Mazda Demio
Mazda Demio | |
---|---|
Overview | |
Manufacturer | Mazda |
Also called | Mazda 2 |
Production | 1996–present |
Body and chassis | |
Class | Supermini |
Layout | Front-engine, front-wheel-drive or four-wheel-drive[nb 1] |
Chronology | |
Predecessor |
Mazda 121 Autozam Revue |
The Mazda Demio is a supermini car produced by the Japanese manufacturer Mazda since 1996, currently in its third generation. It is also marketed globally as the Mazda 2 and previously under other nameplates, including Mazda 121, Mazda Metro and Ford Festiva Mini Wagon, being at foundation an XUV.
The third generation Demio earned the 2008 World Car of the Year title.[1]Origin
Originating with the introduction of the Mazda 121 in 1987, this B-segment small car was based on the Mazda D-platform. Ford also used a version of the first-generation DA 121 known as the Ford Festiva. Mazda later released the Autozam Revue in 1990 with the next generation of the D-platform DB. It was redesigned for January 1993, still based on the same DB platform. Kia also built versions of the DA and DB, both for itself and for Ford's sale as Ford Aspire in the United States which Kia sold as the Pride and Avella.
First generation (DW; 1996–2002)
First generation (DW) | |
---|---|
Overview | |
Also called |
Mazda 121 Ford Festiva Mini Wagon |
Production | 1996–2002 |
Assembly |
Hiroshima, Japan (Hiroshima Plant) Yokohama, Japan[citation needed] Valencia, Spain (Ford Spain) Bogotá, Colombia (CCA) |
Body and chassis | |
Body style | 5-door hatchback |
Layout | Front-engine, front-wheel-drive |
Platform | Mazda DW platform |
Related | Ford Fiesta |
Powertrain | |
Engine |
1.3 L I4 (petrol) 1.5 L I4 (petrol) |
Dimensions | |
Wheelbase | 2,390 mm (94.1 in) |
Length | 3,800 mm (149.6 in) |
Width | 1,670 mm (65.7 in) |
Height | 1,535 mm (60.4 in) |
When it came to redesigning the Revue, Mazda came up with a tall hatchback, minivan-esque package (the Revue was already over 1,500 mm (59.1 in) tall). Introduced in a time full of negative press coverage, the Demio became a surprise hit for Mazda in Japan, and also foreshadows the current crop of B-segment minivans such as the Opel Meriva, Fiat Idea and the Renault Modus.
At its introduction in 1997, it won the Automotive Researchers' and Journalists' Conference Car of the Year award in Japan.
Production of the new Demio started in July 1996 (sold as the 121 outside Japan) used the DW platform. Ford retailed a version in Japan as the Ford Festiva Mini Wagon. In 1998, the Mazda logo was changed from the previous logo to the current logo. The Demio was updated in 1999 with a revised exterior, cabin air filtration, retuned automatic transmission, and available DSC due to a 2002 redesign.
Engines
- 1.3 L B3-ME I4 (1996–1998)
- 1.5 L B5-ME I4 (1996–1998)
- 1.3 L B3E I4, 61 kW (82 hp)/ 108 N·m (80 lb·ft) (1999–2001)
- 1.5 L B5E I4, 74 kW (99 hp)/ 127 N·m (94 lb·ft) (2000–2001)
Production
The original DW model was produced in Mazda's Colombia plant as "Mazda Demio" until the end of 2007, when it was replaced by the DE model.
-
1996–1997 Mazda 121 Metro (Australia; pre-facelift)
-
1999 Mazda 121 Shades Metro (Australia; pre-facelift)
-
1999 Mazda 121 Shades Metro (Australia; pre-facelift)
-
1999–2001 Mazda Demio (Japan; facelift)
Second generation (DY; 2002–2007)
Second generation (DY) | |
---|---|
Overview | |
Also called | Mazda 2 |
Production | 2002–2007 |
Assembly |
Japan Valencia, Spain (Ford Spain) |
Body and chassis | |
Body style | 5-door hatchback |
Layout | Front-engine, front-wheel-drive or four-wheel-drive[citation needed] |
Platform | Mazda DY platform |
Related |
Ford Fiesta Ford Fusion |
Powertrain | |
Engine |
1.3 L ZJ-VE I4 (petrol) 1.5 L ZY-VE I4 (petrol) 1.25 L MZI C2 I4 (petrol) 1.4 L MZI C4 I4 (petrol) 1.6 L MZI C6 I4 (petrol) 1.4 L I4 MZ-CDTi (diesel) |
Transmission |
5-speed manual 4-speed automatic |
Dimensions | |
Wheelbase | 2,490 mm (98.0 in) |
Length | 3,925 mm (154.5 in) |
Width | 1,680 mm (66.1 in) |
Height | 1,530 mm (60.2 in) |
Curb weight | 1,080 kg (2,381 lb) |
The Demio was redesigned in 2002 on the DY platform. The Demio name continued in Japan, while the rest of the world dropped 121 and other names in favor of Mazda 2. Since debut, 2 has been well received by the market pushing its Japanese domestic sale to as high as 7th place.
