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General Motors Delta platform

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Delta is a General Motors compact front-wheel-drive automobile and crossover SUV platform, originally developed by Opel Group. It was a successor to the Opel T platform; it also replaced J platform and the Z platform used by the Saturn S-Series. The platform debuted in the 2003 Saturn Ion. Vehicles of this platform generally carry the letter "A" in the fourth character of their VINs.

Delta generally uses an independent suspension on the front and twist-beam type on the rear. The Ecotec engine is widely used, as are 4- and 6-speed automatic and 5-speed manual transmissions.

DeltaEdit

ApplicationsEdit

Former vehicles based on this platform:

  • Saturn Ion -- 07-09-2009.jpg

    Saturn Ion

  • Chevrolet Cobalt LT sedan.jpg

    Chevrolet Cobalt

  • Pontiac G5 coupe.jpg

    Pontiac G5/G4/Pursuit coupe

  • 2007ChevroletHHR-001.jpg

    Chevrolet HHR

Delta IIEdit

Template:More citations needed {{ safesubst:#invoke:Unsubst||date=__DATE__ |$B= Template:Ambox }} Delta II was General Motors' global compact car platform, developed by Opel in Germany. It was the successor to the GM Delta platform. Internally, it is simply known as a new Global Compact Vehicle Architecture or GCV.

The platform features a torsion beam (marketed as compound crank) rear suspension with optional Watt's linkage which improves vehicle handling; such configuration is used with the Opel Astra, Buick Verano, Cadillac ELR, Opel Cascada, and higher trim-levels of the American-market Chevrolet Cruze.

This suspension is usually described as semi-independent, meaning that the two wheels can move relative to each other, but their motion is still somewhat inter-linked, to a greater extent than in a true independent rear suspension (IRS). This can mildly compromise the handling and ride quality of the vehicle. For this reason, some manufacturers have changed to different linkage designs. As an example, Volkswagen dropped the torsion beam in favour of a true IRS for the Volkswagen Golf Mk5, possibly in response to the Ford Focus's Control Blade rear suspension.

As noted, certain GM brands and models have continued to use the suspension setup, known variously as twist beam, torsion beam, or compound crank suspension. This is at a cost saving of €100 per car compared to multi-link rear suspension.<ref name="astra-suspension">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The version used on the 2009–2015 Opel Astra and the 2011–2016 Buick Verano uses a Watt's linkage at a cost of €20 to address the drawbacks and provide a competitive and cost-effective rear suspension.<ref name="astra-suspension"/> The Renault Mégane and Citroen C4 also have stayed with the twist beam.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The twist beam has been shown to suffer less from bushing wear than a fully independent multi-link suspension, thus resulting in a virtually maintenance-free rear suspension.

GM chose this compact vehicle architecture for its first Voltec application, the Chevrolet Volt. Production began in November 2010 with the first examples delivered to retail customers in December 2010.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

ApplicationsEdit

Production vehicles based on Delta II platform:

  • 2008–2016 Chevrolet Cruze, Daewoo Lacetti Premiere, Holden Cruze<ref>{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

  • Chevrolet Cruze J300 sedan China 2012-04-14.jpg

    Chevrolet Cruze

  • 20100731 daewoo lacetti premiere 01.jpg

    Daewoo Lacetti Premiere

  • 2009-2010 Holden Cruze (JG) CDX sedan (2018-08-20).jpg

    Holden Cruze

  • Opel Astra Design Edition (J) – Frontansicht (1), 14. August 2011, Heiligenhaus.jpg

    Opel Astra J

  • 2012 Buick Verano -- 04-30-2012.JPG

    Buick Verano

  • Buick Excelle XT 01 China 2012-04-29.JPG

    Buick Excelle XT

  • Buick Excelle GT 01 China 2012-05-20.JPG

    Buick Excelle GT

  • 2012 Vauxhall Astra SE Turbo 1.4 Front.jpg

    Vauxhall Astra Mk6

  • DCA 06 2012 Chevy Volt 4035.JPG

    Chevrolet Volt (first generation)

