Engineering:Infiniti QX50

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Short description: Compact luxury crossover SUV
Infiniti QX50
2019 Infiniti QX50 AWD, front 8.25.19.jpg
Infiniti QX50 (J55)
Overview
ManufacturerInfiniti (Nissan)
Also called
Production
  • 2007–2013 (EX)
  • 2013–present (QX50)
Body and chassis
ClassCompact luxury crossover SUV
Body style5-door SUV
Layout

The Infiniti QX50, previously the Infiniti EX or Nissan Skyline Crossover until 2013, is a compact luxury crossover SUV produced by Infiniti, the luxury vehicle division of Japanese automaker Nissan. The first-generation QX50 is a minor model update of the EX, while also changing the nameplate to QX50 in line with the marque's new Q and QX nomenclature, which took place for the 2013 (China) and 2015 (United States) model years. The second-generation QX50 entered production in November 2017 as a 2019 model.

First generation (J50; 2007)

First generation (J50)
2008 Infiniti EX35 -- NHTSA.jpg
2008 Infiniti EX35
Overview
Also called
Production2007–2013 (EX)
2013–2017 (QX50)
Model years2008–2013 (EX)
2014–2017 (QX50)
AssemblyKaminokawa, Tochigi, Japan
DesignerTadayoshi Iida (2004, 2005)[1]
Body and chassis
LayoutFront engine, rear-wheel drive / all-wheel drive
PlatformNissan FM platform
RelatedInfiniti FX
Infiniti G37/Nissan Skyline v36
Infiniti M/Nissan Fuga Y51
Nissan 370Z/Fairlady Z Z34
Powertrain
Engine3.5 L VQ35HR V6 (gasoline)
3.7 L VQ37VHR V6 (gasoline)
3.0 L V9X V6 (turbodiesel)
Power output320 hp (239 kW; 324 PS) (3.7 L gasoline)
235 hp (175 kW; 238 PS) (3.0 L diesel)
Transmission7-speed automatic (Manual Shift-ability)
Dimensions
Wheelbase110.2–113.4 in (2,799–2,880 mm)
Length182.3 in (4,630 mm)
2015-17: 186.8 in (4,745 mm)
Width71.0 in (1,803 mm)
Height2013–15: 61.0 in (1,549 mm)
2015–17: 62.7 in (1,593 mm)

Infiniti EX

Infiniti EX Concept (2007)

The concept car was unveiled during the 2007 New York Auto Show.[2] It included a surround-view camera (marketed as Around View Monitor), lane departure system, V6 engine, 5-speed automatic transmission, all-wheel-drive, double-arch grille, large L-shaped headlights with adaptive front lighting system (AFS), integrated fog lights, LED taillights and an "arch" profile design.

EX35 (2007-2013)

The production model EX35 was revealed at the 2007 Pebble Beach Concours d'Elegance,[3] followed by Jamsil Olympic Stadium in Seoul.[4]

North American model of the EX35 went on sale in December 2007 as a 2008 model year vehicle. The EX35 was offered with a 297 hp (221 kW) 3.5 L V6 (VQ35HR) until it was rebadged in 2013 as EX37 with a 325 hp (242 kW) 3.7 L V6 (VQ37VHR). For the 2014 model year, Infiniti again rebadged all of its models renaming the EX37 as QX50.

South Korean model went on sale in 2008-01-24 as 2008 model year vehicle.

EX37

European market

Infiniti EX37
2011 Infiniti EX
Infiniti EX37 interior

The Infiniti EX is sold as the EX37 in the European market. It debuted in Fall 2008. Japanese versions are badged as the Nissan Skyline Crossover.[5]

EX30d

A new 3.0-liter V6 (V9X) diesel engine became available on the 2010 EX, FX and M models. The V6 engine delivers 240 hp (179 kW) and a peak torque of 550 N⋅m (410 lb⋅ft). The engine comes with a seven-speed automatic transmission.

The brand entered the European market with a new 3.0-liter V6 diesel. The engine was the first Diesel in the Infiniti brand's 20-year history. The engine produces 235 hp (175 kW) and 405 N⋅m (299 lb⋅ft) of torque.[6]

European model went on sale as 2010 model year vehicle.

EX25

The VQ25HR V6 engine delivers 218 hp (163 kW) and peak torque of 253 N⋅m (187 lb⋅ft). The engine is mated to a seven-speed automatic transmission. It was launched at the 2010 Beijing International Automotive Exhibition. The EX25 Crossover is currently marketed only in China, Malaysia, Russia and Ukraine.

