page_title: Chevrolet Kodiak
section_title: Third generation (2003–2010)
hierarchical_section_title: Chevrolet Kodiak / Third generation (2003–2010)
caption_attribution_description: English: A GMC C5500 diesel crew cab belonging to the LIRR.
context_page_description: The Chevrolet Kodiak and GMC TopKick are a range of medium duty trucks that were produced by the Chevrolet and GMC divisions of General Motors from 1980 to 2009. Introduced as a variant of the medium-duty C/K truck line, three generations were produced. Slotted between the C/K trucks and the GMC Brigadier Class 8 conventional, the Kodiak/TopKick were developed as a basis for vocationally-oriented trucks, including cargo haulers, dump trucks, and similar vehicles; on later generations, both cutaway and cowled-chassis variants were produced for bus use.
  Following years of declining market share, General Motors sought to exit heavy-truck manufacturing. After struggling to enter joint ventures or sell the rights to its product line, the company ended production of the Kodiak and TopKick in 2009. The final medium-duty truck, a GMC TopKick 5500, rolled out of Flint Truck Assembly on July 31, 2009.
  For the 2019 model year, after a ten-year hiatus, General Motors re-entered the conventional medium-duty truck segment. Developed in a joint venture with Navistar International, the Chevrolet Silverado 4500/5500 is a Class 4-6 vehicle.
context_section_description: For 2003, General Motors released the third-generation Chevrolet Kodiak/GMC TopKick under the GMT560 architecture. As General Motors felt the two names had better marketplace recognition, the medium-duty truck line was released under the previous Kodiak/TopKick nameplates, with Cx500 as a secondary part of the nomenclature. Showcased as part of the redesign was a change in the design layout of the Kodiak/TopKick. To better compete with the better-selling International DuraStar and Freightliner Business Class M2 medium-duty truck ranges, the GMT560 trucks switched to a vertically-oriented cab configuration to allow for a lower cab floor, increased cab space, and better entry and exit. Derived from the Chevrolet Express/GMC Savana full-size van, the cab was produced in two-door and four-door configurations (as the commercial trucks had a GVWR of over 8500 pounds, they were produced without airbags).
  During its production, the GMT560 was produced with few changes. With the exception of grilles, Kodiaks and TopKicks are nearly identical; depending on trim, versions are produced with either two or four headlights. Carried over from the previous generation, the GMT560 chassis was produced in Class 5-7 configurations, in C4500, C5500, C6500, and C7500 models. Effectively, a successor to the GMC Brigadier, a tandem-axle C8500 model was introduced (with up to a 46,000-lb GVWR).
  On the GMT560 Kodiak/TopKick, the powertrain configuration was derived from the model specification. On C4500/C5500s, an 8.1L V8 was carried over from the previous generation, with a 6.6L Duramax V8 diesel replacing the Caterpillar 3116. Diesel engines were standard on C6500s and up, with the 7.8L Duramax LG4 inline-6 as standard, with a 7.2L Caterpillar C7 (a redesigned Caterpillar 3126) offered as an option.
caption: GMC TopKick C5500 crew cab utility vehicle
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