This is true in cases where the manufacturer offers 5 year warranty with option to extend. We did just this recently ourselves and bought an 18 month old car. W

This is true in cases where the manufacturer offers 5 year warranty with option to extend. We did just this recently ourselves and bought an 18 month old car. We still have a solid 3 years of factory warranty and can extend for an additional two if we so choose. Some manufacturers only offer 3 years though with no option to extend so the value proposition is not nearly as good IMO if you're buying a vehicle with only a year left on the warranty.