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After exploring an incredibly huge number of articles and reviews by our intelligent AI & Machine Learning platforms; and deep processing, breakdown and rectification by our experienced hi-technology gurus, the golden shortlist for the Best Automotive Primers (2021) is finally assembled.

The ultimate guide on Best Automotive Primers produced using Deep Learning and Artificial Intelligence technology

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In order to find the Best Automotive Primers (2021), our brilliant platforms and experts have taken many parameters into account such as product fitness for use, features that meet buyers needs and give buyer satisfaction, freedom from deficiencies or defects, conformance of standards, worthiness-for-money, robustness, level of design standards, quality conformance to needs and good practises, safety, real buyer satisfaction and many others. It is worth to mention that each user has different requirements so please use the list below as a guideline and not as a gospel. Nevertheless, in the ranking below you can certainly find the overall best ones despite your requirements.

Our powerful platforms and dedicated hi-technology gurus work hard to provide you with the best product options. We feel that our review analysis can help you simplify your purchase decision and choose among the truly Best Automotive Primers (2021).

Best Automotive Primers

Best Choice No. 1
Best Choice No. 2
PAINTSCRATCH 2 Oz. Automotive Primer with Brush in Bottle
  • Fast drying primer for metal or non-metal surfaces.
  • Easy to use in a brush cap bottle.
  • Primer is also great for filling in small imperfections in the surface.
Best Choice No. 3
Custom Shop Premium Gray Self Etching Primer, 1 Gallon – Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass – Use on Automotive Car Parts, OEM Industrial Coating
  • 1 Gallon (3.8 Liters) Can of GRAY – Custom Shop Premium Self-Etching Acid Etch Primer. Gray primer color. It etches and primes bare, rust-free metal in just one step.
  • Premium Self-Etching Acid Etch Primer is a ready-to-spray, self-etching primer with tremendous adhesion and flexibility properties. It provides excellent adhesion to the following properly prepared substrates: steel, aluminum, fiberglass, previously painted surfaces, wood, and some plastics.
  • It’s a super primer with anti-corrosive properties, which makes it ideal for use over bare metals such as aluminum and steel. It’s a perfect primer for fleet and OEM manufacturers.
  • This coating is fast drying and is sandable after 60 minutes. It also improves color holdout, gloss retention and has excellent inter-coat adhesion.
  • Ideal for use on properly prepared truck beds before the application of truck bed liner coatings. This primer works excellent under all major brands of truck bed liner coatings like Custom Coat, UPOL Raptor, and Gator Guard.
Best Choice No. 4
Custom Shop – Gray Epoxy Primer/Sealer 2.1 VOC (Gallon Kit) Anti-Corrosive DTM High-Performance Primer for Automotive and Industrial use Kit = 2 Qt. Epoxy Primer + 2 Qt. Epoxy Hardener (1-1 Mix)
  • Custom Shop – KEP Series Anti-Corrosive Epoxy Primer / Sealer is a 1 to 1 Mix Ratio high performance primer specifically designed to be used  DTM (Direct to Metal).  KEP Series Primer contains an advanced resin technology system that offers superior adhesion to Bare Metal, Steel, Bare Aluminum, Fiberglass, Gelcoat. Body Fillers and most properly prepared Rigid Plastics and sanded OEM Finishes.
  • KEP Epoxy Primer is Lead and Chromate Free and its formulation contains a rich blend of Anti-Corrosive additives to achieve maximum defense against rust and corrosion. It also offers excellent salt spray resistance and is a fast dry product.
  • Custom Shop – KEP Series Epoxy Primer is great as a DTM primer but also can be used as an excellent sealer for all single stage Urethane and Basecoat Clearcoat.  If used as a sealer add 1/2 part of XR70 or UR70 reducer, topcoat or basecoat can be applied in 30 minutes. Using KEP allows for excellent topcoat gloss holdout.
  • Available in Gray, Black and White in 1 quart kits, 2 quart kits, gallon kits and 2 gallon kits. Great for Automotive and Industrial applications. KEP is compatible with and can be top coated with most Automotive Paint brands like Custom Shop, Restoration Shop, PPG, House of Kolor, Valspar, etc.
