The biggest differences between the 5.3 and 6.2 GM engines

General Motors made V8s with 5.3-liter and 6.2-liter displacements. While they're under the same brand name, there are a few ...
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People Are Suing GM Over Its Defective 6.2-Liter L87 V8 Engine

11 lawsuits over GM’s 6.2L L87 V8 have been consolidated into a single class action, centered on engine failures tied to crankshaft and connecting-rod defects. More than 700,000 GM trucks and SUVs ...