  • 2015 Holden Astra (PJ) GTC hatchback (2018-03-28) 01.jpg

    Holden Astra

  • 2012 Holden Volt (EV MY13) hatchback (26273290082).jpg

    Holden Volt

  • Opel Zafira Tourer 1.4 Turbo ecoFLEX Edition (C) – Frontansicht, 15. September 2012, Düsseldorf.jpg

    Opel Zafira C

  • 2014 Vauxhall Zafira Tourer SRi CDTi Automatic 2.0 Front.jpg

    Vauxhall Zafira Mk3

  • Opel Ampera ePionier Edition – Frontansicht, 9. Juli 2012, Heiligenhaus.jpg

    Opel Ampera

  • 2014 Vauxhall Ampera Positiv CVT 1.4 Front.jpg

    Vauxhall Ampera

  • Chevrolet Orlando LTZ 1.8 – Frontansicht, 16. April 2011, Hilden.jpg

    Chevrolet Orlando

  • Opel Meriva B front 20100723.jpg

    Opel Meriva B

  • 2011 Vauxhall Mervia SE 1.4 Front.jpg

    Vauxhall Meriva B

  • 2014 Cadillac ELR delivery Dec 2013 (1).jpg

    Cadillac ELR

  • Opel Cascada 1.6 EDIT Innovation – Frontansicht, 23. März 2014, Düsseldorf.jpg

    Opel Cascada

  • 2014 Vauxhall Cascada SE CDTi 2.0.jpg

    Vauxhall Cascada

  • Buick Cascada (16282443827).jpg

    Buick Cascada

  • 2017 Holden Cascada (CJ MY17) convertible (2018-11-26).jpg

    Holden Cascada

  • Chevrolet Cavalier CN 01 China 2017-03-28.jpg

    Chevrolet Cavalier

D2XX/D2UXEdit

General Motors introduced its new global platform named D2XX flexible platform in August 2012. The new platform was mainly engineered by GM's former German subsidiary Opel in Rüsselsheim.<ref>CNBCTemplate:Dead link</ref> According to GM, the company invested US$220 million for the all-new D2XX platform.Template:Citation needed

The platform was developed for compact vehicle architecture, replacing both Delta II and the midsize crossover GM Theta platform.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Vehicles that use the new platform included:

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  • 2017 Chevrolet Cruze LT front 5.26.18.jpg

    Chevrolet Cruze

  • 2018 Holden Astra (BL) LS sedan (2018-05-02) 01.jpg

    Holden Astra Sedan

  • Opel Astra 1.6 CDTI ecoFLEX Edition (K) – Frontansicht, 13. Oktober 2015, Düsseldorf.jpg

    Opel Astra K

  • 2017 Vauxhall Astra Design 1.4 Front.jpg

    Vauxhall Astra Mk7

  • 2016 Holden Astra (BK) RSV hatchback (2018-10-22) 01.jpg

    Holden Astra Hatchback

  • Buick Verano II hatch GS 01 China 2016-03-28.jpg

    Buick Verano GS

  • Chevrolet Volt WAS 2017 1739.jpg

    Chevrolet Volt (second generation)

  • Buick Velite 5.jpg

    Buick Velite 5

  • Chevrolet Equinox III facelift 001.jpg

    Chevrolet Equinox

  • 2018 Holden Equinox (EQ) LS wagon (2018-11-29) 01.jpg

    Holden Equinox

  • 2017 GMC Terrain SLE front 3.25.18.jpg

    GMC Terrain

  • Chevrolet Orlando II 005.jpg

    Chevrolet Orlando

GM-PATAC KEdit

In 2015, Pan Asia Technical Automotive Center (PATAC), GM's joint development center with SAIC, revealed their own simplified variant of D2XX, known as the "GM-PATAC K" platform (rather than "K" so as to distinguish it from the former GM K platforms).<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The following vehicles use this variant of the platform, none of which are sold in the United States:

  • 2018 Buick Excelle GT front.jpg

    Buick Excelle GT

  • 2016 Chevrolet Cavalier, front 8.13.18.jpg

    Chevrolet Cavalier

  • Chevrolet Monza IMG001.jpg

    Chevrolet Monza

  • Buick GL6 2 China 2018-03-20.jpg

    Buick GL6

ReferencesEdit

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External linksEdit

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Template:General Motors platforms

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