The badge-engineered Ford version, the Ford Fusion, is no longer made, as Ford began importing the Ford Fiesta on the Global Ford B3 platform which is based[citation needed] on Mazda's DY platform.[citation needed] The car is produced for Europe at a Ford plant in Valencia, Spain.[citation needed]
All Demios come with ABS and EBD, and stability control is optional. An innovative feature offered in Japan is e-4WD, a hybrid car-type system which uses an electric motor to power the rear wheels of this front wheel drive vehicle when needed. In the Demio, this system is used only as a traction aid, not for increased fuel economy as in most other vehicles.
Three trim levels were available in Japan, each targeted by Mazda at a different demographic:
- Cozy for single women with special paint colors and an optional canvas sunroof
- SPORT is for young men
- Casual focuses on young families
In Europe, trim levels were S, TS and TS2. The TS and TS2 were renamed Antares and Capella in 2004. The Japanese 1.3 and 1.5 petrol engines are not available, but Ford's 1.25-litre 16 valve Sigma engine is used, and Mazda's 1.4 (in engine block is pressed Ford Motor CO) and 1.6 petrol, plus Fords 1.4 TDCi diesel are offered, but called 1.4 CDTi by Mazda. (Virtually all the engine parts are interchangeable with the 1.4 Diesel versions of the Ford Fiesta and Ford Fusion of the same period).
The Mazda 2 is sold with a variety of Z-family engines:
Mazda Demio:
- 1.3 L ZJ-VE I4 91 PS (67 kW; 90 hp) at 6000 rpm, 12.6 kg·m (124 N·m; 91 lb·ft) at 3500 rpm
- 1.5 L ZY-VE I4 113 PS (83 kW; 111 hp) at 6000 rpm, 14.3 kg·m (140 N·m; 103 lb·ft) at 4000 rpm
Mazda 2:
- 1.25 L MZI C2 70 PS (51 kW; 69 hp) at 5700 rpm, 110 N·m (81 lbf·ft) at 3500 rpm
- 1.4 L MZI C4 80 PS (59 kW; 79 hp) at 5700 rpm, 124 N·m (91 lbf·ft) at 3500 rpm
- 1.6 L MZI C6 100 PS (74 kW; 99 hp) at 6000 rpm, 146 N·m (108 lbf·ft) at 4000 rpm
- 1.4 L MZ-CDTi Diesel 68 PS (50 kW; 67 hp) at 4000 rpm, 160 N·m (120 lbf·ft) at 2000 rpm
In 2004 Mazda introduced the Verisa in Japan. The Verisa is based on the Demio but targeted further upmarket. This version of the Mazda 2 takes 108mm PCD, four-stud wheels, the same as the Ford Fiesta, Fusion and Escort, though with a slightly different offset.[citation needed]
-
2005–2007 Mazda 2 (DY Series 2) Genki hatchback (Australia)
-
2005–2007 Mazda 2 (DY Series 2) Genki hatchback (Australia)
Third generation (DE; 2007–present)
Third generation (DE) | |
---|---|
Overview | |
Also called |
Mazda 2 Mazda 2 Jinxiang |
Production | 2007–present |
Assembly |
Hiroshima, Japan (Hiroshima Plant) Hofu, Japan (Hofu Plant) Nanjing, China Rayong, Thailand (AAT, 2009–) Bogotá, Colombia (CCA) Tehran, Iran (Bahman, 2011–) Nui Thanh, Quang Nam, Vietnam (Vietnam Motors, 2011–)[2] |
Body and chassis | |
Body style |
3 and 5-door hatchback 4-door sedan |
Layout | Front-engine, front-wheel-drive |
Platform | Mazda DE platform |
Related | Ford Fiesta |
Powertrain | |
Engine |
1.3 L I4 (petrol) 1.5 L I4 (petrol) 1.4 L I4 (diesel) 1.6 L I4 (diesel) |
Transmission |
4-speed manual (4F27E) 5-speed manual CVT automatic |
Dimensions | |
Wheelbase |
2,490 mm (98.0 in) (2007–2010) 2,492 mm (98 in) (2011–) |
Length |
3,885 mm (153.0 in) (hatchback, 2007–2010) 3,895 mm (153.3 in) (Genki) 3,950 mm (156 in) (2011–, hatchback) 4,270 mm (168.1 in) (sedan) |
Width | 1,695 mm (66.7 in) |
Height |
1,475 mm (58.1 in) (hatchback) 1,480 mm (58.3 in) (sedan) |
Curb weight | 1,046 kg (2,306.0 lb) |
Initial release
This version is built on the new DE platform, which Ford also used for the 2008 Ford Fiesta. It deploys light weight material and reduces the overall dimensions of the car.
