Engineering:GM Fiat Small platform

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Short description: Automobile platform


GM Fiat Small platform
Fiat Punto 1.4 8V Start&Stopp Pop (III, 2. Facelift) – Frontansicht, 30. Juli 2012, Düsseldorf.jpg
Overview
ManufacturerGeneral Motors
Fiat Group
Production2005–present
Body and chassis
ClassSubcompact car
LayoutFront-engine, front-wheel drive / four-wheel drive
Chronology
PredecessorFiat B-platform
GM4200 platform
SuccessorPSA EMP1 platform

The Small Platform[1] or SCCS platform (Small Common Components and Systems platform), was developed by Fiat for subcompact, front wheel drive, four wheel drive cars and some Opel models like the Opel Corsa. It was first used on the Fiat Grande Punto, which was unveiled in 2005. Vehicles based on this platform are assembled in Italy, Germany, Spain, Serbia, Turkey and Russia.

Specification

Developed from 2002 in Turin, Italy, by Ulrich Schmalohr the engineer head of Opel (which at the time was a subsidiary of General Motors; now owned by Stellantis) and Giorgio Cornacchia head-project of Fiat Auto[2] the Small platform was designed to be adaptable for Fiat Group and General Motors small cars, and later was adopt by Chrysler vehicles as well. All components are totally new, and were made to be adaptable to more types of vehicles (including hatchback, sedan, crossover, SUV and MPV). The frame makes heavy use of high-strength steel. In the first version of the platform the front suspension uses MacPherson struts, while at the rear it has a semi-independent strut with torsion beam (except on the Fiat Doblò, which has bi-link rear suspension).

The platform offers compact transverse engine at the front with front-wheel drive, but it also supports four-wheel drive (4WD). It was designed to be suitable for a wide range of applications, from basic ones to sportier vehicles like the Alfa Romeo MiTo,[3] Abarth Grande Punto/Punto Evo and Opel's OPC versions. The 4WD version of the platform underpins the Jeep Renegade [4] and the Fiat 500X,[5] both assembled at Fiat's Melfi plant.

The Small platform has a wheelbase of 2,511 mm (98.9 in) in the standard version, which is used on the Fiat Punto (199), Opel Corsa D, Alfa Romeo MiTo and the LAV vehicles built by Tofaş: Fiat Fiorino and Qubo, Citroën Nemo and Peugeot Bipper.

Long wheelbase version

The long wheelbase version is adopted by the Fiat Linea sedan models, Fiat Doblò (with related twin Opel Combo D) and the recent Fiat 500L.[6][7] Thanks to the interchangeable modules the basic platform is suitable for vehicles of differing lengths up to 4.74 metres (15.6 ft) (Fiat Doblò Maxi[8]).

The first vehicle built on the LWB platform was the Fiat Linea, with a wheelbase of 2,603 mm (102.5 in). At the end of 2009 Fiat re-engineered the LWB platform with a new bi-link independent rear suspension for the new Doblò[9] (second generation, and related Opel Combo D). The LWB platform of the Doblò has a wheelbase of 2,760 mm (108.7 in) for the standard version and 3,110 mm (122.4 in) for the Maxi (extra long) version.

A wide range of engines have been combined to this platform. Petrol units include the two-cylinder 0.9 L Fiat TwinAir, the three-cylinder 1.0 L GM Family 0 and SGE, the four-cylinder 1.2 L and 1.4 L Fiat FIRE, including the FIRE Multiair units and bivalent CNG variants , 1.2 and 1.4 L GM Family 0 and 1.6 L GM Family 1. Diesel units include 1.3 L, 1.6 L and 1.9 L Fiat Multijet units and the 1.7 L Isuzu Circle L engine. Chrysler-derived 2.0L and 2.4L TigerShark engines have also been adapted for vehicles in more recent applications - potentially supporting the 2.0L turbocharged, unified Fiat Chrysler "Hurricane" motor.

Vehicles based on Small platform

References

  1. ↑ "The new product plan Fiat and the three italian platform". Borsaitaliana.it.reuters.com. 2009-02-09. http://borsaitaliana.it.reuters.com/article/businessNews/idITMIE63K0JR20100421. 
  2. ↑ "Fiat-General Motors insieme nelle utilitarie". Archiviostorico.corriere.it. 2009-12-24. http://archiviostorico.corriere.it/2002/febbraio/08/Fiat_General_Motors_insieme_nelle_co_0_0202087834.shtml. 
  3. ↑ "Alfa Romeo MiTo based on the same platform of Grande Punto". Omniauto.it. 2003-12-15. http://www.omniauto.it/magazine/5569/alfa-romeo-mito. 
  4. ↑ "First Italy-built Jeep has GM platform roots". sae.org. 2014. http://articles.sae.org/12880/. 
  5. ↑ "2016 Fiat 500X: The Jeep Renegade's Brother By the Same Mother". caranddriver.com. 2014. http://www.caranddriver.com/news/2016-fiat-500x-photos-and-info-news. 
  6. ↑ Lienert, Paul (2012-02-02). "First Fiat 500L Photos Released". edmunds.com. http://www.edmunds.com/auto-shows/geneva/2012/first-fiat-500l-photos-released-2012-geneva-auto-show.html. 
  7. ↑ Zach Bowman. "Fiat 500L, MPV version of 500". Autoblog.com. http://www.autoblog.com/2012/02/02/fiat-500l-previewed-ahead-of-geneva-motor-show/. 
  8. ↑ "Fiat Doblò Cargo Maxi". Parkers.co.uk. 2011-11-03. http://www.parkers.co.uk/vans/news-and-advice/2011/october/fiat-doblo-cargo-maxi-sx-road-test/. 
  9. ↑ "Fiat Doblç specification" (PDF). http://fiatdoblocargo.com/pdf/11_12__Doblo_EN.pdf. [yes|permanent dead link|dead link}}]
  10. ↑ Bremner, Richard (2012-12-21). "Opel Adam First Drive". Edmunds (US). http://www.edmunds.com/car-reviews/features/2013-opel-adam-first-drive.html. 
  11. ↑ Eisenstein, Paul (2016-05-17). "Small is Big as Jeep Unveils New Renegade". The Detroit Bureau (US). http://www.thedetroitbureau.com/2014/03/small-is-big-as-jeep-unveils-new-renegade/. 
  12. ↑ "The new Compass is based on a stretched version of the Renegade platform". http://www.autoblog.com/2016/09/26/2017-jeep-compass-debut-official/. 




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