Best Answer: When you talk car paint, you can talk about gallons of paint, or sprayable gallons. You'll be adding an activator (hardener) to the paint, as well as a reducer. Figure about $275 for a gallon of paint, with the reducer and activator, which will make 1.5 - 1.75 sprayable gallons depending on mix ratio (they vary by manufacturer). Clear should be a bit less, but around the same price.
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A gallon of white base coat is going to cost about $100.00 and a gallon of the premium red is well over $500.00 Urethane Clear coat sells from $45.00 to $300.00/gal or more for the high solid European clears.
http://carpaint.blogspot.com/2006/09/how-much-does-all-this-cost.html
Do-it-yourself auto painting is possible, but it can be time-consuming and exacting work. Supplies can cost $100-$1,500, depending on the quality of paint ($100-$1,000) and the need to purchase tools like an automotive paint sprayer ($40-$600) or sander and sandpaper ($40-$250). Mopar Muscle Magazine explains how to paint a car .
http://cars.costhelper.com/auto-painting.html
CostHelper readers report paying $1,000-$1,800 for a mid-quality paint job, at an average cost of $1,316; most are happy with the results. A showroom-quality custom or specialty auto paint job can cost $2,500-$20,000 or more, depending on the make, model and condition of the vehicle, the location, and what is included.
http://cars.costhelper.com/auto-painting.html
You will want a spray can of self-etching primer for the bare spots. Lets say $9.00 maybe a spray can of adhesion promoter to help paint stick to those problem plastics say $12.00 per spray can. You will probably need some bondo (generic name for polyester body filler) $10.00 to $20.00 /gallon.
http://carpaint.blogspot.com/2006/09/how-much-does-all-this-cost.html
Where I work at Allen Paint we sell a paint kit that has 3 quarts of color 2 quarts of reducer a gallon of clear the hardener for the clear and we throw in a couple of rolls of tape and a couple of sheets of sandpaper for $189.95. We can't make all the colors for that price but we can make about 12,000 colors.
http://carpaint.blogspot.com/2006/09/how-much-does-all-this-cost.html
This may vary depending on the quality and type of paint, but generally a gallon of interior paint will cover about 300 sq ft, given two coats. That’s enough for a small room, maybe 5x8. An average 10x12 room is going to take at least 2 gallons if you aren’t too liberal with it. 175 sf to 200 sf.
https://www.quora.com/How-much-does-a-gallon-of-paint-cover-assuming-2-coats-were-applied
How much does a gallon of paint cost? The average cost of paint will range anywhere from $20 to as much as $100 per gallon. According to Home Depot, paint designed for concrete, basements, and the garage floor are going to vary from $30 to $300. For example, Sure Step 1 Gallon Clear Acrylic runs around $30 per gallon.
https://www.howmuchisit.org/gallon-of-paint-cost/
Exterior paint ranges anywhere from $30 to $100. The Insl-X series, for instance, can be as much as $50+. Paint used for marina-related items or your pool can range anywhere from $30 to $75. For example, a gallon of Insl-X Black paint is $40 a gallon.
https://www.howmuchisit.org/gallon-of-paint-cost/
This may vary depending on the quality and type of paint, but generally a gallon of interior paint will cover about 300 sq ft, given two coats. That’s enough for a small room, maybe 5x8. An average 10x12 room is going to take at least 2 gallons if you aren’t too liberal with it. Views · Answer requested by Quora User.
https://www.quora.com/How-much-does-a-gallon-of-paint-cover-assuming-2-coats-were-applied
how much does a gallon of auto paint cost
A gallon of auto paint cost $275. The cost of a auto paint is $275 per gallon.  