The vehicle was unveiled in 2007 Geneva Motor Show.[3][4]
The lead designer for the new model was Ikuo Maeda. Maeda was later promoted to Head of Design at Mazda in 2009.[5]
Japanese version
Sales of production vehicles began on 5 July 2007 at Mazda, Mazda Enfini and Autozam dealers.[6]
European version
The vehicle was unveiled in 2007 Geneva Motor Show,[7][8] and later in 2007 Shanghai International Motor Show.[9]
Mazda 2 three-door hatchback (2008-)
This is a three-door hatchback version of Mazda 2 for the European market. Engine choices include MZR 1.3-liter and 1.5- liter gasoline, MZ-CD 1.4-liter common-rail turbo diesel. In some EU Member States like the Netherlands, there is the option to buy the petrol car in bi-fuel LPG version from the factory. This model was unveiled at the 2008 Geneva International Motor Show.[10][11]
North American version
The North American version of the Mazda 2 was unveiled at the 2009 LA Auto Show,[12] and later in 2010 Canadian International Auto Show,[13] making it Mazda's first subcompact in North America since the 323 was discontinued in the United States in 1994 (1995 in Canada).
The North American version became available in July 2010 for a starting price of $13,980 USD. The only engine available is the 1.5-liter, 100-horsepower four-cylinder matched to a 5-speed manual or 4-speed automatic transmission.[14]
The Mazda 2 received a "Good" rating from the Insurance Institute for Highway Safety in frontal crashes, "Acceptable" for side crashes, "Good" for roof strength, and "Acceptable" for rear crash protection.[15]
Chinese version
The Chinese model of the Mazda 2 in five-door hatchback body style was unveiled at the 2007 Guangzhou Motor Show.[16] A Chinese four-door sedan model of the Mazda 2 was unveiled at the same event,[17] with sales beginning in January 2008.[18]
The sedan version is built in Thailand and China and sold in Southeast Asia and Australia, it is not sold in Japan.
