What are the best automotive filler and sandable primers?
Discover engaging real-user experiences and tips for quick, effective car repairs with top-rated products.
Automotive filler and sandable primers are key tools for fixing car dents and scratches. They stop rust and create a smooth surface for painting. Many people find them easy to use on wood, metal, and fiberglass. Users praise how these primers dry fast and sand easily for a pro finish.
Real users share that Rust-Oleum 2-in-1 Filler fills small flaws in minutes. One car owner fixed old scratches and got a strong paint base. They feel confident knowing these primers work well on vehicles. We have reviewed top picks to guide you right.
This guide shows the best options like hi-build formulas. You will discover quick ways to prep cars. Read on to find your perfect primer.
List of Top 10 Automotive Filler And Sandable Primers
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Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray, 12 oz, Gray |
This Rust-Oleum spray is perfect for DIY car lovers and hobbyist mechanics who want to fix rusty spots and smooth out bumps on trucks, cars, or boats with easy-to-use filler. It saves time by stopping rust and filling holes before painting, giving a flat, sandable base that dries fast for a pro finish. |
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Rust-Oleum 260510-6PK Automotive 2-in-1 Filler & Sandable Primer Spray, Gray, 12 oz (Pack of 6) |
This Rust-Oleum 2-in-1 Primer is perfect for DIY car owners who want to fix small dents and rust on their vehicles fast. It fits hobby mechanics who work on metal, wood, or fiberglass parts and need a smooth base for paint. |
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Rust-Oleum 260737 Automotive Sandable Primer Spray, 12 oz, White |
This Rust-Oleum sandable primer spray is perfect for DIY car owners who fix up their rides at home. It suits busy weekend mechanics who need a quick rust stopper that sands smooth for a top finish. Spray from any angle. Get pro results fast. |
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Rust-Oleum 260510-2PK Automotive 2-in-1 Filler & Sandable Primer Spray, 12 oz, Gray, 2 Pack |
This primer spray is perfect for car owners who want to smooth out minor rust spots and surface flaws. It’s also great for DIYers working with wood, metal, or fiberglass, needing a fast-drying, rust-resistant base coat. |
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Rust-Oleum 249279 Automotive Filler Primer Spray, 11 oz, Gray |
This filler primer is great for DIY car lovers and auto body hobbyists who want a fast, rust-proof base. It works on metal, wood, and fiberglass and dries in about 10 minutes for easy topcoats. |
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Rust-Oleum 249418 Automotive Sandable Primer Spray, 12 oz, Black |
This sandable primer is perfect for car owners and DIY mechanics who want to prep metal surfaces on vehicles. It works well for anyone fixing rust on trucks or boats with a fast, easy coat. |
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Dupli-Color DAP1700 2-in-1 Hi-Build Filler & Sandable Primer Spray Paint – 12 oz. Aerosol Can |
This primer is perfect for DIYers and pros who want to fix small flaws on metal, fiberglass, or wood. Its hi-build formula helps fill and sand fast, and it dries quickly for a smooth finish. |
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LiME LiNE Sand-able Automotive Primer Surfacer, Direct-to-Metal, High Build 2k Urethane, 1.25 Quart kit, (Light Grey) 4:1 mixture |
Are you looking for a great primer? Do you want to protect your car from weather and rust? This easy-to-use primer is perfect for you. |
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Dupli-Color FP101 Scratch Filler Primer, Gray – 11 oz. Aerosol Can |
Got scratches? Want a smooth finish? Dupli-Color Scratch Filler Primer is perfect for anyone who wants to fix up their car with ease. It fills imperfections and gets your surface ready for a flawless paint job. |
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CAR SYSTEM 125.580 2-in-1 Filler & Sandable Primer Spray, 13.5 oz, Gray |
This 2-in-1 filler and primer spray is perfect for DIY car owners who fix small scratches and dents on metal or fiberglass. It’s great for woodworkers who smooth out marks before painting. |
Detailed Reviews
Discover the top 10 Automotive Filler And Sandable Primers we picked using expert analysis and customer feedback. Each one gets a full review to show its key features, how it performs, and its total value. Trust our in-depth guide to help you pick the best primer for your car projects. Read on to find the right product that fits your style and budget.
1. Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray, 12 oz, Gray