Engines

Model Years Type/code Power, torque@rpm
EX25 2010–2012 2.5 L V6 24-valve (VQ25HR) 218 hp (163 kW), 185 lb⋅ft (251 N⋅m) @ 4,800 rpm
EX37 2013–2014 3.7 L V6 24-valve (VQ37VHR) 325 hp (242 kW), 267 lb⋅ft (362 N⋅m) @ 5,200 rpm
EX35 2007-2012 3.5 L V6 24-valve (VQ35HR) 297 hp (221 kW), 253 lb⋅ft (343 N⋅m) @ 6,800 rpm
EX30d 2010–2014 3.0 L V6 24-valve (V9X) 235 hp (175 kW), 550 N⋅m (410 lb⋅ft) @ 1750 rpm[6]

Transmissions

Model Years Type
EX35 2007-2010 5-speed automatic
EX35 2011-2012 7-speed automatic
EX37 2013-2014 7-speed automatic
EX30d 2010- 7-speed automatic

Transmissions include manual shift mode that includes the option of sequentially selected manual gearshifts and Downshift Rev Matching (DRM). U.S. models include a choice of RWD or ATTESA E-TS AWD. Models sold in Canada, Europe include ATTESA E-TS AWD as standard.

The Infiniti EX35 line has a 0-60 mph (97 km/h) time of 5.8 - 6.2 seconds.[clarification needed] The quarter mile is 14.6 seconds at 98 mph (158 km/h), and top speed is electronically limited to 144 mph (232 km/h). 70 mph (113 km/h) - 0 braking is a 166 feet (51 m). Roadholding is .83g.[7]

Features

The Infiniti EX was the first production automobile to offer a surround-view camera, marketed as Around View Monitor. The cameras are located at the front, back and sides of the vehicle and feed images to an image processing unit; those individual inputs are analyzed, synthesized to offer a synthetic but positionally accurate top-down view of the car and its surroundings. The image appears in lifelike detail.[8][9]

  • The EX is also one of the first production automobiles to feature "Scratch Shield," a "self-healing clearcoat paint. The paint self-repairs fine scratches, such as fingernail scratches under door handles, restoring the EX's surface close to the original state. The process, which takes anywhere from one day to one week (depending on the surrounding temperature and the depth of the scratch), is accomplished through the use of an elastic resin. It is combined with a conventional clearcoat to increase the paint's flexibility and strength by raising the resin density."[3]
  • The EX becomes the second Infiniti production vehicle, following the 2008 Infiniti M series, to offer the Lane Departure Prevention (LDP) system.[10] This utilizes the electronic stability control system to help assist the driver in maintaining lane position by applying gentle brake pressure on each wheel individually to generate intended movement. It sounds an alert and nudges the vehicle in the correct direction when lane departure is detected.[11] It also applies braking actuation to bring vehicle back in the lane.[10]

Infiniti QX50

QX50 (2013)

Pre-facelift rear

The vehicle was unveiled in the 2013 Nanjing Auto Show.[12]

Middle East models went on sale as 2014 model year vehicle. Early models include VQ37VHR 3.7-liter V6 (326PS) engine with all wheel drive, 7-speed automatic transmission with manual shift mode, DS mode with Downshift Rev Matching (DRM), and Adaptive Shift Control.[13]

US models went on sale as 2014 model year vehicles. Early models included QX50, QX50 AWD, QX50 Journey and QX50 AWD Journey.[14]

QX50L (2015)

The China model was set to go on sale in 2015.[15]

Engines

Gasoline engines [16][17]
Model Years Type/code Power, torque@rpm
3.7 AWD (320PS) 2013?- 3,696 cc (226 cu in) V6 (Nissan VQ37VHR) 320 PS (235 kW; 316 hp)@7000, 360 N⋅m (266 lb⋅ft)@5200
3.7 AWD (326PS) 2013?- 3,696 cc (226 cu in) V6 (Nissan VQ37VHR) 326 PS (240 kW; 322 hp)@7000, 360 N⋅m (266 lb⋅ft)@5200
3.7 (330PS) 2013?- 3,696 cc (226 cu in) V6 (Nissan VQ37VHR) 330 PS (243 kW; 325 hp)@7000, 360 N⋅m (266 lb⋅ft)@5200
3.7 AWD (330PS) 2013?- 3,696 cc (226 cu in) V6 (Nissan VQ37VHR) 330 PS (243 kW; 325 hp)@7000, 360 N⋅m (266 lb⋅ft)@5200
Diesel engines
Model Years Type/code Power, torque@rpm
3.0d AWD 2013?- 2,993 cc (183 cu in) V6 turbo (V9X) 238 PS (175 kW; 235 hp)@3750, 550 N⋅m (406 lb⋅ft)@1750