-
2007–2009 Mazda 2 Neo 5-door (Australia)
-
2007–2010 Mazda Demio 5-door (Japan)
-
2010 Mazda 2 Neo 5-door (Australia)
-
2011 Mazda 2 1.5 R Sedan (Indonesia)
-
Mazda 2 Sport 3-door Hatchback (Europe)
Engines
Model | Years | Engine type | Power, torque@rpm |
---|---|---|---|
Petrol engines | |||
1.3L (Miller Cycle) | 2007– | 1,349 cc (1 L; 82 cu in) I4 (ZJ-VEM) | 90 PS (66 kW; 89 hp)@6000, 120 N·m (89 lb·ft)@4000 |
1.3L MZR (Low Power) | 2007– | 1,349 cc (1 L; 82 cu in) I4 (ZJ-VE MZR) | 75 PS (55 kW; 74 hp)@6000, 121 N·m (89 lb·ft)@3500 |
1.3L MZR (ZJ-VE) | 2007– | 1,349 cc (1 L; 82 cu in) I4 (ZJ-VE) | 91 PS (67 kW; 90 hp)@6000, 124 N·m (91 lb·ft)@3500 |
1.3L MZR | 2007– | 1,349 cc (1 L; 82 cu in) I4 (ZJ-VE MZR) | 91 PS (67 kW; 90 hp)@6000, 122 N·m (90 lb·ft)@3500 |
1.5L MZR (ZY-VE) | 2007– | 1,498 cc (1 L; 91 cu in) I4 (ZY-VE) | 113 PS (83 kW; 111 hp)@6000, 140 N·m (103 lb·ft)@4000 |
1.5L MZR | 2007– | 1,498 cc (1 L; 91 cu in) I4 (ZY-VE MZR) | 113 PS (83 kW; 111 hp)@6000, 137 N·m (101 lb·ft)@4500 |
Diesel engines | |||
1.4L MZ-CD | 2007– | 1,399 cc (1 L; 85 cu in) I4 turbo (Y4) | 68 PS (50 kW; 67 hp)@4000, 160 N·m (118 lb·ft)@2000 |
1.6L MZ-CD | 2009– | 1,560 cc (2 L; 95 cu in) I4 turbo (Y6) | 90 PS (66 kW; 89 hp)@4000, 212 N·m (156 lb·ft)@1750 |
Transmissions
Transmission choices include a five speed manual, a four speed automatic, a CVT (only available in Japan and Hong Kong) or a CVT with a sport mode featuring seven simulated ratios (only available in Japan).[19][20][21]
Equipment
A digital fuel gauge has been introduced. Stability control will not be standard in the Mazda 2 range but is available (except it is standard on all models in Australia). There are three trim levels available for the new 2 range, the first is known as the Neo which is the base model. It comes standard with air-conditioning and 15-inch steel wheels, though side air bags, 16-inch alloy wheels and a sports body kit come as standard on the range topping Genki.[22]
Production
The vehicles were built in Ujina Plant No.1 (U1) in Hiroshima, with additional Mazda 2 began at the Ujina Plant No.2 (U2) in June 2007.[23] Additional vehicles were built in Hofu, Japan.[24]
Chinese models were built in Changan Ford Mazda Automobile's Nanjing plant at the end of October 2007.[25]
Asia-Pacific region models were produced by AutoAlliance Thailand Co., Ltd. beginning in 2009.[26][27] Mazda 2 local assembly in Vietnam began on 21 October 2011 at Nui Thanh, Quang Nam plant owned by Vina Mazda Automobile Manufacturing Co., Ltd.[28][29]
Sales
A month after sales of Japanese models began 15,000 units were sold, with the top 3 selling models featuring Sunlight Silver Metallic, Metropolitan Grey Mica and Icy Blue Metallic body colours, and Spirited Green Metallic body among the top 5.[30]
Production in Japan reached 100,000 units at the end of January 2008.[31][32]
In August 2010, it is reported that 400,000 units has been sold in Europe, Australia and Japan.[33]
2011 update
Japanese models
Updated models include premium seat upholstery, black meter panel, silver instrument panel garnish, expanded exterior body colors including Burgundy Red Mica, standard trip computer. The 15C (with CVT), 13C-V and 13C (with a four-speed electronically controlled automatic transmission) models include Mazda's eco-lamp. Sport, 15C, 13C-V and 13C (with e-4WD) model grades include new three-point seatbelt and headrest on the second-row center seat as standard equipment. SPORT model includes 16-inch alloy wheels.
The 13-SKYActiv model include the first SkyActiv engine, intelligent-Drive Master (i-DM), CVT transmission, 14-inch alloy wheels, Aquatic Blue Mica exterior body color option, dynamic stability control with brake assist, traction control.
Preorder of the new model began on 9 June 2011,[34][35] with sales of the new model began on 30 June 2011.[36][37]
The Demio 13-SKYACTIV was nominated for Car of The Year Japan 2012.[38]
Demio EV (2012-)
This is a limited (100 leased units) production electric vehicle for Japanese market. It included 346-Volt 20kWh lithium-ion battery with 200 km (124 mi) driving range. Leasing began in October 2012.[39][40]
2011 SEMA concepts (2011)
Turbo2 is a concept car with MAZDASPEED3 MZR 2.3-liter Direct Injection Spark Ignition (DISI) turbo engine, HR coil over suspension kit, Corksport sway bars and customized Brembo front brakes with 13-inch ventilated and slotted rotors, shiny black 17-inch OZ Racing wheels with Yokohama ADVAN Neova 215/40R17 performance tires, Sonic White tri-coat body colour with Brilliant Black on the lower panels, wheel arches, side skirts and lower front fascia; bright green and neon yellow graphics and trim pieces; Katzin black leather seats featuring Baracuda Yellow perforated leather inserts and Sunrise Yellow seat piping, Star West floor mats, AiM Pista MXL digital racing performance and data acquisition display.