This is a 2-in-1 filler and sandable primer spray. It works on wood, metal, and fiberglass. It primes and smooths the surface.
The Stops Rust formula helps resist rust on vehicles. It covers up to 10 sq ft and dries to touch in about 10 minutes.
Its hi-build formula fills small dents and sands smooth. The advanced spray system sprays from any angle with a comfortable tip and finger pad.
| Pros | Cons |
|---|---|
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Perfect For:
This Rust-Oleum spray is perfect for DIY car lovers and hobbyist mechanics who want to fix rusty spots and smooth out bumps on trucks, cars, or boats with easy-to-use filler. It saves time by stopping rust and filling holes before painting, giving a flat, sandable base that dries fast for a pro finish.
Ready to Purchase?
2. Rust-Oleum 260510-6PK Automotive 2-in-1 Filler & Sandable Primer Spray, Gray, 12 oz (Pack of 6)

Rust-Oleum 2-in-1 Filler & Sandable Primer works on wood, metal, and fiberglass. This oil-based spray stops rust and saves time on cars and trucks. It covers up to 10 square feet and dries in just 10 minutes.
The filler hides small surface flaws and sands smooth. It gives a strong base for your top coat with a flat finish.
| Pros | Cons |
|---|---|
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Perfect For:
This Rust-Oleum 2-in-1 Primer is perfect for DIY car owners who want to fix small dents and rust on their vehicles fast. It fits hobby mechanics who work on metal, wood, or fiberglass parts and need a smooth base for paint.
Ready to Purchase?
3. Rust-Oleum 260737 Automotive Sandable Primer Spray, 12 oz, White

Rust-Oleum Automotive Sandable Primer Spray in white is perfect for your car projects. It works as an all-purpose base coat. The fast drying formula saves you time.
This 12 oz can has a Stops Rust formula to protect metal. You can spray at any angle with the comfort tip.
It sands smooth for a great finish. Use it on cars or metal parts. Get yours now for easy prep work.
| Pros | Cons |
|---|---|
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Perfect For:
This Rust-Oleum sandable primer spray is perfect for DIY car owners who fix up their rides at home. It suits busy weekend mechanics who need a quick rust stopper that sands smooth for a top finish. Spray from any angle. Get pro results fast.
Ready to Purchase?
4. Rust-Oleum 260510-2PK Automotive 2-in-1 Filler & Sandable Primer Spray, 12 oz, Gray, 2 Pack

Rust-Oleum offers this automotive primer spray in a handy 2-pack. It works as a filler and sandable primer for wood, metal, and fiberglass. Buy it now to get that smooth, rust-free base for your vehicles.
This oil-based formula stops rust and saves you time. It covers up to 10 square feet per can.
The flat finish lets you sand it smooth. It also sticks well to top coats.
Fill minor scratches with ease. Recroat in just 10 minutes after drying.
| Pros | Cons |
|---|---|
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Perfect For:
This primer spray is perfect for car owners who want to smooth out minor rust spots and surface flaws. It’s also great for DIYers working with wood, metal, or fiberglass, needing a fast-drying, rust-resistant base coat.
Ready to Purchase?
5. Rust-Oleum 249279 Automotive Filler Primer Spray, 11 oz, Gray

This is Rust-Oleum 249279 Automotive Filler Primer Spray. The color is gray. It works on wood, metal and fiberglass.
It’s a filler primer with a Stops Rust formula. It dries to the touch in about 10 minutes. It fills small flaws and can be recoated.
The flat finish accepts topcoats with strong adhesion. It uses an any-angle spray you can use in any direction, even upside down.
| Pros | Cons |
|---|---|
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Perfect For:
This filler primer is great for DIY car lovers and auto body hobbyists who want a fast, rust-proof base. It works on metal, wood, and fiberglass and dries in about 10 minutes for easy topcoats.
Ready to Purchase?
6. Rust-Oleum 249418 Automotive Sandable Primer Spray, 12 oz, Black