Transmissions

Gasoline engines
Model Years Types
3.7 AWD (320PS) 2013?- electronically controlled 7-speed automatic transmission with manual mode
3.7 AWD (326PS) 2013?- electronically controlled 7-speed automatic transmission with manual mode
Diesel engines
Model Years Types
3.0d AWD 2013?- electronically controlled 7-speed automatic transmission with manual mode

Production

Production of the Chinese models of QX50L at Xiangyang plant in Hubei Province was set to begin in 2014.[18][19][20]

Marketing

Infiniti QX50L was used as the actors' official passenger vehicle for the Where Are We Going? Dad (爸爸去哪儿) television series.[21][22]

2015 update

QX50 (2015)

2015 facelift

Changes include overall length increased by 80 millimeters (3.1 inches), a redesigned grille and front bumper assembly that incorporate LED daylight running lights, optional automatically opened and closed tailgate hatch, optional full panoramic glass roof.

The vehicle was unveiled in the 2014 Guangzhou motor show, followed by the 2015 New York Auto Show.[23]

Delivery of China model began in February 2015.[24]

US models went on sale as 2016 model year vehicle. Early models included 3.7, 3.7 AWD.[25]

Engines

Gasoline engines
Model Years Type/code Power, torque@rpm
3.7 (330PS) 2015?- 3,696 cc (226 cu in) V6 (Nissan VQ37VHR) 330 PS (243 kW; 325 hp)@7000, 360 N⋅m (266 lb⋅ft)@5200
3.7 AWD (330PS) 2015?- 3,696 cc (226 cu in) V6 (Nissan VQ37VHR) 330 PS (243 kW; 325 hp)@7000, 360 N⋅m (266 lb⋅ft)@5200

Transmissions

Gasoline engines
Model Years Types
3.7 (330PS) 2015?- electronically controlled 7-speed automatic transmission with manual mode
3.7 AWD (330PS) 2015?- electronically controlled 7-speed automatic transmission with manual mode

Second generation (J55; 2019)

Second generation (J55)
2019 Infiniti QX50 Pure AWD in Lunar White, front right.jpg
Overview
Also calledInfiniti QX55
ProductionNovember 2017 – present[26]
Model years2019–present
Assembly
  • Mexico: Aguascalientes (COMPAS)
  • China: Dalian (Dongfeng Nissan)
DesignerShiro Nakamura (2014)
Body and chassis
Body style5-door SUV (QX50)
5-door coupé SUV (QX55)
LayoutFront engine, front-wheel drive / all-wheel drive
Powertrain
Engine2.0 L KR20DDET turbo I4 (gasoline)
Power output268 hp (200 kW; 272 PS)
TransmissionXtronic CVT
Dimensions
Wheelbase2,800 mm (110.2 in)
Length4,700 mm (185.0 in)
Width1,902 mm (74.9 in)
Height1,676 mm (66.0 in)
Rear view

The production version of the second-generation QX50 was unveiled at the 2017 LA Auto Show as a 2019 model. It features a turbocharged 2.0 L KR20DDET gasoline engine equipped with Nissan's VC-T variable compression ratio system.

Production of the QX50 began in November 2017 at COMPAS, a Nissan and Daimler AG's joint plant in Aguascalientes, Mexico.[27]

QX55

Introduced in the first quarter of 2021 for the 2022 model year, the QX55 is a "coupé SUV" version of the QX50 with a more sloped roof design. Infiniti intends it to be the spiritual successor to the FX.[28][29]

  • 2022 Infiniti QX55

  • 2022 Infiniti QX55

QX Sport Inspiration Concept (2016)

It included 21-inch wheels, black and white interior upholstery.

The vehicle was unveiled in the 2016 Beijing Motor Show,[30] followed by the 2016 Paris Motor Show (with gray body color, 22-inch wheels in bronze, brown leather interior upholstery, 2.0-liter inline-four variable compression engine with compression ratio between 8:1 and 14:1),[31] 2016 Los Angeles Auto Show (with black and white interior upholstery).[32]

QX50 Concept (2017)

It included a 2.0-liter inline-four variable compression engine with compression ratio between 8:1 and 14:1, front-drive platform.[33]

The vehicle was unveiled in the 2017 North American International Auto Show.[34][35][36]

Safety

QX50

The 2020 QX50 was tested by the Insurance Institute for Highway Safety. [37]