3dCarbon Mazda 2 includes 3dCarbon/Air Design body kit manufactured in high-pressure polyurethane injection molding (a front air dam, side skirts, a rear lower diffuser and Mazda 2 Touring-spec upper rear spoiler), Spirited Green Metallic body colour with vinyl graphic design by Sticky Fingers Design, darkly tinted windows, 3M Color Stable Metal-Free Window Film on side and rear windows, front windshield with 3M Crystalline Nanofilm, Eibach Springs Pro-Kit, 18-inch FIVE:AD S6:F Gunmetal wheels with Yokohama S.drive 215/35R18 tires.
The vehicles were unveiled in 2011 SEMA show.[41]
Mazda RE Range Extender (2013)
It is a version of Mazda 2 prototype electric car with 0.33-liter rotary engine, lithium-ion batteries, 75 kW electric motor driving front wheels, 10-litre fuel tank.[42]
Production
Mazda 2 local assembly in Vietnam began on 21 Otober 2011 at Nui Thanh, Quang Nam plant owned by Vina Mazda Automobile Manufacturing Co., Ltd.[43][44]
Successor
Reports of a new generation of the Mazda Demio have emerged in 2013,[45] with graphical renderings published by various internet websites.[46] According to these sources, it will use use a variation of the CX-5 platform and will no longer be related to the Ford Fiesta,[47] after the US manufacturer has sold its shares in the Japanese company.[45] According to the same reports,[48] it will be launched during 2014 and will be manufactured including at the new Mazda plant in Mexico.[49]
See also
Notes
- ↑ The second generation only.
References
- ↑ World Car of the Year Awards, 2008
- ↑ "มาสด้า 2 เปิดไลน์ผลิตใหม่ในเวียตนาม". Manager Online. 2011-10-26. Retrieved 2011-10-26. (Thai)
- ↑ "マツダ、ジュネーブモーターショーに新型『Mazda2』を出品". Mazda.
- ↑ "All-new Mazda2 to Debut at the 2007 Geneva International Motor Show". Mazda.
- ↑ Nik Berg (ed), Elliot Lewis-George (2013). "Mazda Heroes #1 - Ikuo Maeda". Zoom-Zoom Magazine (16): 6. Retrieved 15 May 2013.
- ↑ "Mazda Commences Sales of Fully Redesigned Demio". Mazda.com. Retrieved 2010-10-18.
- ↑ Lavrinc, Damon (2007-02-13). "Geneva Preview: Mazda2 teaser". Autoblog.com. Retrieved 2010-10-18.
- ↑ "All-new Mazda2 to Debut at the 2007 Geneva International Motor Show". Mazda.com. 2007-02-20. Retrieved 2010-10-18.
- ↑ "Mazda to Exhibit Ryuga Concept Car at the 2007 Shanghai International Motor Show". Mazda.com. 2007-03-27. Retrieved 2010-10-18.
- ↑ "New Mazda2 Three-Door Hatchback at the 2008 Geneva International Motor Show". Mazda.
- ↑ "マツダ、ジュネーブモーターショーに新型「Mazda2」 3ドアハッチバックを出品". Mazda.
- ↑ "LA 2009: Mazda unveils North American spec Mazda2 for 2011".
- ↑ "Upgraded North American Mazda2 interior revealed in Toronto, car to launch late summer".
- ↑ "2011 Mazda2 Starting at $13,980 – Details Announced". Automoblog.net.
- ↑ "IIHS-HLDI: Mazda 2". Retrieved 2011-01-08.
- ↑ "All-new Mazda2 and Mazda5 for the Chinese Market on Display at the 2007 Guangzhou Motor Show". Mazda.
- ↑ Neff, John (2007-11-19). "Mazda2 sedan unveiled in China". Autoblog.com. Retrieved 2010-10-18.