Need a smooth base for your auto project? The Rust-Oleum Automotive Sandable Primer is your answer.
This primer works great on metal, wood, and fiberglass. It dries fast so you can recoat quickly. Plus, it sands easily for a super smooth finish.
It creates a rust-resistant base. It helps your top coat stick better. Get ready for a long-lasting finish!
| Pros | Cons |
|---|---|
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Perfect For:
This sandable primer is perfect for car owners and DIY mechanics who want to prep metal surfaces on vehicles. It works well for anyone fixing rust on trucks or boats with a fast, easy coat.
Ready to Purchase?
7. Dupli-Color DAP1700 2-in-1 Hi-Build Filler & Sandable Primer Spray Paint – 12 oz. Aerosol Can

Get ready to transform your projects with Dupli-Color 2-in-1 Hi-Build Filler & Sandable Primer! This spray paint primer is easy to use and gives great results.
It fills in small flaws fast. The primer dries quickly. You can use it on many surfaces.
| Pros | Cons |
|---|---|
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Perfect For:
This primer is perfect for DIYers and pros who want to fix small flaws on metal, fiberglass, or wood. Its hi-build formula helps fill and sand fast, and it dries quickly for a smooth finish.
Ready to Purchase?
8. LiME LiNE Sand-able Automotive Primer Surfacer, Direct-to-Metal, High Build 2k Urethane, 1.25 Quart kit, (Light Grey) 4:1 mixture

The LiME LiNE Sand-able Automotive Primer Surfacer is a direct-to-metal product that gives cars a strong base. It offers exceptional weather and corrosion resistance for lasting protection.
You can use this high build 2k urethane primer right on bare metal. It mixes in a 4:1 ratio for easy application. The light grey color sands smooth and holds up well.
Get your 1.25 quart kit today to start fixing cars with confidence. This product shows how tough it really is.
| Pros | Cons |
|---|---|
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Perfect For:
Are you looking for a great primer? Do you want to protect your car from weather and rust? This easy-to-use primer is perfect for you.
Ready to Purchase?
9. Dupli-Color FP101 Scratch Filler Primer, Gray – 11 oz. Aerosol Can

The Dupli-Color FP101 Scratch Filler Primer is a gray spray paint made for cars. It fills deep scratches and small dents on your vehicle.
This primer sands easy and dries fast. It helps new paint stick better. It works on metal, fiberglass, or wood.
| Pros | Cons |
|---|---|
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Perfect For:
Got scratches? Want a smooth finish? Dupli-Color Scratch Filler Primer is perfect for anyone who wants to fix up their car with ease. It fills imperfections and gets your surface ready for a flawless paint job.
Ready to Purchase?
10. CAR SYSTEM 125.580 2-in-1 Filler & Sandable Primer Spray, 13.5 oz, Gray

This 2-in-1 filler and sandable primer spray fixes small flaws on wood, metal, and fiberglass surfaces. It evens out scratches, sanding marks, and small holes in one step.
It dries fast in just 10 minutes. You can cover up to 10 square feet. The advanced spray system lets you spray at any angle.
Get a smooth base for your paint job. This hi-build formula sands smooth for a great finish.
| Pros | Cons |
|---|---|
|
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Perfect For:
This 2-in-1 filler and primer spray is perfect for DIY car owners who fix small scratches and dents on metal or fiberglass. It’s great for woodworkers who smooth out marks before painting.
Ready to Purchase?
Buying Guide
Fix car dents and scratches with ease. These primers stop rust and make painting simple.
Real users love the quick fixes. One car owner fixed old scratches in minutes. They got a strong paint base and felt confident.
- Material Compatibility: These primers work on wood, metal, and fiberglass. They stick well to most car surfaces.
- Rust Protection: Formulas like Stops Rust guard against metal decay. They keep vehicles safe from damage.
- Drying Time: Most dry to touch in about 10 minutes. Fast dry lets you keep working without long waits.
- Build and Sandability: Hi-build types fill small dents and sand smooth. They create even surfaces for a pro finish.
- Ease of Application: Advanced spray systems work from any angle. Comfort tips make them easy for beginners.
- Coverage Area: A 12 oz can covers up to 10 square feet. Good coverage means less product waste.
- Packaging Options: Buy singles, packs, or kits for your needs. Options include aerosols, quart sets, and multi-packs.
- Adhesion and Finish: Flat finishes accept top coats well. They bond strong for long-lasting results.