  • Lays down super smooth with an Easy ( 1 part to 1 part ) Mixing Ratio allows for more precise mixing, no induction time needed before application.  Pot life is 4 hours once mixed. Custom Shop – KEP Series Anti-Corrosive Epoxy Primer is a  2.1 VOC lbs/gallon product that can be used coast to coast.
Best Choice No. 5
SEM High-Build Automotive Primer Surfacer | White Filling Primer for Steel, Aluminum, Urethane, Fiberglass and Plastic Surfaces | Made in the USA | 2-Pack
  • White auto primer provides superior adhesion
  • Acrylic coasting that can be used as a steel, aluminum, urethane, fiberglass or plastic primer
  • Filler primer is easy to sand with a 320-400 grit sandpaper
  • Apply 2-3 medium coats of SEM High Build Automotive Primer
  • Dry Time for the primer paint for cars: 1 hour
SaleBest Choice No. 6
Custom Coat 1K High Build Primer – Giant 16 Ounce spray Can – Grey – for Automotive and Industrial Use – Easy Sanding and Direct to Metal
  • Custom Coat 1K High Build Primer – Grey – Extra Large 16 ounce Spray Can – provides a High Build Primer Surfacer that is a flexible acrylic surfacer for priming steel, aluminum, fiberglass, SMC, and urethane painted surfaces in an Easy to use aerosol spray can.
  • Provides superior adhesion, Excellent filling properties, Works on flexible or rigid substrates
  • Easy to sand, Topcoat with most Automotive Paint refinish topcoats
  • Flat fan high atomization nozzle offers a large fan pattern and excellent coverage
  • Versatile: Automotive High Build primer that can be applied over many sustrates
SaleBest Choice No. 7
Rust-Oleum 2081830-6PK Stops Rust Automotive Primer, 6 Pack, Light Gray, 6 Pack
  • Primer spray paint is suitable for use on wood, metal and fiberglass surfaces
  • Oil-based paint with Stops Rust formula provides rust resistant base coat for cars, trucks and other vehicles
  • Covers up to 12 sq. ft. and dries to handle (and can be recoated) in 15 minutes
  • High quality spray paint ensures long lasting, durable coating
  • Flat finish provides superior adhesion and works with any topcoat
Best Choice No. 8
TRANSTAR 6001 Universal Primer – 1 Gallon
  • Case Quantity – 2.
  • Item Weight – 9. 250 lbs..
  • Great Gift Idea.
  • Satisfaction Ensured.
  • Item Weight – 9. 250 lbs..
Best Choice No. 9
Rust-Oleum 2089830-6PK Stops Rust Automotive Primer, 6 Pack, Dark Gray, 6 Pack
  • Primer spray paint is suitable for use on wood, metal and fiberglass surfaces
  • Oil-based paint with Stops Rust formula provides rust resistant base coat for cars, trucks and other vehicles
  • Covers up to 12 sq. ft. and dries to handle (and can be recoated) in 15 minutes
  • High quality spray paint ensures long lasting, durable coating
  • Flat finish provides superior adhesion and works with any topcoat
Best Choice No. 10
Custom Shop Premium High Build Acrylic Lacquer Primer Surfacer, 1 Gallon – Fast Filling, Drying, Easy Sanding, Excellent Adhesion – Apply Over Metal Steel, Body Filler Putties, Automotive Industrial
  • 1 Gallon (3.8 Liters) Can of Custom Shop Premium High Build 2.1 VOC Acrylic Lacquer Primer Surfacer. Gray primer color. Mix Ratio is 1 to 1 with RSP XR Reducers for 2.1 VOC California Compliance or RSP LT70 Lacquer Thinner for National Rule Compliance.
  • High Build 2.1 VOC Acrylic Lacquer Primer Surfacer is a premium, lead-free primer surfacer that provides outstanding build for fast filling without shrinkage when used as directed. It can be easily sanded, wet or dry, to a fine feather-edge and offers excellent adhesion and color holdout.
  • It provides excellent adhesion over properly prepared substrates: metal, steel, aluminum, fiberglass, previously painted surfaces, epoxy, and self-etch primers, body filler, glazing putties, and more. It’s an ideal primer for automotive vehicles, fleet, industrial products, and OEM manufacturers.
  • Restoration Shop and Custom Shop have been providing innovative Premium Quality products you can trust in the Automotive Paint Industry since 1974. Our products are proudly Made in the U.S.A., and we formulate, manufacture, and distribute our products throughout the USA, unlike many competitors.
  • Our superior coating products only use the highest quality ingredients, which allows our customers to consistently achieve high-quality professional results on their Painting Projects!

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