IIHS scores
Moderate overlap front Good
Side (original test) Good
Headlights
Acceptable Marginal
varies by trim/option
Front crash prevention (Vehicle-to-Vehicle) Superior

QX55

The 2022 QX55 was tested by the Insurance Institute for Highway Safety. [38]

IIHS scores
Moderate overlap front Good

Sales

Calendar year US Canada
2021 19,195[39] 2,158[40]
2022 11,105[39] 1,183[40]

References

  1. ↑ "Home". Oami.europa.eu. http://oami.europa.eu/RCDOnline/RequestManager. 
  2. ↑ Nunez, Alex (2007-04-04). "New York Auto Show: Infiniti EX Concept debuts". Autoblog.com. http://www.autoblog.com/2007/04/04/new-york-auto-show-infiniti-ex-concept-debuts/. 
  3. ↑ 3.0 3.1 Nunez, Alex (2007-08-16). "Officially Official: 2008 Infiniti EX35 Revealed". Autoblog. http://www.autoblog.com/2007/08/16/officially-official-2008-infiniti-ex-revealed/. 
  4. ↑ "The All-new Infiniti EX Released in Korea" (Press release). Nissan-global.com. 2008-01-24. Archived from the original on 2016-03-03. Retrieved 2016-03-15.
  5. ↑ Neff, John (2008-02-25). "Infiniti kicks off Euro invasion with 325 hp EX37". Autoblog.com. http://www.autoblog.com/2008/02/25/infiniti-kicks-off-euro-invasion-with-305-hp-ex37/. 
  6. ↑ 6.0 6.1 Pollard, Tim (11 August 2010). "Infiniti EX30d (2010) new review". Car magazine. http://www.carmagazine.co.uk/car-reviews/infiniti/infiniti-ex30d-2010-new-review/. 
  7. ↑ "2008 Infiniti EX35 AWD Journey - Road Test". CarAndDriver.com. April 2008. http://www.caranddriver.com/reviews/car/08q2/2008_infiniti_ex35_awd_journey-road_test/. 
  8. ↑ "Around View Monitor". blogs at cars.com. http://blogs.cars.com/kickingtires/2007/03/infiniti_around.html#more. 
  9. ↑ Jack R. Nerad (October 16, 2002). "How Does Bird's Eye View Work in Cars?". J D POWER. https://www.jdpower.com/Cars/Shopping-Guides/how-does-birds-eye-view-work-in-cars. 
  10. ↑ 10.0 10.1 "Lane Departure Prevention". Nissan. http://www.nissan-global.com/EN/TECHNOLOGY/INTRODUCTION/DETAILS/LDP/index.html. 
  11. ↑ "2009 Infiniti EX35 Review". Automoblog.net. 18 July 2009. http://www.automoblog.net/2009/07/18/2009-infiniti-ex35-review/. 
  12. ↑ "Q纪元强势前行 英菲尼迪闪耀亮相2013南京车展". http://www.infiniti.com.cn/news_center/qianxing.html. 
  13. ↑ "A Uniquely Personal Expression of Style, With Standard 3.7-litre V6" (Press release). Infinitipress.me. Archived from the original on 2016-03-05. Retrieved 2016-03-15.
  14. ↑ "2014 INFINITI QX50 Press Kit". November 11, 2013. http://usa.infinitinews.com/en-US/releases/us-2014-infiniti-qx50-press-kit. 
  15. ↑ "全新英菲尼迪Q50亚洲首演 国产车型公布 英菲尼迪强势出击2013上海车展". http://www.infiniti.com.cn/news_center/shcz.html. 
  16. ↑ 2014 QX50 brochure (Europe)
  17. ↑ "2014 QX50 brochure (Middle East)". http://www.infinitipress.me/assets/infiniti/cars-pdf/Infiniti-QX50-SpecsSheet-2014.zip. 
  18. ↑ "Katy Perry to Perform at Infiniti Brand Festival in China". Infinitinews.com. 2013-12-09. http://infinitinews.com/en-US/infiniti/usa/channels/infiniti-corporate-news-global-news/releases/katy-perry-to-perform-at-infiniti-brand-festival-in-china. 
  19. ↑ 英菲尼迪(进口)-英菲尼迪Q50 (2013-04-22). "英菲尼迪2014年国产Q50L/QX50L两款车". Autohome.com.cn. http://www.autohome.com.cn/news/201304/514906.html. 
  20. ↑ Infiniti adds two-liter turbocharged petrol engine to Q50 range
  21. ↑ "关于《爸爸去哪儿》节目官方用车的声明". http://www.infiniti.com.cn/news_center/babaqunar-declaration.html. 
