A warranty has a time limit (5 years, 50,000 miles, etc.). A guarantee is an assurance that something will happen as promised. The terms are often used interchangeably in conversation and in advertisements. They also have very distinct meanings in certain professions, such as law, real estate, and insurance, all of which leads to confusion. In general, however, wa
I basically agree with Vcory Ong. I think of "guarantee" as a general concept, and "warranty" as the physical implementation of that concept (a document, contract, etc.) But I'm not a native speaker either, that's what I learned.