QUESTION $1$

What is a primary difference between a warranty and a service contract when buying a vehicle?

There is no difference between the two, the terms can be used interchangeably.

A warranty is included in the price of the car when you buy it; a service contract is an add$-$on cost$.$

A warranty guarantees parts of a car, a service contract guarantees the labor to fix the vehicle.

A warranty can be purchased for $5+$ years of serivce, whereas a service contract generally only lasts for $3-5$ years