Thinking about undercoating your car this winter? We break down the benefits, drawbacks, costs, and who actually needs the extra protection. Undercoating protects cars from rust by preventing moisture ...

We may receive a commission on purchases made from links. You might think that an aftermarket undercoating is redundant and unnecessary since new cars already come with rustproofing and corrosion ...

I think there is one feature of undercoating you didn’t mention. Undercoating can be used to reduce road noise. For that reason I undercoated my ’08 Accord, including the wheel wells front and rear.