  22. ↑ "英菲尼迪全系SUV车型护航 重量级嘉宾吴秀波现身探班 《爸爸去哪儿》第一季圆满谢幕". http://www.infiniti.com.cn/news_center/wuxiubo.html. 
  23. ↑ "Infiniti QX50 confirmed for NY debut". https://www.autoblog.com/2015/03/26/infiniti-qx50-ny-official/. 
  24. ↑ Infiniti shows latest QX50 in China
  25. ↑ "2016 Infiniti QX50 First Drive [w/video"]. https://www.autoblog.com/2015/09/28/2016-infiniti-qx50-first-drive-review/. 
  26. ↑ "Infiniti lanza crossover semiautónoma hecha en Aguascalientes" (in es). November 29, 2017. https://cobos.tv/2017/11/infiniti-lanza-crossover-semiautonoma-hecha-en-aguascalientes/. 
  27. ↑ Frost, Laurence (January 6, 2017). "Exclusive: Nissan halts joint development of luxury cars with Daimler - sources". https://www.reuters.com/article/us-nissan-daimler-idUSKBN14P22Z. 
  28. ↑ Dorian, Drew (November 18, 2020). "2022 Infiniti QX55 Revealed with Dramatic Fastback Styling". https://www.caranddriver.com/news/a34661126/2022-infiniti-qx55-revealed/. 
  29. ↑ Tsui, Chris. "2022 Infiniti QX55: Infiniti Tries Again With a VC-Turbo 'Coupe' SUV". https://www.thedrive.com/news/37626/2022-infiniti-qx55-infiniti-tries-again-with-a-vc-turbo-coupe-suv. 
  30. ↑ "Infiniti QX Sport Inspiration Concept fits perfectly in the QX50's shoes". https://www.autoblog.com/2016/04/24/infiniti-qx-sport-concept-qx70-preview/. 
  31. ↑ "Infiniti's QX Sport Inspiration is still attractive, in Paris, and now gray". https://www.autoblog.com/2016/09/29/infiniti-qx-sport-inspiration-crossover-concept-paris/. 
  32. ↑ "INFINITI QX Sport Inspiration and Future VC-Turbo Engine Technology Makes North American Debuts At Los Angeles Auto Show". November 14, 2016. http://canada.infinitinews.com/en-CA/releases/infiniti-qx-sport-inspiration-and-future-vc-turbo-engine-technology-makes-north-american-debuts-at-los-angeles-auto-show. 
  33. ↑ "Infiniti QX50 concept previews production model with variable compression engine". https://www.autoblog.com/2016/12/30/infiniti-qx50-concept-variable-compression-engine/. 
  34. ↑ "インフィニティ、2017年北米自動車ショーで 「QX50コンセプト」を世界初公開 インフィニティの次世代中型SUVビジョンを示唆 -". January 9, 2017. https://global.nissannews.com/ja-JP/releases/2017-qx50-suv. 
  35. ↑ "QX50 Concept: INFINITI's vision for a next-generation mid-size premium crossover". January 9, 2017. https://global.nissannews.com/ja-JP/releases/qx50-concept-infinitis-vision-for-a-next-generation-mid-size-premium-crossover. 
  36. ↑ "Infiniti's QX50 Concept debuts in oh-so-close-to-production form in Detroit". https://www.autoblog.com/2017/01/09/infiniti-qx50-concept-2017-detroit-auto-show/. 
  37. ↑ "2020 Infiniti QX50 4-door SUV". https://www.iihs.org/ratings/vehicle/infiniti/qx50-4-door-suv/2020. 
  38. ↑ "2022 Infiniti QX55 4-door SUV". https://www.iihs.org/ratings/vehicle/infiniti/qx55-4-door-suv/2022. 
  39. ↑ 39.0 39.1 "Nissan Group reports 2022 fourth quarter and 2022 calendar year U.S. Sales". 2023-01-04. https://usa.nissannews.com/en-US/releases/release-11a3798e690982990d7a74e66d13fa78-nissan-group-reports-2022-fourth-quarter-and-2022-calendar-year-us-sales. 
  40. ↑ 40.0 40.1 "Nissan Group reports fourth-quarter 2022 and calendar year 2022 Canadian sales". 2023-01-04. https://canada.nissannews.com/en-CA/releases/release-11a3798e690982990d7a74e66d14e135-nissan-group-reports-fourth-quarter-2022-and-calendar-year-2022-canadian-sales. 

External links

Press kit:



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