question bout rendering

i cant seem to get the paint change down that good i was hoping that someone would plz explain to me how to change colors and make them look good like this

when i change the color their not bad but it doesnt look like most good rendering you see heres a pic of what mine looks like


any help would be great thnx

that first one the front view is way oversaturated on the red and you dont want that

its best to duplicate the layer of the body and use the image adjustments to change color like hue saturation and brightness contrast and then you just delete the parts u dont need from the body that way you dont lose any of the bodylines like u would with color layers

also the quality of the photo you are using puts a factor on the outcome of the color change!

you can try playing with the levels to help try to correct some saturation issues!