even for a long time chevrolet Truck fans may not be clear on the precise definition of lingo such as square-bodied and OBS Chevy. This is because there is some variation in the meaning of this jargon. But fear not, I did a deep dive on all the things OBS Chevy can stand for so you don’t have to. Read on to find out all about OBS Chevy trucks.
What is a Chevy OBS?
OBS Chevy generally refers to the generation of Chevrolet/GMC pickup trucks built between 1988 and 1998. Personally, I always believed the acronym stood for “old body style.” Other automotive journalists write that it stands for “original body style”. The difference may be regional, and it means the same thing anyway.
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While fans of Dodge and Ford trucks refer to the undefined earlier generations of their trucks as “old body style” or OBS, nearly all GM fans refer to the first chassis to bear the Sierra nameplate as OBS (1988-99). This may be why some GMC truck owners say that OBS stands for “Original Body Style.”
What year Chevy is OBS?
Chevrolet replaced the “Rounded Line” pickup (often called the square-body Chevy) with its new C/K pickup in 1988. It continued to build this generation, also called the OBS Chevy, until 1998.
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The OBS Chevy features more rounded lines than its predecessor because it was the first aerodynamically influenced truck on the market. General Motors had an internal code for the 1988 to 1998 generation of its Chevrolet C/K and GMC Sierra. The automaker named this chassis the GMT 400. OBS Chevy is obviously a slang term that truck fans have embraced.
Referring to any generation of trucks as the “old body style” obviously becomes problematic as successive new generations emerge. Who knows, maybe in a few decades someone will call a 2023 Chevrolet Silverado an OBS Chevy. But for now, the consensus is that an OBS Chevy is the GMT400.
With independent front suspension and fuel injection, these OBS Chevy trucks trucks They are prized for their modern driving characteristics combined with vintage good looks. See how an OBS Chevy stacks up against a modern Silverado in the video below:
When did Chevy stop making OBS?
The last generation of Chevrolet C/K trucks, often called Chevy OBS, ran from 1988 to 1998. In 1999, Chevrolet introduced the first generation Silverado (which confusedly coincided with the second generation Silverado). gmc Sierra), replacing the Chevy OBS.
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The 1999 GMC Sierra/Chevrolet Silverado featured much more rounded lines than its predecessor. Its sloping headlights make it instantly recognizable. This new generation is often referred to as the GMT800.
What engines were in the OBS Chevys?
You can order an OBS Chevy pickup with a range of engines. The base model came with a 4.3-liter V6. Its V8 gasoline options ranged from 5.0 liters to 7.4 liters. General Motors also offered a naturally aspirated, turbocharged diesel V8.
Watch a die-hard fan explain why you should buy a used OBS Chevy Silverado pickup today in the video below:
Are Chevy OBS Reliable?
If you’re used to working on modern cars, you might prefer an OBS Chevy to an older generation. That’s because it was the first generation of GM trucks to exclusively use modern technologies like fuel injection and independent suspension, even in its 4×4 trucks. He even did away with the locking hubs so he could shift to 4×4 from the cab.
If you’re used to carburetors and solid front axles, the OBS Chevy could be a pain to work on. Every old vehicle will have some mechanical problems. And it’s important to remember that a 1988 Chevy OBS is over forty years old. But they have a reputation for being reliable.
Common complaints against the OBS Chevy include poor-quality interior plastics, paint that fades in the sun, small brake rotors, and heavy rust in certain climates, according to motor trend.
Below, read everything you need to know about Chevy square-body trucks, or learn more about OBS Chevy trucks in the video below:
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