliang/phb_lx/51_1.htm. 
  35. ↑ "【易车销量榜】全国2021年纯电动批发量销量榜-易车榜-易车". https://car.yiche.com/newcar/salesrank/?flag=2021&energy=2&saleType=0. 
  36. ↑ 36.0 36.1 36.2 "2022年12月轿车销量排行榜_平行线车网". http://m.pxx88.com/m/xiaoliang/phb_lx/63_1.htm. 
  37. ↑ "【易车销量榜】全国2023年纯电动批发量销量榜-易车榜-易车". https://car.yiche.com/newcar/salesrank/?flag=2023&energy=2&saleType=0&page=5. 
  38. ↑ "【易车销量榜】全国2023年插电混动批发量销量榜-易车榜-易车". https://car.yiche.com/newcar/salesrank/?flag=2023&energy=3&saleType=0. 
  39. ↑ "【易车销量榜】全国2023年纯电动批发量销量榜-易车榜-易车". https://car.yiche.com/newcar/salesrank/?flag=2023&energy=2&saleType=0&page=2. 

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