A "bumper warranty" means that a product is guaranteed to be fixed or replaced for free if it stops working within a certain period of time. It provides extra protection and reassurance to buyers. Full definition
I requested a 100,000 mile extended bumper to bumper warranty as I was no longer confident in the vehicle. (edmunds.com)
I did get the bumper to bumper warranty for 100,000 miles over the 50,000. (carsdesk.com)
The bumper - to - bumper warranty covers five - years or 60,000 miles (whatever comes sooner), and the powertrain is covered for a staggering 10 - years or 100,000 miles. (carbuzz.com)