Why doesn't my bumper match my car's paint?

Why new cars often have mismatched bumpers

Stand back from almost any car in good light and compare the bumper to the fender beside it. Often they're not quite the same. That's not always a sign of a past repair.

The reason is simple: most bumpers are painted at a different facility from the body. The body and the bumper are painted separately and then put together, so small differences can be there from day one.

Brands known for bumper paint mismatch

Some makes are worse than others. Robert singles out Nissan as one where the bumpers often don't match the body.

That changes what a good repair means. If a painter mixes the factory formula exactly and sprays it on your bumper, the result can match the paint code and still not match your car, because your car's body never matched the code perfectly either. The target is the paint on your car, not the number on the door sticker.

Why a paint code is only a starting point

Most modern cars have a paint code, usually on a label in the door jamb or under the hood. It names the color, but a single code can have several slightly different formulas, because the factory color itself varies from batch to batch and plant to plant.

Paint also changes with age. Years of sun can shift a color a little, so a perfect match to the car as it left the factory may not be a match to the car in your driveway.

How Robert matches: code, formula, test, camera

Robert mixes paint on site from an AkzoNobel automotive refinish system, using formula software that updates regularly. His process works in steps, and he only moves to the next step when he needs to:

• Paint code. He starts with your car's code and enters it into his paint program.
• Preferred formula. The software offers the formula other painters prefer most. He mixes that.
• Test. He checks the mix against your car before it goes on the bumper.
• Color camera. If the test isn't right, he scans the car with a color camera to create a custom formula for that car.
• Tint. He adjusts the mix until it matches your paint, including on cars where the factory bumper never matched.

Why he doesn't blend into the fenders

Blending means fading new paint into the neighboring panels, such as the fender or quarter panel, so the eye doesn't catch a hard line where the color changes. It's a common way to hide a near-miss.

Robert doesn't blend into neighboring panels. He spends the extra time getting the color right so it isn't needed, which keeps the repair to the damaged part and leaves the rest of your factory paint alone.

Tri-coats and exotic colors

Tri-coat colors, such as many pearl whites and some deep reds, are built in three layers, which makes them harder to match. Robert treats them as tricky but doable with careful tinting.

The one category he generally steers away from is exotic custom and one-off colors, the kind found on some Lamborghinis and Ferraris. Many of those are custom one-off colors that are difficult to match.

Getting your bumper color matched

Text Robert a photo of the damaged bumper with your year, make and model. If you know the paint code, add it, but it isn't required. Photos in daylight with the car dry help him see the color as well as the damage (photo tips).

More on the service itself is on the bumper painting and color matching page.