- ↑ "Mazda to Showcase All-New Mazda2 Sedan World Premiere at the 2007 Guangzhou Motor Show". Mazda.com. 2007-11-19. Retrieved 2010-10-18.
- ↑ "Mazda Japan official site specifications for Mazda Demio". Demio.mazda.co.jp. Retrieved 2010-10-18.
- ↑ "Mazda Australia official site specifications for Mazda 2". Mazda.com.au. Retrieved 2010-10-18.
- ↑ "Mazda Hong Kong official site specifications for Mazda 2". Mazda2.com.hk. Retrieved 2010-10-18.
- ↑ "two sexy". Wheels magazine: July 2007. 2007. pp. 60–64
- ↑ "All-New Mazda2 Rolls Off Production Line at Ujina Plant No.1". Mazda.com. 2007-05-21. Retrieved 2010-10-18.
- ↑ "Mazda2 Stops at Valencia". Euroautotrends.com. 2006-12-04. Retrieved 2010-10-18.
- ↑ "Mazda to Produce All-New Mazda2 for the Chinese Market at Changan Ford Mazda Automobile Nanjing Plant". Mazda.com. 2007-04-19. Retrieved 2010-10-18.
- ↑ "Mazda Commences Production of Mazda2 at New Passenger Car Plant in Thailand". Mazda.com. Retrieved 2010-10-18.
- ↑ "AutoAlliance Thailand Inaugurates New Passenger Car Plant". Mazda.com. 2009-07-13. Retrieved 2010-10-18.
- ↑ "Mazda2 Local Assembly Begins at New Vietnam Plant". Mazda.
- ↑ "マツダ、ベトナムの新工場で「Mazda2」の現地組立を開始". Mazda.
- ↑ "All-New Mazda Demio Sales Take Off in Japan". Mazda.com. 2007-07-05. Retrieved 2010-10-18.
- ↑ "Mazda Produces 100,000th All-New Demio in Japan". Mazda.
- ↑ "新型「マツダデミオ」、国内累計生産台数10万台を達成". Mazda.
- ↑ Carpenter, Susan (2010-08-12). "2011 Mazda2 is an entry-level blast". Los Angeles Times.
- ↑ "新型「マツダ デミオ」の予約受注を開始". Mazda.
- ↑ "Pre-Orders Start for Facelifted Mazda Demio in Japan". Mazda.
- ↑ "Facelifted Mazda Demio Goes on Sale in Japan - Evolved driving pleasure and best-in-class fuel economy of 30.0 km/L -".
- ↑ "新型「マツダ デミオ」を発売 -「走りの楽しさ」の進化とクラストップの30.0km/L(10・15モード燃費)の低燃費を実現-".
- ↑ [http://integrityexports.com/2011/11/15/car-of-the-year-japan-201 2-top-ten-contenders-announced/ "Car of the Year Japan 2012 Top Ten Contenders Announced"]. Integrity Exports. 2011-11-14. Retrieved 2011-11-14.
- ↑ "Mazda to Lease 'Demio EV' Electric Vehicle in Japan from October". Mazda.
- ↑ "マツダ、電気自動車「デミオEV」のリース販売を10月から開始". Mazda.
- ↑ By Zach Bowman RSS feed. "Mazda MX-5 Miata Spyder and Super 20 Concepts land in Las Vegas". Autoblog.com. Retrieved 2012-09-29.
- ↑ Mazda2 with extended-range hybrid rotary tech shown
- ↑ "Mazda2 Local Assembly Begins at New Vietnam Plant". Mazda.
- ↑ "マツダ、ベトナムの新工場で「Mazda2」の現地組立を開始". Mazda.
- ↑ 45.0 45.1 http://www.automobile-magazine.fr/actualites/scoops/mazda/future_mazda_2
- ↑ http://www.icarreview.com/new-mazda2-for-the-2014-leaked/
- ↑ http://www.carscoops.com/2013/05/report-claims-next-mazda2-will-use.html
- ↑ http://www.carscoops.com/2013/12/next-mazda2-won-be-designed-as-blokes.html
- ↑ http://www.carscoops.com/2011/10/mazda-begins-construction-of-new.html
External links
Wikimedia Commons has media related to Mazda Demio. |
- Official websites for Japan, China (hatchback), China (sedan), UK